A mastering-grade, 4-channel DAC daughter card with stepped attenuators and switchable output transformers, specifically designed for mixing and mastering on the B80 and B16 Mothership. The BDA4M pairs the NextGen BOPA14 discrete op-amp with the renowned BX5 output transformer used in the B32 Vancouver mix bus - engaging it makes things sound bigger, phatter and deeper.
Route a BDA4M into a BAD8 or BAD4 and you get better results than running digital projects through a 2-track analog tape machine: higher dynamic range and more headroom, with none of the tape hiss. A B16 fitted with a BAD4M and BDA4M becomes the ultimate 4-in x 4-out mastering solution.
The BDA4M brings the same BOPA14 NextGen Analog op-amp and switchable BX5 output transformer used in the B32 Vancouver mix bus to a dedicated 4-channel mastering DAC card for the B80 and B16 Mothership, complete with a B2 DAC-style stepped attenuator for repeatable recall.
A switchable DAC filter lets you dial in anything from the classic BURL sound to a more aggressive, forward mid-range, while Avid delay matching keeps the card perfectly in sync with an Avid I/O for hardware inserts.
Features & Specs
BDA4M Features & Specs
4-channel MIX/MASTERING DAC
4-channel XLR connectivity
All class-A, NextGen Analog BOPA14 or BOPA11 op-amps
Switchable BX5 output transformers
B2 DAC style stepped attenuator
Avid delay matching
DAC filter select
Frequency response @48kHz: 10Hz-22kHz, +/-0.1dB
Frequency response @96kHz: 10Hz-30kHz, +/-0.1dB, -0.3dB @ 40kHz
Frequency response @192kHz: 10Hz-30kHz, +/-0.1dB, -1.5dB @ 90kHz
115dB Dynamic Range
-96dB THD+N, full scale output = +22dBU
Rugged, Made in USA design
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