Single Channel API 200-Rack Microphone Preamp

Authentic Transparency for Unrestricted Creativity

Specifications

Minimum Gain: 8.5 dB
Maximum Gain (continuously variable): 60 dB (70 dB in Ribbon Mode)
Frequency Response (+0 / -3 dB): sub 3 Hz to beyond 300 kHz
Noise (60 dB Gain, 10 Hz - 30 kHz, Inputs common): -130 dB EIN
Total Harmonic Distortion + Noise (35 dB Gain, 10 Hz - 20 kHz bandwidth, +27 dBu Out): < .001%, Typ. < .0005% (< 5 ppm)
Intermodulation Distortion ((50 Hz & 7 kHz) 35 dB Gain, +27 dBu Out): < .0009%
Phase Response (35 dB Gain, 50 Hz - 20 kHz bandwidth, +27 dBu Out): < 2 degrees deviation
Common Mode Rejection Ratio (35 dB Gain, 10 Hz - 20 kHz bandwidth, 100 mV C.M.): > 65 dB, Typ > 85 dB
Slew Rate (35 dB Gain, +27 dBu Out): > 25 Volts per microsecond
Maximum Input Level (20 Hz - 40 kHz): +20 dBu (no attenuator pads required)
Maximum Output Level (20 Hz - 40 kHz): +28 dBu
Phantom Input Impedance (1 kHz): 6,750 ohms
Output Impedance: 24.3 Ohms (x2)
Phantom Powering: +48 V dc, +/- 2 V dc
Dimensions/Shipping Weight: 1-1/8” W x 2-5/8” H x 5-7/8” D, 1 lb.