INPUT
Microphone: 1 kΩ balanced, >80dB CMRR, +17dBu max input before clipping Insert
In: 20 kΩ balanced bridging, >40dB CMRR, +21dBu max input before clipping
MI: 1 MΩ unbalanced, +8.5dBu maximum input before clipping
THROUGHPUT
Bandwidth:
-0.1dB / +0.002dB, <10Hz to >30kHz, worst-case
-3dB, >300kHz and <<10Hz, typical
<0.003% Harmonic distortion, 20Hz to 20kHz, typical
<0.006% SMPTE Intermodulation distortion, typical
30v/usec discrete low-noise precision operational amplifiers, GML 9202
Noise:
-80dBu broadband, EQ engaged, typical
-112dBu EIN, MI input
-120dBu EIN, Microphone input (Rs = 150Ω, 30kHz BW), worst-case
-80dB crosstalk, 20Hz to 20kHz, worst case
FORM FACTOR
One channel, multi-input, gain, filter, parametric equalizer with insert capability and internal power supply
Inputs: Mic (balanced, XLR), MI (Musical Instrument; unbalanced, 1/4” TS)
Gain control: +15dB to +70dB, 5dB steps
Fine control: -5dB to +5dB, continuously variable
Phase switch, Phantom power (P48) switch
Filter -- Second-order Butterworth active high-pass filter; 100Hz, flat, 40Hz • Insert control: split
parametric equalizer from preamplifier
EQ section: four bands, fully parametric, continuously variable controls
EQ IN switch
Overload (OL) indicator: peak indication, preamplifier and equalizer
OUTPUT
+27.0 dBv clipping
3-wire unbalanced XLR (pin 2 hot)
< 3 mV output offset max, stabilized by D.C. servo correction, direct couple
OTHER
Internal linear power supply, 110V/220V switch, 50/60Hz; +/-28 VDC, +/-18 VDC, +48VDC Approx. power consumption:
28W; 500mA/250V slo-blo fuse installed (110V operation) Separate Ground and Chassis connections at rear
19" W x 1.75" H x 10" D rack mount chassis, black anodized aluminum, silver legend
Weight: 11 lbs., approximate; shipping weight may vary