312 Mic Preamp
500 Series Module
From API:
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.
Specs
- 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.
Source: API 312 Mic Preamp product page