Adcom GCA-510 - GCA-510 Specifications; GCA-510 Power Output Ratings; Distortion and Frequency Response Specs; Other Performance Specifications

GCA-510 SPECIFICATIONS
Power Rating (To FTC Requirements)
50 watts continuous average power into 8 ohms at any frequency between 20Hz and 20kHz with both channels driven
at iess then 0.075% THD.
75 watts continuous average power into 4 ohms at any frequency between 20Hz and 20kHz with both channels driven
at less then 0.075% THD.
iM Distortion (SMPTE)
1 watt to 50 watts into 8 ohms.
1 watt to 75 watts into 4 ohms.
iM Distortion (CCiF, Any Combination from 4kHz to 20kHz)
50 watts into 8 ohms.
75 watts into 4 ohms.
< 0.05%
< 0.05%
s; 0.02%
£ 0 . 0 2 %
THD + Noise at 50 watts into 8 Ohms (Typical)
20Hz.
10kHz.
20kHz .
0 . 012 %
0.035%
..0.05%
THD + Noise at 75 watts into 4 Ohms (Typical)
20Hz.0.025%
1kHz.0.018%
10kHz.0.04%
20kHz.0.055%
Frequency Response @ 1 Watt into 8 Ohms
10Hz to 20kHz.+0,-,5dB
Power Bandwidth (-3dB) . 3 Hz to 100kHz
Dynamic Headroom Into 4 Ohms . 2 .3dB
Signal to Noise Ratio, "A” Weighted
50 watts into 8 ohms.- 105dB
Gain (Voume control @ Maximum) . 3 1 dB
Damping Factor
20Hzto 20kHz...^380
Rise Time
5kHz, 65V peak to peak square wave, 20% to 80%.1.5us
Semiconductor complement . 3 3 transistors, 2 zener diodes,
10 diodes, 1 IC, 1 diode bridge
Power Consumption (Continuous, Both Channels Driven)
Quiescent.50VA
Maximum .600VA
50 watts into 8 ohms.275VA
75 watts into 4 ohms.420VA
General
Power (avaiiabie in 220V or 240V on special order).
Chassis Dimensions.
Maximum Dimensions.
Weight.
Weight, Packed.
.120VAC/50-60H2
3"(76mm) x 17"(432mm) x 11VV'{286mm)
3V2''(89mm) x 17"(432mm) x 13''(330mm)
.15lbs.(6.8kg)
.17.5lb3.(7.9kg)