Burl Audio B32 Vancouver – 32-channel analog summing mixer (mix bus) in a 1U format, built on a fully discrete Class-A signal path.
The unit accepts eight mono inputs, typically used for kick, snare, bass, or lead vocal, panned to the center of the stereo field, plus twenty-four stereo inputs where odd channels feed the left channel and even channels feed the right - panning of individual tracks happens in the DAW before signal reaches the D-Sub inputs. Each channel has its own 0.1%-tolerance stepped attenuator, and the entire signal path is free of capacitors, limiting the number of components that could add their own coloration before the signal reaches the stereo outputs.
Summing 32 channels with no capacitors in the signal path
The absence of coupling capacitors in the signal path, combined with a discrete Class-A path and precise stepped attenuators, delivers the depth and stereo width typical of summing on a large-format analog console, without losing transparency while summing all 32 channels at once. That addresses the flat-sounding character common to in-the-box digital summing, where every track is mixed within a single numerical domain with no physical signal separation.Switchable tone and saturation without leaving the mix
The switchable BX5 output transformer adds an alternate tonal character at the push of a button, and the Gain Boost function pushes the summing amplifier's gain by 6 dB, simulating the characteristic compression and harmonic saturation of a classic two-track tape machine. Both effects can be engaged independently at the mixing stage, without reaching for a separate outboard processor or routing the signal through an extra device in the chain.KEY FEATURES
- 32 input channels: 8 mono (center-panned) and 24 stereo
- Fully discrete Class-A analog path, no capacitors in the signal chain
- Audiophile stepped attenuators with 0.1% tolerance
- Switchable BX5 output transformer
- Gain Boost function adding +6 dB for tape-like saturation
- Two stereo outputs, 1U format
TECHNICAL SPECIFICATIONS
- Device type: analog summing mixer (mix bus)
- Number of input channels: 32 (8 mono + 24 stereo)
- Number of outputs: 2 (dual stereo)
- Signal path: discrete, Class-A, no capacitors
- Level control: 0.1% stepped attenuator per channel
- Output transformer: switchable BX5
- Summing amplifier boost: +6 dB (Gain Boost)
- Input connectors: D-Sub (DB25)
- Format: 1U rack chassis
