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Danville Signal
Part-Time Bookkeeping Position
Danville Signal is hiring!
Are you proud of your ability to keep the finances of a busy manufacturing company organized? Do you enjoy solving a lot of different tasks on a given day? Ready to bring your skills to a local company that could use someone to take charge?
Danville Signal is an electronics manufacturing company located in Cannon Falls that specializes in building solutions for audio applications using digital signal processing or DSP. One of our high-end audio solution examples of digital signal processing is a DSP crossover, an electronic board used in manufacturing recording studio monitors. These monitors are used by some of the famous musicians and artists you know by name. We do most of our work in high-end audio, but we also build solutions for air traffic control, acoustics, vibration and other signal processing applications. It sounds cool (and we think it is), but at the core of it all is a simple, embedded electronics board. And that's what we build.
We are looking for a bookkeeper to join our team. We envision this position starting at 20 to 25 hours per week, but honestly there is a lot of room for growth here. We can see the potential for it to grow to more hours or stay static to meet your availability. We also have the flexibility for you to have control over your schedule. As long as tasks are completed in a timely manner, we are flexible with the days and times that you will come to work as long as you are consistently reaching the targeted hours and production for the week. We know that we can teach you to do the work we need to accomplish on any given week. The question is more if you would be challenged by and enjoy working in the front office of a manufacturing company. We run our business on the flexibility model; so that means everyone steps up to do what needs to be done to meet our production goals. It's about serving our customers while also creating a solid working environment for our team members too. We partner across the board to create a win-win situation for all of us.
You would enjoy this position if you like a lot of variety in your daily tasks. We have receivables, payables and inventory to manage, build, track, bill and receive. Given the current purchasing challenges, we are also tracking all of our outstanding POs with our vendors carefully, to ensure parts are in-house to keep our SMT line up and running. Shipments are coordinated with our customers to arrive as needed. Our products also ship internationally, so we also may have export docs to file. We use the AccountEdge software program, which is similar to QuickBooks but with better inventory management capabilities. Being comfortable on a computer is key to this job. Being comfortable with change, learning new things, and being willing to try even as you make mistakes (and we all do), are also good traits to have and will help make this work fun for you.
We offer competitive pay and pride ourselves in having an upbeat, casual work environment. We have a great team of hard-working individuals who will help in giving you the resources you need to succeed in your role.
Tasks might include:
- Entering payable invoices from our vendors
- Creating and/or editing parts lists in accounting for our products
- Completing Inventory builds as production is completed
- Creating invoices to ship product based off customer POs
- Receiving and processing incoming POs from our customers
- Other general front office activities
We hire to these core values:
- Initiative: The ability to assess and initiate action independently.
- Adaptability: The ability to adapt to new conditions.
- Flexibility: The willingness to change or compromise.
- Taking Responsibility: The state of being responsible, answerable or accountable for something within one’s power or control. We own our successes and mistakes.
- Treating People as Adults: Trusting people to complete assigned tasks in the best way.
- Strong Work Ethic: Believing in the value of a job well done and stepping up
We believe in fair compensation and offer a flexible, casual work environment. If the work above looks like something you would enjoy and the environment feels like a place where you could learn, grow and thrive, we hope you'll apply.
To be considered for this position, please submit a resume with your email to the attention of Lori Ann Clark at
In your email, please share with us which of our core values is most important to you and why. Applications will be accepted until filled. We do intend to start interviews with candidates immediately, as we hope to bring our new hire on board as soon as possible
Part-Time Manufacturing Floater
Danville Signal is hiring!
Do you like to build stuff? Interested in how electronics work? Does working in a small yet flexible company seem like a good fit for you?
Danville Signal is an electronics manufacturing company located in Cannon Falls that specializes in building solutions for audio applications using digital signal processing or DSP. One of our high-end audio solution examples of digital signal processing is a DSP crossover, an electronic board used in manufacturing recording studio monitors. These monitors are used by some of the famous musicians and artists you know by name. We do most of our work in high-end audio, but we also build solutions for air traffic control, acoustics, vibration and other signal processing applications. It sounds cool (and we think it is), but at the core of it all is a simple, embedded electronics board. And that's what we build.
