API3122V 2-Channel Microphone Preamp


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API 3122V 2-Channel Microphone Preamp

API's 3122V is a dual channel microphone preamplifier rack unit featuring all the same analog love and characteristics found in other API preamps. Fitting nicely in the middle between the 312 500 series and 3124V, the 3122V features high quality parts, loads of gain, and a stellar output transformer that makes your sound punchy and full. Each channel features a mirrored front/rear XLR mic input with the front showcasing a combo XLR/TS for taking on unbalanced line and even Hi-Z instrument signals. Selecting the type of input is easy and adding gain is no issue with the 3122V, with up to +68dB for microphones and +48dB for instruments and line level signals.

Power your condenser mics with the onboard +48V phantom power per channel, and for your hotter dynamic mic and instrument signals, the 3122V features a -20dB pad for extra protection against unwanted input clipping. Cleaning up your inputs is no problem for the 3122V with both a polarity inverter for correcting phase issues as well as a unique addition of a fixed 50Hz high pass filter, taking care of unwanted rumble and low end. The flavor of API's signature sound comes into play on the output transformer with the 3122V featuring the classic 2520 op-amp for fat and powerful sounds. Monitor and match your output level with the level control and well-lit VU meter, and engaging the 3:1 button loosens the restraints of the output ratio from 1:3 to 1:1.

For stereo preamplification or just wanting two separate inputs for a multitude of tracking purposes, the API 3122V offers impressively dynamic signal control and coloration.

3122V Features

  • Dual microphone preamplifier
  • Great compromise for those debating between the 3124V and the 312 500 series
  • Front combo input supports mic and unbalanced Hi-Z or line, rear XLR for mirrored mic input
  • Selectable input switch with engageable +48V phantom power and up to +68dB of gain
  • Polarity inverse for cleaning up phase along with a -20dB pad for controlling hotter inputs
  • Fixed 50Hz high pass filter for shaving off rumble
  • 2520 op amps on the output transformer for amazing punch and large headroom
  • 3:1 output transformer tap reduces output gain ration to a fixed 1:1 (approx 10dB)
  • VU meter for monitoring output
  • Analog inputs: 2x combo XLR/TS, 2x XLR
  • Analog outputs: 2x XLR
  • Input impedance: Mic = 1.5 kOms, Hi-Z = 470 kOhms
  • Output impedance: >75 Ohms, transformer balanced
  • Frequency response: +/-0.5dB, 20Hz to 40kHz
  • S/N ratio: Mic = -128dB, Hi-Z = -106dB
  • Dimensions: 19" x 1.75" x 11"
  • Weight: 9 lbs
  • Power consumption: 8 Watts
API 3122V 2-Channel Microphone Preamp Reviews