The WA-412 provides 4 channels of classic American consolepreamps in a sleek 1RU design. This style of preamp is often referred to as"the sound of Rock n' Roll" for its BIG punchy low end and smoothopen top end. The price/performance ratio of the WA-412 is almost unfathomableto the experienced studio engineer who has possibly paid much more for preampsof this style during their career. Featuring fully discrete socketed 6-pinopamps and custom wound Altran USA input and output transformers, the WA-412leaves nothing to be desired. If you are looking for multiple channels of worldclass tone in an affordable package, the WA-412 is the right choice for you.

The WA-412 has all of the features one would expect fromthis style of preamp... and more. Output Trim is available on every channel forprecise control and creative gain structuring. A Tone switch (transformer inputimpedance) is also available on each channel, which allows you to choosebetween a warm and punchy classic console tone, or go for a more open &neutral sound.

Each channel utilizes a fully discrete socketed 6-pin opampthat can be swapped with other opamps. Discrete opamp circuitry is known forits high headroom and low distortion characteristics and has much to do withthe coveted sound of these classic console preamps.

We are proud to be using input and output transformers thatare made in the USA by high-end transformer manufacturer, Altran. We workedclosely with Altran to create unique transformers that extend the low frequencyresponse of these classic preamps. The transformers also use a vintage windingtechnique that produces a very distinct smooth BIG character.

Carefully choosing the WA-412 components has resulted in anamazing four channel ‘workhorse’ preamp/DI that performs at the highest levels,while still adding vintage console magic to your signal.


  • 4 Channel Microphone Preamplifier + Instrument DI
  • Fully discrete, transformer coupled, through-hole componenttopology
  • Altran USA custom wound, premium input and outputtransformers
  • X520 discrete op-amp in every channel, socketed forconvenience. Can be user-replaced with most 6 pin, discrete op-amps for varyingflavor & tone
  • 65db of gain
  • Inputs - Microphone XLR & Active Instrument 2Meg ohmHI-Z
  • Outputs - Transformer balanced XLR & TRS
  • TONE button input impedance - Switches from 600 ohms to 150ohms (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 buttonout), 20hz to 20khz +/-2dB (TONE button in)
  • +48 volt phantom power
  • LED metering
  • Output trim knob for precise level control and tonesculpting
  • Internal power supply (grounded, 3 pin IEC cord)
  • UPC: 638142859295

ConditionB-Stock (Used)
B-Stock items are sold by an authorized dealer or original builder, but have been opened, blemished, or used in some manner.learn more
  • WA-412 4-Channel Mic Preamp
  • 2021
  • Analog
  • Solid State
  • 19-inch Rackmount
Number of Analog Outputs
  • 4
Number of Analog Inputs
  • 4
Number of Channels
  • 4

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Open Box Music

Carlsbad, CA, United States
Joined Reverb:2015

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