Frequency Response
±0.5dB, 10Hz-15kHz
Noise
Better than 75dB below 100%-modulation output level, 10Hz-15kHz
Distortion (With full AGC correction and 10dB dynamic reduction)
<0.5%THD, 20Hz-15kHz; <0.25%THD, 50Hz-10kHz
Crosstalk
Better than –60dB, 10Hz-10kHz
(L/R) Active-balanced, bridging; accept program audio levels between –20dBu and +10dBu.
Program Line Outputs
(L/R) Active-balanced, 600-ohm source impedance; deliver 0dBm to +15dBm into 600-ohm loads.
Gate Circuit
Gating inhibits AGC ‘hunting’ and compression release during brief pauses in the input program. Extended program loss slowly returns circuit gains to resting values.
AGC Amplifier
Slow-AGC erases long-term program level variations for more consistent compression and limiting action. AGC may be independently defeated by grounding a rear-panel terminal. Correction range: ±12dB; correction rate: 0.5dB/sec
Dynamic Reduction
Compression and limiting share a common split-spectrum gain control circuit. The two functions are separated by a time-domain “floating platform” attack/release characteristic. Compression or total dynamic reduction may be independently defeated by grounding rear-panel terminals.
Spectrum Division
Independent high frequency gain reduction follows the 75µs pre-emphasis characteristic. (50µs optionally available.)
Safety Clipper
Active only on limiter overshoots that would exceed 100% modulation. Conforms to pre-emphasis characteristic.
Level Alarm
Front-panel indicator flashes when AGC correction exceeds ±9dB, or when “dead air” exceeds 10 seconds.
Power Requirements
105-130VAC or 210-255VAC, 50/60Hz; 20W
Size and Weight
1-3/ 4”H x 19”W x 8”D (1U); 12 lbs.