We are looking for manufacturing floater/test technician to join our team. We envision this part-time position starting at 20 to 25 hours per week. We can see the potential for it to grow to more hours or stay static to meet your availability. We also have the flexibility for you to have control over your schedule. As long as tasks are completed in a timely manner, we are flexible with the days and times that you will come to work as long as you are consistently reaching the targeted hours and production for the week. We know that we can teach you to do the work we need to accomplish on any given week. The question is more if you would be challenged by and enjoy working in a manufacturing setting. We run our business on the flexibility model; so that means everyone steps up to do what needs to be done to meet our production goals. It's about serving our customers while also creating a solid working environment for our team members too. We partner across the board to create a win-win situation for all of us.
You would enjoy this position if you like a lot of variety in your work, as this position is meant to support the key activities in our manufacturing: purchasing & kitting parts, running the SMT machines that build our boards, test & programming boards to ensure they'll work as designed, and final prep for shipping. Some days you might work in several departments at once while other days you may spend a week or more focused in one area. Being comfortable on a computer is key to this job. Being comfortable with change, learning new things, and being willing to try even as you make mistakes (and we all do), are also good traits to have and will help make this work fun for you.
We offer competitive pay and pride ourselves in having an upbeat, casual work environment. We have a great team of hard-working individuals who will help in giving you the resources you need to succeed in your role.
Tasks might include:
- Final hardware assembling of boards
- Board testing to ensure all circuits work
- Board programming with customer's software
- Coding failed units for rework
- Product packing & labeling
- Clean and organize final inventory shelves
We hire to these core values:
- Initiative: The ability to assess and initiate action independently.
- Adaptability: The ability to adapt to new conditions.
- Flexibility: The willingness to change or compromise.
- Taking Responsibility: The state of being responsible, answerable or accountable for something within one’s power or control. We own our successes and mistakes.
- Treating People as Adults: Trusting people to complete assigned tasks in the best way.
- Strong Work Ethic: Believing in the value of a job well done and stepping up
We believe in fair compensation and offer a flexible, casual work environment. If the work above looks like something you would enjoy and the environment feels like a place where you could learn, grow and thrive, we hope you'll apply.
To be considered for this position, please submit a resume with your email to the attention of Lori Ann Clark at
In your email, please share with us which of our core values is most important to you and why. Applications will be accepted until filled. We do intend to start interviews with candidates immediately, as we hope to bring our new hire on board as soon as possible
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Conflict Minerals
Danville Signal is and has been actively reviewing our supply chain for any issues regarding "conflict minerals". "Conflict Minerals" are defined by "Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act, as well as California Senate Bill 861" as natural resources or parts within supply chain as provided by our vendors.
"Conflict materials" are defined as using materials from the Democratic Republic of the Congo or any adjoining countries (“DRC Countries”) in the manufacture of their products.
"Conflict Minerals" include:
1) columbite-tantalite, also known as coltan (the metal ore from which tantalum is extracted);
2) cassiterite (the metal ore from which tin is extracted);
3) gold;
4) wolframite (the metal ore from which tungsten is extracted);
5) their derivatives; or
6) any other mineral or its derivatives determined by the Secretary of State to be financing conflict in the DRC Countries.
Danville Signal makes every effort to constantly audit our supply chain to assure our customers that our products contain no conflict materials.
Trademarks
dspSoM, dspblok, dspstak, dspCrossover, dspMusik, dspBootloader, dspInstrument, Snowbird, GreyWolf, Bluebill, dspNexus and dspFlash are trademarks of Danville Signal Processing, Inc.
VisualDSP++, CrossCore Embedded Studio, and SHARC are trademarks of Analog Devices, Inc.
Audio Weaver is a trademark of DSP Concepts. LLC
Windows XP, Windows 7, Windows 8, Windows 10, and Vista are trademarks of Microsoft Corporation
Privacy Policy
We are Danville Signal Processing, Inc. of 29687 82nd Avenue Way, Cannon Falls, MN 55009. Our Data Protection Officer is Lori Ann Clark, contactable via
This notice is to inform you about how we collect and protect any personal information you provide to us, how you can control what personal information we collect from you, and what we do with it. It sets out how we intend to use your information, who we will share it with, and what rights you have about use of your information.
