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BURL Audio BDA4 4-Channel D/A Daughter Card for B80 Mothership

Transformer coupled, 4-channel digital-to-analog converter Daughter Card for the Mothership

Product Description

Analog vs digital. The debate has raged on for decades. Finally, Burl Audio has brought an end to this tiresome battle by combining the best of both worlds. The Burl BDA4 is a 4-channel digital-to-analog converter Daughter Card for Burl Audio’s renowned B80 MOTHERSHIP. This transformer-coupled converter utilizes analog circuitry to make your tracks sound bigger, fatter, and deeper. Welcome to the future of digital audio—the mothership is here.

Digital Audio with Analog Flavor

The BDA4 is equipped with the newly developed BOPA14 op-amp, which features an all-discrete design with a minimal number of transistors. The BOPA14 utilizes Burl Audio’s NextGen Analog circuit path to deliver tighter bass and higher definition throughout the audio spectrum.

The BDA4 also employs the Burl BX5 output transformer—just like the legendary B32 VANCOUVER MIX BUS—to give your tracks even more analog character. By pairing these two powerful components together, the BDA4 can add detail to your tracks in ways you never thought possible. Perfect for bringing guitars and vocals to life, adding low-end to kick drums and basses, or even gluing your mix bus together—the BDA4 is a one-of-a-kind converter.

The New Analog Sound

Cancel your plug-in subscriptions. Sell your console. Throw out your tape machine. The BDA4 is your new go-to for adding analog character to tracks.

For years, engineers have looked for ways to make their digital tracks sound “less digital”. The BDA4 is designed to recreate the unique color imparted by analog audio equipment—only better. The BDA4 introduces no internal noise or hiss, and offers a higher dynamic range and more headroom than most analog devices.

BDA4 also employs a switchable DAC filter, allowing you to change the tone from the classic Burl sound to a more aggressive tone with a more forward mid-range. Mixing is made easy with AVID delay matching, which perfectly matched the output delay of an AVID IO when using hardware inserts.


  • 4-channel DAC
  • 4-channel XLR connectivity
  • All Class A, discrete signal path
  • BURL NextGen Analog BOPA14 OP-AMP
  • BX5 nickel core output transformers
  • Avid delay matching
  • DAC filter select

Product Specifications

Condition New
Chassis Module
Channels 4-Channel
Analog Outputs 4
Output Connectors Analog XLR
Maximum Sampling Rate 192 kHz

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.
The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
James P.
Thank you so much! Vintage King has been so fair and easy to work with. I can't thank you enough. It feels good to trust such a hefty purchase to folks who are so helpful and knowledgeable. Vintage King is a sound designers dream store.
Noa L.
You guys have excellent customer service and I am excited about the next upgrade I complete on my fifth recording facility. I've been in the studio business for forty plus years. The salesman I worked with at Vintage King was the best of the best. You all rock!
Robby T.
I would recommend Vintage King to any one looking for top-class gear, unbeatable customer service and the best prices on the map!
Jake D.
My experience with Vintage King was excellent. The order was here fast considering it was out of stock. The sales person had SKB send it to me directly and I couldn't have been more pleased.
Michael D.
From the minute I placed my order I was kept well-informed through each step in your process. Even though I was buying a comparatively modest piece of gear, your attention to detail made me feel like I was purchasing a six-figure mixing desk.
Thomas W.
I am a new customer of yours. You guys provided me the absolute best deals in ordering all the equipment to power my brand new recording studio. Your customer service is amazing and i will always deal with you from here on out.
Rob M.
Thanks for your great service and getting this out today. You guys really are the Kings!
Alan B.
Better than expected! Truly impeccable service. Your team was professional, knowledgeable, provided speedy delivery above and beyond standard. Vintage King Audio is definitely my go to for all of my audio and information needs.
James O.