INPUT
Input type Input connector Input impedence: Input CMRR (50 Hz - 20 kHz) EIN @50 dB gain Input gain range Input adjustment range Maximum input level	Balanced differential transformerless 3-pin XLR female 13.6 kOhm > 40 dB -127 dB typical with 150 Ohm source Nominally, +50 to -4 dB, selectable in four steps ± 20 dB from indicated input level +26 dB Ref .775 Vrms (15.5 Vrms)
OUTPUT
Output type Output connectors Line output impedance Microphone output impedance Line maximum output level Microphone output level Line output residual noise and hum Usable dynamic range Quiescent distortion @ unity gain	Servo-balanced transformerless line driver and resistive balanced attenuator for microphone level output 3-pin XLR male 100 Ohm balanced, 50 Ohm unbalanced 150 Ohm, resistive +26 dBm 600 Ohm -30 dB into 150 Ohms maximum -80 dB Ref .775 Vrms typical (20 kHz) > 100 dB .02% 1 kHz THD typical .05% SMPTE IMD typical
DYNAMIC RANGE PROCESSOR
Processor type Compressor attack time Compressor ratio Compressor release time Compressor threshhold Expander attack time Expander slope Expander release time Compressor/Expander sidechain rumble -----filter breakpoints De-esser sidechain breakpoint	Feedforward compressor with interactive expander and sidechain equalized de-esser 10 ms typical, program-dependent Nominally 4:1 40 dB/s to 4 dB/s, continuously variable -10 Vu, nominally -6 dB Ref .775 Vrms Identical to compressor 2:3 @ 30 dB Range setting or less 1:2 at Range > 30 dB Tracks compressor release Selectable 180 Hz, 90 Hz, and flat via rear panel switch Typically 2 kHz
EQUALIZER
Equalizer type Range of boost or cut Low EQ fc Mid EQ fc High EQ fc	First-order variable boost and cut series bandpass sections with a two-pole all-pass follower for reducing waveform asymmetry ±20 dB typical Nominally 140 Hzz Nominally 400 Hzz Nominally 7 kHzz
ELECTRICAL
Mains input Mains connector Power consumption High voltage breakdown rating Phantom (parallel) microphone power -----supply output	115/230 Vac 50/60 Hz ±10% IEC appliance input connector per IEC 320 15VA maximum Transformer wound on VDE/IEC approved bobbin and certified @ 4 kv Nominally +48 Vdc @ 6 mAdc

MECHANICAL
The Model 500TV is housed in a steel and aluminum1.75" x 16.5" enclosure. A rack mounting kit is included for installation into standard 19" equipment racks.

NOTES
0 dB and 0 dB ref .775 Vrms refers to 0 Vu at 0.775 Volts rms
0 dBm referes to 0 Vu at a power level of 1 mW into 600 Ohm
Noise measurements are made using an rms-responding meter in a 20 kHz corrected noise bandwidth

Specifications are subject to change without notice