This notice applies however you provide personal information to us — whether you go online to our website (danvillesignal.com), engage in business & development activities, contact us via social media, visit our events, email or chat with us, or enter into promotional contests with us.
Welcome to Danville Signal Processing, Inc. (the "Site").
We understand that privacy online is important to users of our Site, especially when conducting business. This statement governs our privacy policies with respect to those users of the Site ("Visitors") who visit without transacting business and Visitors who register to transact business on the Site and make use of the various services (collectively, "Services") ("Authorized Customers").
"Personally Identifiable Information" refers to any information that identifies or can be used to identify, contact, or locate the person to whom such information pertains, including, but not limited to, name, address, phone number, fax number, email address, and credit card information. Personally Identifiable Information does not include information that is collected anonymously (that is, without identification of the individual user) or demographic information not connected to an identified individual.
What Personally Identifiable Information is collected?
We may collect basic user profile information from all of our Visitors, because you have given it to us. We collect the following additional information from our Authorized Customers: the names, phone numbers and email addresses of Authorized Customers.
With whom may the information may be shared?
Personally Identifiable Information collected on this site will be shared only with employees within the Site company. Your information is not sold or leased to any 3rd party vendors.
How is Personally Identifiable Information stored?
Personally Identifiable Information collected by the Site is securely stored offline and is not accessible to third parties or employees of the Site except for use as indicated above.
What choices are available to Visitors regarding collection, use and distribution of the information?
Visitors and Authorized Customers may opt out of receiving unsolicited information from or being contacted by us and/or our vendors and affiliated agencies by responding to emails as instructed, or by contacting us.
Are Cookies Used on the Site?
Danville Signal uses Google Analytics which is one of the most widespread and trusted analytics solution on the web for helping us to understand how you use the site and ways that we can improve your experience. These cookies may track things such as how long you spend on the site and the pages that you visit so we can continue to produce engaging content. Aside from this Danville Signal does not use cookies or write any information onto your hard drive aside from the cached data that your browser writes to your temporary internet files folder. You can prevent the setting of cookies by adjusting the settings on your browser (see your browser Help for how to do this). Be aware that disabling cookies will affect the functionality of this and many other websites that you visit. Disabling cookies will usually result in also disabling certain functionality and features of this site. Therefore it is recommended that you do not disable cookies. Hopefully that has clarified things for you and as was previously mentioned if there is something that you aren't sure whether you need or not it's usually safer to leave cookies enabled in case it does interact with one of the features you use on our site.
How does the Site use login information?
The Site uses login information, including, but not limited to, IP addresses, ISPs, and browser types, to analyze trends, administer the Site, track a user's movement and use, and gather broad demographic information.
How does the Site keep Personally Identifiable Information secure?
All of our employees are familiar with our security policy and practices. The Personally Identifiable Information of our Visitors and Authorized Customers is only accessible to a limited number of qualified employees who are given a password in order to gain access to the information. We audit our security systems and processes on a regular basis. Sensitive information, such as credit card numbers, is protected by encryption protocols, in place to protect information sent over the Internet.
How can Visitors correct any inaccuracies in Personally Identifiable Information?
Visitors and Authorized Customers may contact us to update Personally Identifiable Information about them or to correct any inaccuracies by contacting us. Do not send sensitive information via email.
What happens if the Privacy Policy Changes?
We will let our Visitors and Authorized Customers know about changes to our privacy policy by posting such changes on the Site.
Links: This web site contains links to other web sites. Please note that when you click on one of these links, you are moving to another web site. We encourage you to read the privacy statements of these linked sites as their privacy policies may differ from ours.
If you have any questions about your privacy rights at our website, please contact us.
Purchasing and Payment Terms
Danville Signal accepts purchase orders from creditworthy businesses, federal agencies and institutions upon approved credit.
If you do not request to open a credit account, we will assume you will prepay via credit card, wire or PayPal prior to shipping. All international orders are prepaid prior to shipping.
Upon approved credit, Danville Signal's terms of payment are net 30 days payable from the date of the invoice. Danville Signal reserves the right to charge the buyer one and one half percent (1.5%) per month (maximum eighteen percent (18%) APR) for all invoices outstanding for more than 30 days.
