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 switchableHigh-Z instrument input optionOutput fader built-inInput transformer replacement Ed Reichenbach RE-0887 (1:8) styleCompatible with 500-series rack formatProduct SpecsItem Number: 39912Make: CapiModel: FD312 WHR4Condition: ExcellentFinish: BlackCategories: pro-audio 500-seriesFunction: PreAmpYear: 2016Made In: United StatesMPN: 39912Modular Grid: 500 Series Dimensions*: 1 Slot* User contributed details