BAE 312A Dual Mic Preamp 19" Rackmount w/out PSU

Article number: DUAL312NOPS
Availability: Ships from manufacturer
Delivery time: Normal delivery time is 2-7 business days, subject to availability.

Because there are no capacitors in the audio path, the 312A is super fast and punchy, allowing transients to pass easily, making them a favourite for drummers. Made with the highest quality parts including Jensen input and output transformers and the Avedis® 1122 opamp. The 312A also includes a high impedance DI for instruments.


  • Made using Avedis® 1122 opamps
  • Supplied with Jensen input and output transformers
  • Switches have gold contacts for long life
  • XLR connectors on the back for mic input and output
  • Phone jack in front for direct input
  • High impedance direct input for guitar and synthesizer
  • Separate front panel switches for phantom power
  • Remote power supply with four-foot cable (NOT INCLUDED) for optimum sound quality
  • Available as a 500 series module or a single or dual channel 19" rackmount with and without a Power Supply


  • Channels: Dual
  • Power Supply: Not Included
  • Frequency Response: 5Hz to 75kHz (-3dB)
  • Mic Input Impedance: ≈1400 ohms
  • Line Input Impedance: 10k ohms
  • DI Input Impedance: ≈250k ohms
  • Output Impedance: 75 ohms
  • Common Mode Rejection Ratio: 110dB min @ 60Hz
  • Maximum Output Level: +27.1 dBu @ 600Ω
  • Power Requirements: 115/230 VAC, 27W (Rackmount)
  • Gain dB 10 to 66 dB
  • Equivalent Input Noise -120 dBu; Unweighted 300kHz Bandwidth
  • Weight: 8 LBS / 3.63 KG (Dual Rackmount)
  • Dimensions: 19W x 1.75L x 9D (Rackmount)
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