Danville Signal also reserves the right to charge the buyer any such reasonable costs that are incurred in the collection of the overdue account and any legal fees that are incurred thereby.
Delivery Schedules
All delivery times offered by Danville Signal are to be treated as best estimates and no penalty can be accepted for non compliance with them. The standard estimation of delivery terms is the delivery schedule quoted or 4 weeks or less from acceptance of order or resolution of any technical issues, whichever is the later.
RoHS compliance requirements need to be indicated at the time of quote acceptance (if not earlier). We require documentation on file for those customers who are excempt from RoHS requirements prior to shipment. In addition, U.S. Customs requirements necessitate an End User Statement to be provided for any international order requiring a SED (Shipper's Export Declaration) form to be filed.
Delivery shall be made by Danville Signal using a courier service of its choice, which is typically UPS, DHL, or FedEx unless the buyer's account information is provided. If multiple shipments are requested by the buyer, multiple delivery charges will be made. In the case of multiple deliveries, each delivery will be billed on a separate invoice.
Hi! Thanks for joining us here. We look forward to getting to know you better.
Obviously, there are lots of ways to start this conversation, so pick the one that works best for you. We are happy to connect via phone, Skype, Zoom, or email. Our normal hours are from M-F 9:00 - 5:00 US Central Time (UTC-6), but we work with teams worldwide, so we can find a time that fits your schedule as well.
If you'd like to speed up the process, completing the form below will help us all. Use it to initiate a product conversation, ask a support question, or start an RMA process. We will route your message to someone who can help you best.
We'd also like to invite you to join our email list. We are not big senders, you can always opt-out, and we can ensure you that we will never share/sell our list to others. This will get you an occasional newsletter and invitations to upcoming real-time webinars in your areas of interest.
Phone: +1-507-263-5854
Skype: danvillesignal (send a connection request, not realtime)
General Email: dsp@danvillesignal.com
Designed and Manufactured in Minnesota
Founded in 1998, Danville Signal has always designed products that combine Analog Devices DSPs and analog circuit design techniques to create audio products. Today, we manufacture all of our products in our own automated electronics factory outside of Minneapolis, MN, USA.
We work hard to develop long-term relationships with our customers and appreciate the opportunity to develop a mutually satisfying partnership with you as well. Give us a call, let’s start a conversation about how Danville Signal can provide the platform for your next design!
Ancient History
Danville Signal was founded by Al Clark. Al has a 45-year history designing audio products using analog design skills and 30 years of DSP experience, which is actually a fairly rare combination of skills. A 2014 study using LinkedIn data suggested there were only 11 people that have the requisite skills.
It started with learning how to critically listen to sound systems in the mid-1970s. This is an essential ingredient for anyone designing high-performance audio; if you can't hear what's wrong with your designs, they probably won't get remarkably better.
In 1975, while still a junior in college majoring in electrical engineering, Al invented three phono preamplifier topologies. The best of these was the split passive phono preamplifier, which was patented. It was the basis of a high-end preamplifier manufactured in 1976.
In the late 1980s, the first generation of DSP chips became available and this started Al's journey into DSP products.
The photo is of young Al Clark from Minnesota Monthly Magazine, September 1979.
Our History
Danville Signal may have started as essentially a company of one but of course, we have grown over the last 20 years. Today, we have an engineering team, a marketing department, in-house manufacturing and operations people that were built upon the founder's skills and background.
In our early days, Danville products were often aimed at voice or CD-quality audio applications, instrumentation, and other embedded targets. During this time, we created a lot of board solutions that made it much easier for other designers to build their own specialized systems.
We became SHARC floating-point DSP experts. In fact, Danville's founder—Al Clark has designed more SHARC based boards than anyone else in the world. Second place goes to Danville's senior engineer, Emilson Enrique, who has participated in over 95% of these same designs. Disagree? Send us your resume, we'd love to compare and chat about your work.
For the last dozen years or so, we have concentrated on high-performance audio solutions using DSP techniques. We would have started much sooner, but frankly, the technology needed to catch up.
