Portable Two Channel Microphone Preamplifier

Authentic Transparency for Unrestricted Creativity

Continuously variable gain control
Selectable DC-coupled ribbon mic path with +10dB gain boost setting
+48V phantom power
-14 dB Pad
12VDC to 15VDC operation - 100 to 240V line lump power supply (12V output) included

Specifications

Minimum Gain: 14.5 dB, 1dB with Pad
Maximum Gain (continuously variable) : 60 dB (70 dB in Ribbon Mode)
Frequency Response (-3 dB): < 10 Hz to > 200 kHz - typical -1.0 dB @ 10 Hz - typical -1.5 dB @ 200 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, +24 dBu Out): < .003%, Typical < .001%
Intermodulation Distortion (50 Hz & 7 kHz) 35 dB Gain: < .0006% +12 dBu Out < .001% +20 dBu Out
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, +24 dBu Out): > 25 Volts per microsecond
Maximum Input Level (20 Hz - 40 kHz): +12dBu @ 0.02% THD+N +18dBu @ 0.02% THD+N with pad
Maximum Output Level: 1 kHz @ 35dB of gain, THD+N is: < 0.001% at +26dBu output < 0.05% @ +28 dBu output.
Phantom Input Impedance (1 kHz): 2,210 ohms
Output Impedance: 24.3 Ohms (x2)
Phantom Powering: 48V dc +/- 2V dc
Dimensions/Shipping Weight: 5.67" W x 1.69” H x 8.19” D, 3 lbs.