DC coupled ribbon mic with 10dB gain boost setting.
500 Series Mic Pre/EQ Module,] Class A, 70dB of Gain, 3-band EQ, with Hi Pass Filter, Mic and Line switching
2 slot Rack for 500 series modules with 2 x 312A Mic Pre Modules
500 Series Mono Class-A Discrete Microphone Preamp / DI with BX4 Steel Output Transformer
Mono Class-A Discrete Microphone PreAmp / DI with BX2 Nickel Output Transformer, for the 500-Series Format
500 Series Mic Pre/DI, with 80dB of Gain, Pad, Hi Pass Filter Pad, and 80Hz Low-cut Filter, Mic/Line, Phase, 48V and Impedance
500 Series Discrete Class-A Mono Mic Tube Pre & DI with 3-band EQ, Jensen Input Transformer
Features, Mic Preamp, Front and Back Panel Mic Input Access, Line/Instrument Preamp, Front Panel Line/Instrument Input, LED VU meter, 20 dB pad switch, Phantom switchable power, fully discrete circuit design.
Offers world-class transformer-coupled micpreamp, compressor and DI circuitry with Vari-phase, "Silk" and DI/mic blending capabilities – all in a single 500 series module.
Features, A 12-way precision rotary switch, phantom power, High Pass Filter, Silk / Texture, Level Meter, Push button inverts the polarity of the signal path.
The Electrodyne 501 is a two stage discrete transistor, transformer coupled preamp with active DI, using classic early '70s design technology.
2 slot Rack for 500 series modules with 1x 312A Mic Pre Modules