Manufacturing
Danville has always manufactured its products in Minnesota. In 2013, we brought manufacturing in-house with the creation of our own electronics factory. Today, we have three pick and place machines, selective soldering, and a complete manufacturing team. We maintain a large stock of critical components.
The advantage of having our own local facility is that it allows us to adjust schedules as needed, makes customization of existing designs practical, and lets us integrate engineering, manufacturing, testing, and quality control in a seamless, tightly controlled environment. Our OEM customers rely on us to develop and produce high-quality products in a timely manner. We take this responsibility very seriously. After all, high-quality audio solutions wouldn't be possible without a specialized team dedicated to product development, testing, and perfection in our craft.
Danville Signal Processing, Inc.
Headquarters:
Danville Signal Processing, Inc.
29687 82nd Ave Way
Cannon Falls, MN 55009
Phone: +1-507-263-5854
Our normal hours are from M-F 9:00 - 5:00 US Central Time (UTC-6).
Manufacturing Location:
Danville Signal
1101 N 4th Street
Cannon Falls, MN 55009
Note: Please request an RMA for any warranty repairs and return them to this location.
Phone: +1-507-263-0500
General Emails:
We're always available for a Skype or Zoom conversation. Just get in touch and we can setup a time to talk.
Skype: danvillesignal (send a connection request please)
Zoom: we can setup group meetings, as needed
We look forward to talking to you about your next project!
They keep us safe by managing the air traffic in our skies. At any given time, there are a lot of airplanes in the sky, which in turn means there are a lot of conversations going on between pilots and air traffic controllers. As you can imagine, the underlying radio communication system that supports all of these conversations is also large and complex.
OK, so what's the problem?
Well, it turns out that sometimes inadvertent test tones get connected directly to the air traffic controller's headset. These test tones originate from ringing out circuits by both internal and external support technicians and sometimes, other natural causes. They aren't supposed to happen but they do. As it turns out, these tones are often very loud; loud enough to cause pain in some cases and at the very least, present a serious distraction to someone managing air traffic. In the most extreme cases, it can cause hearing damage.
Over the years, there have been a few approaches to address this problem.
- Pretend it does not happen
- Try to limit the maximum level to something less than full-scale pain
- Automatically identify and effectively eliminate the tone or tones using DSP
Danville's very first product starting in 1998 was a 24-channel system that used DSP processing to address this issue.
It all started with a phone call... Meet Frank Hurlbut
Frank was the Alaska Region Frequency Management Officer for the FAA. He had a national reputation as a great troubleshooter and was often sent to other regions to sort out problems that had plagued other facilities. He had many hobbies and interests, but probably none more than amateur radio. Like most things Frank did, he excelled in this space as well.
So one day Al Clark, Danville's founder, got a call. At the time, Al was the chief engineer and co-founder of another company that led the market in ham radio noise reduction products. These products notched out heterodynes, tones that naturally occur when two radios are transmitting at frequencies close together. Al had written a special DSP algorithm that worked very well for this application. Frank had connected the dots....
The call went something like this: “Hi, I'm from the FAA and we have a problem." He went on to explain their problem and its similarity to the ham radio solution. The algorithm was ideal for both!
This spawned what became the DSP-8200a, a 24-channel system that notches tones. Al owned the rights to the algorithm and it launched Danville Signal. DSP-8200b and DSP-8200c units have been running in Anchorage 24/7 since 1998.
Tragically, Frank died at a young age of a brain aneurysm in 2008.
In 1998, DSP technology wasn't really good enough for high-performance audio. We still needed better ADCs, DACs and DSPs to be effective.
However, DSP technology worked well for telecommunications applications.
The DSP-8200a and DSP-8200b were essentially the same product with different connectors. The Alaska FAA region was the only customer. These versions were replaced by the DSP-8200d, which added support for Ground-to-Ground communications. Ground-to-Ground required signaling tones, so the solution changed a little in this application. A number of U.S. airports have adopted this version.
After these systems were developed, the Australian Airservices wanted a smaller, more local solution as opposed to the more centralized multichannel DSP-8200b,c, or d approach. This led to a major update in the DSP-8200 family.
