500-series mic/line preamp modelled on the console preamps from the famed Wally Heider Recording Studio Studio 4 console built in 1972. It recreates the transformer-and-op-amp architecture of those vintage modules, offering clean gain with a rich harmonic character and an engaging mid-range punch.
Specs:
- Stepped input gain up to approx 75 dB
- +48 V phantom power switchable
- High-Z instrument input option
- Output fader built-in
- Input transformer replacement Ed Reichenbach RE-0887 (1:8) style
- Compatible with 500-series rack format
Product Specs
- Item Number: 39912
- Make: Capi
- Model: FD312 WHR4
- Condition: Excellent
- Finish: Black
- Categories: pro-audio ⇒ 500-series
- Year: 2016
- Made In: United States
- MPN: 39912


