Quick Start Guide

52 53Quick Start Guide500 SERIES MICROPHONE PREAMPLIFIER 502
Distortion,unity gain, 1 kHz
0 dBu <0.005%
+10 dBu <0.005%
+20 dBu <0.01%
Maximum input level, 1 kHz +24 dBu
Maximum output level, 1kHz +26 dBu
Output impedance, 1 kHz 50 Ω
Filters
Low pass 1 kHz to 40 kHz, slope = 12 dB per octave
High pass 10 Hz to 400 Hz, slope = 12 dB per octave
Meters
Input meter 11 segment, -20 dBu to +20 dBu in 4 dB steps
Output Meter 11 segment, -20 dBu to +20 dBu in 4 dB steps
Power Requirements
Voltage +16 V and -16 V, +48 V (phantom power)
Power consumption 100 mA, 3.2 W
Physical
Dimensions (H x W x D) 132 x 38 x 174 mm (5.2 x 1.5 x 6.9")
Weight 0.6 kg (1.3 lbs)
Specications
Controls
Phantom Power 48 V switch
Input gain, mic/line 12 position rotary switch, 0-60 dB knob
Polarity 0/180 degrees switch
Low pass lter In/out switch, frequency knob
High pass lter In/out switch, frequency knob
Output trim / line gain trim +/-20 dB knob
Twin aux output enable TX switch
Input and Output
Input Mono, balanced mic or line
Main output Mono, electronically balanced
Twin aux output Mono, electronically balanced
System
Noise
Noise at unity gain -97 dBu (22 Hz - 22 kHz)
Mic EIN noise at +60 dB gain, 150 Ohm source -127dBu (22 Hz - 22 kHz)
CMRR
Unity gain, 1 kHz -70 dB (typical)
+60 dB gain, 1 kHz -100 dB(typical)
Input impedance, 1 kHz 10 kΩ
Frequency response, unity gain 20 Hz - 40 kHz +/- 0.5 dB