DSP technology had grown considerably since the 1990s. The original 16 bit fixed point DSP processor was replaced by a much more powerful 32-bit floating-point SHARC DSP that offered ways to improve the performance.
The enhanced DSP technology is represented in two current products: the DSP-8200s2, a standalone 2 channel solution, and the DSP-8200e, the modern 24-channel solution. The DSP-8200e was fully vetted by the FAA Tech Center in Oklahoma.
DSP-8200 technology has protected the hearing of many air traffic controllers. There are still many air regions that need this solution. If you would like to start a conversation, we would like to connect you to Mike Melum, a retired FAA engineer from Alaska who was a part of our early installations. Mike understands both our DSP-8200 solutions as well as all the complimentary FAA infrastructure.
If you have other telecommunications needs, the DSP-8200 family may be a software change away from solving your unique problem. We implemented a voice monitoring/recording solution for a 911 communication system using this approach.
Sometimes you even use COTS software and wish there was an appropriate interface for the transducers you routinely use in your work.
Danville Signal designs and manufactures hardware products that address this need.
Now you might be thinking, "What's a high-performance DSP audio company doing in this space?"
Well, it turns out that many of the techniques that make high-performance digital audio products possible are exactly the same as those needed in making excellent sound and vibration test equipment.
In many cases, it is tempting to kludge together a system using sound cards or multichannel digital audio converters to address the needs of a sound and vibration instrument front end. After all, many of these products have excellent S/N and appropriate sample rates.
Sound and Vibration instruments have additional requirements to make them more than just good sound cards:
- Stability of Performance
- Calibration Adjustments
- Extended Low-Frequency Response
- Wide Dynamic Range regardless of transducer sensitivity
- IEPE/CCP biasing TEDS transducer read and write capability
Chip manufacturers don't generally make products specifically for the sound and vibration market, the market is just too small. BUT—and it's a big BUT—the same devices used in the larger audio market are ideal for sound and vibration circuits if you know how to make the necessary adjustments.
Our sound and vibration products have industry-leading signal/noise performance and high sample rate capability since we use the state-of-the-art audio ADCs and DACs. We start with these devices and then add the appropriate circuits to tailor them to the specific needs of a measurement system.
COTS to Full Custom Designs
We have several standard products in our dspInstrument™ line that you can use with your software solution. The most popular is the spDAQ, which is a two-channel USB powered front end for sound and vibration measurements.
Most of the sound and vibration instruments that we make are for specific customers for their exclusive use. You will not see these on our website. We have designed and manufactured products for underwater acoustics, remote monitoring, condenser microphone interfacing, and vibration control.
These products may rely on an external computer and be interfaced via USB or Ethernet (including IoT - PoE support). Others have standalone processing using a DSP or embedded computer.
If you have a sound and vibration measurement requirement, we probably have all the basic building blocks already developed.
Danville manufactures all of our products in our own automated factory in Cannon Falls, Minnesota. This gives us the flexibility of customizing designs as needed and complete control over our manufacturing process.
If you need a technology partner for your S&V application, we would love to start a conversation.
The World of High-Performance Audio is Changing.
Sure, you can still find vinyl enthusiasts and advocates for 10-watt triode amplifiers, but you will also find many more listeners that are taking advantage of the newer digital technologies.
What do they all have in common? They all want exceptional sound.
Pure analog audio products have been getting consistently better over the last 50 years. Much of the progress has been due to improved components and materials. Real capacitors behave more like capacitors, op-amps and transistors are more ideal, loudspeaker drivers are more linear, etc. You get the idea. But these improvements in analog technology still only allow slow, incremental changes. Most of the circuit ideas (and many of the best designers) have been around for a long time.
Today, virtually all audio content is either stored or created in digital form. Early recordings are painstakingly transferred from the original master tapes because the tapes have deteriorated to almost unusable condition. Ironically, this means that most modern vinyl pressings come from digital content.
Digital technology solves problems that are outside the practical purview of pure analog solutions. With the addition of DSP processing, the performance of an audio system can be greatly improved. For example, a DSP active crossover provides time alignment, phase, and frequency response corrections. You can use as much complexity as you desire and it can be changed completely by software.
We all know that the growth of digital technology has exploded in recent years.
So why has it taken so long?
