Warm Audio WA412

4 Channel Microphone Preamplifier + Instrument DI

Fully discrete, transformer coupled, through-hole component topology

Altran USA custom wound, premium input and output transformers

X520 discrete op-amp in every channel, socketed for convenience. Can be user-replaced with most 6 pin, discrete op-amps for varying flavor & tone

65db of gain

Inputs – Microphone XLR & Active Instrument 2Meg ohm HI-Z

Outputs – Transformer balanced XLR & TRS

TONE button – Input impedance switches from 600 ohms to 150 ohms (affects the tone of both the mic and HI-Z inputs)

-20db pad – pads both mic and instrument DI inputs

Self noise: <-90dB (nominal)

Frequency response: 20hz to 20khz <+/-0.25dB (TONE button out), 20hz to 20khz +/-2dB (TONE button in)

+48 volt phantom power

LED metering

Output trim knob for precise level control and tone sculpting

Internal power supply (grounded, 3 pin IEC cord)