Classic microphone preamp in a 500 Series module featuring a discrete circuit design with 2520 Op Amp and proprietary AP2516 input transformer
The 312 is one of API's most sought after and famous mic preamps. First introduced in the 1970s, it is well known and respected throughout the recording industry, and is the building block of the modern 3124 rack unit.
Based on API co-founder Saul Walker's original designs, the API 312 Mic Pre combines our 2520 op-amps and proprietary transformers. It delivers the analog warmth, massive headroom and unmistakable sound for which API is known, in a convenient 500 Series format.
Following the success of the hand wired 312 50th Anniversary Edition, this standard production version offers the classic API sound at an affordable price. Like all API products, the 312 is backed by API's unique Five Year Warranty.
API's Classic 312 Microphone Preamp in a 500 Series moduleVintage Style Analog VU MeterMaximum 69dB of gainTraditional API fully discrete circuit design with 2520 Op AmpProprietary AP2516 Input Transformer20 dB pad switch3:1 Output Transformer Tap SelectionSwitchable 48V phantom powerPeak LEDAPI's Five Year Warranty
Gain Range: +34 dB to +69 dB (+14 dB to +49 dB with pad)
Maximum Input Level: -4 dBu (+16 dBu with pad)
Maximum Output Level: +31 dBu
Peak LED: Set to +18 dBu output level
Output Impedance: Less than 75 Ohms, transformer balanced
Frequency Response: ±0.5 dB, 20 Hz to 40 kHz
Signal to Noise Ratio: 120 dB
Connections: 15 position .156" sp. edge connector
Power Consumption: ±16 Volts/DC @ 55 mA
Size: 1.5" x 5.25" x 6.75" deep
Weight: 1.5 lbs.
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