There are several reasons that acceptance of DSP technology in high-performance audio has taken a while to gain momentum.
As discerning listeners, we place high expectations on the performance of our equipment. So even though we might have known conceptually how to build superior high-performance audio using DSP, it required a few things to catch up to its pure analog cousins:
- State-of-the-art data converters.
- Fast and affordable DSPs.
So now that the base technology has caught up, there is still the fact that very few people have a combination of strong analog and DSP skills. And yet, both are required to achieve great results. When you choose Danville as your technology partner, this is the expertise we bring to the table.
Your team just got bigger. What do you want to create?
Here are a few of the audio application areas that we address:
- DSP-based Active Crossovers
- High-Performance Wireless Audio
- USB Audio Class 2 DACs and Headphone Amplifiers
- Bass Management
- Room Correction
- Beam Forming Speaker Arrays
- Vinyl to Digital Converters (Translation Phono Preamplifiers)
- Noise Reduction & Tone Suppression
- AEC Conferencing Solutions
The bulk of our audio products are semi-custom solutions tailored to individual customer requirements (ODM & OEM). You probably won't see them on this web site, but they are in brands you know. You may be interested in our dspNexus products. These products are for consumers and OEM/ODMs alike and replace the control center (preamp function) while providing multichannel DSP processing for active crossovers, subwoofer support, and room correction.
If our products are our children and it takes a village…
We are first and foremost a partnering company. You can’t create great products without a supporting team. There are a number of A-Players that we work within our “village”.
Analog Devices makes the gold standard DSP processors for Audio—The SHARC DSP. We have worked with SHARC for the last 20 years and as individual designers, we have completed more SHARC based designs than anyone else in the world. The slowest SHARC we use can execute 1600 MFLOPS. This is a lot of math.
DSP Concepts makes world-class graphical tools and optimized DSP modules. We are fully licensed to use DSP Concepts’ Audio Weaver with our products. This makes DSP programming available without the drudgery or specific skills of writing DSP code.
AKM has been making great data converters for years and today has the reputation for the best performing devices. The S/N of a state-of-the-art AKM ADC is 1000 times better than the S/N from a phono cartridge.
Built in Minnesota
You may think that Minnesota is the land of Norwegian bachelor farmers, the Mayo Clinic, and great hockey players, but did you know that we also have a vibrant electronics manufacturing sector?
Danville manufactures all of our products in our own automated factory in Cannon Falls, Minnesota. This gives us the flexibility of customizing designs and the advantage of having complete control over our manufacturing process.
And no, none of our team has a "Fargo" accent.
If only you could listen here
We would love to have a link that would truly allow you to "listen to our stuff" here.
But this is a website, not a sound room; so please start a conversation with us.
We like to talk. After all, we are an audio company. You'll find when we listen, we create great products together.
Contact Us
Headquarters:
Danville Signal Processing, Inc.
29687 82nd Ave Way
Cannon Falls, MN 55009
Phone: +1-507-263-5854
Our normal hours are from M-F 9:00 - 5:00 US Central Time (UTC-6).
Manufacturing Location:
Danville Signal
1101 N 4th Street
Cannon Falls, MN 55009
Phone: +1-507-263-0500
Note: Please request an RMA for any warranty repairs and return them to this location.
General Emails:
We're always available for a Skype or Zoom conversation. Just get in touch and we can set up a time to talk.
Skype: danvillesignal (send a connection request please)
Zoom: we can set up group meetings, as needed
We look forward to talking to you about your next project!
Audio products have gotten much better with the rise of DSP-driven digital audio techniques, but also more complex...
Danville designs and manufactures electronic products using a blend of digital signal processing (DSP) and analog circuit technology to create solutions for high-performance professional and consumer audio markets. We also make acoustics and vibration instrumentation since the technology requirements are quite similar.
And we are good at it—we have been designing audio products using analog techniques for over 45 years and DSP for over 30 years. This journey started with high-end audio preamplifiers and power amplifiers in the 1970s and ultimately led to the founding of Danville in 1998.
We have a dedicated manufacturing and development team, and are motivated to implement a solution that is tailored and fine-tuned to the exact specifications you need.
Let's work together to turn your good system into a great one.