Burl Audio

Modular 2U AD/DA converter chassis with 2 daughter card slots and a swappable digital motherboard, featuring a BX1 transformer on every ADC channel and BOPA4 discrete op-amp on every DAC channel. A compact version of the B80 Mothership using the same daughter cards.

2-channel, 24-bit analog-to-digital converter featuring a proprietary BX1 transformer input, discrete class-A zero-feedback signal path, 120 dB dynamic range, and support for sample rates from 44.1 kHz to 192 kHz.

2-channel digital-to-analog converter featuring all-discrete class-A BOPA11 op-amps with passive filtering and a zero-capacitor signal path, designed for high-fidelity monitoring from 44.1 kHz to 192 kHz at 24-bit resolution.

Modular 4U AD/DA converter chassis with up to 80 analog channels, 10 daughter card slots, and a swappable digital motherboard supporting DigiLink, MADI, Dante, and SoundGrid connectivity — all class-A, discrete, no ICs or capacitors in the signal path.

16-channel BURL BLACK ADC daughter card for the B80 and B16 Mothership, featuring all discrete transistor class-A analog-to-digital conversion with the new BX8 transformer, delivering higher channel density at a lower cost per ADC channel than the BURL GREEN ADC line.

Mastering-grade 4-channel ADC daughter card for the B80 and B16 MOTHERSHIP, featuring switchable BX1 input transformers, NextGen Analog BOPA14 op-amps, and a stepped attenuator. Designed for mixing and mastering with switchable ADC filter and Avid delay matching.

8-channel analog-to-digital converter daughter card for the B80 and B16 Mothership modular chassis, employing all class-A, discrete transistor analog circuit path with BX1 transformer-coupled input and the latest A/D conversion technology.

4-channel AES/EBU I/O daughter card for the B80 and B16 Mothership modular chassis, with AES input clock recovery. Supports up to 40 AES IO channels in a single B80 chassis.

12-channel digital-to-analog conversion daughter card for the B80 and B16 Mothership, featuring class-A discrete transistor BOPA14 op-amps plus a 2-channel stereo DAC for monitor control with switchable Speaker A, Speaker B, and headphone outputs.

16-channel digital-to-analog conversion daughter card for the B80 and B16 Mothership, featuring all discrete transistor class-A circuitry with the BOPA14 op-amp and BURL NextGen analog circuit path, delivering superior class-A analog conversion at a lower cost per channel.

Transformer-coupled, 4-channel digital-to-analog converter daughter card for the B80 and B16 MOTHERSHIP, featuring BOPA14 all-discrete class-A op-amps with BURL NextGen Analog and BX5 nickel core output transformers.

Switchable transformer-coupled, 4-channel mastering-grade DAC daughter card for the B80 and B16 MOTHERSHIP, featuring all class-A NextGen Analog BOPA14 op-amps, switchable BX5 output transformers, and a stepped attenuator. Designed specifically for mixing and mastering.

8-channel digital-to-analog converter daughter card for the B80 and B16 Mothership modular chassis, featuring all-discrete class-A BOPA14 op-amps with BURL NextGen Analog circuits and Avid delay matching.

DigiLink motherboard for the B80 and B16 Mothership, featuring two primary DigiLink connectors for direct hookup to Avid Pro Tools at 64-channel IO across all sample rates.

MADI motherboard for the B80 and B16 Mothership, featuring two optical MADI ports for use with ASIO or Core Audio PCIe MADI cards, supporting 64-channel IO at 44.1 kHz through 96 kHz and 32-channel IO at 176.4 kHz and 192 kHz.

Dante motherboard for the B80 and B16 Mothership, featuring two Ethernet ports for use with Dante-enabled DAWs and devices, supporting 64-channel IO at 44.1 kHz through 96 kHz and 32-channel IO at 176.4 kHz and 192 kHz.

SoundGrid motherboard for the B80 and B16 Mothership, featuring one Ethernet port for 64-channel Waves SoundGrid audio-over-Ethernet connectivity, providing extremely low-latency audio processing over 1 Gbps Ethernet.

AES/EBU motherboard exclusively for the B16 Mothership, providing 8 channels of AES/EBU I/O via DSUB25 connector for easy interfacing with any AES/EBU device at all sample rates.

Control room monitor daughter card for the B16 and B80 Mothership, featuring 4 DAC channels with all-class-A BOPA14 discrete circuitry, switchable BX5 output transformers, 2 stereo speaker outputs, and a stereo headphone output.

Discrete class-A control room monitor controller featuring BURL NextGen Analog circuitry with BOPA10 and BOPA8 op-amps, three stereo mix inputs, two stereo speaker outputs, and independent studio and headphone sends.

500-series microphone preamplifier featuring proprietary BX3 input and BX2 (or BX4 on the B1D) output transformers, all-discrete class-A direct-coupled capacitor-free circuit path, and 70 dB of gain.

4-channel MIC/LINE input daughter card for the B80 and B16 MOTHERSHIP chassis featuring the new BX6 input transformer, class-A NextGen Analog BOPA14 circuitry, and the same ADC as the BAD8 — delivering up to 40 channels of audiophile MIC/LINE inputs per B80 chassis.

Solid-state optical compressor with limiter featuring all-discrete class-A transistor circuitry, switchable BX1 input and BX5 output transformers, and a fully balanced circuit path, designed for individual tracks through mix bus and mastering.

32-channel analog summing mixer featuring all-discrete class-A circuitry, a switchable BX5 output transformer, GAIN BOOST function, and audiophile 0.1% stepped attenuators. Updated with BURL NextGen Analog circuitry and BOPA14 op-amps.

Word clock distribution daughter card for the B80 and B16 MOTHERSHIP chassis, providing 8 BNC word clock outputs plus one AES/EBU clock output with two independently programmable banks. A single B80 can achieve up to 92 total word clock outputs with BCLK cards installed.