Gfa-5500 specifications, General – Adcom GFA-5500 User Manual
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GFA-5500 SPECIFICATIONS
Power Rating (To FTC Requirements)
200 Watts continuous average power into 8 ohms at any frequency between 20Hz and 20kHz with both channels
driven at less than 0.18% THD.
350 Watts continuous average power into 4 ohms at any frequency between 20Hz and 20kHz with both channels
driven at less than 0.18% THD.
IM Distortion (SMPTE)
1 watt to 200 watts into 8 ohms................................................................................. .............................................. <_ 0.05%
1 watt to 350 watts into 4 ohms............................................................................................................................... 1 0.05%
IM Distortion (CCIF, Any Combination from 4kHz to 20kHz)
200 watts into 8 ohms..............................................................................................................................................
1
0.035%
350 watts into 4 ohms.............................................................................................................................................. < 0.035%
THD Noise at 200 watts into 8 Ohms (Typical)
20Hz.............................................................................................................................................................................. 0.018%
1kHz............................................................................................................................................................................. 0.020%
10kHz........................................................................................................................................................................... 0.070%
20kHz............................................................................................................................................................................0.130%
THD
+
Noise at 350 watts into 4 Ohms (Typical)
20Hz............................................................................................................................................................................ 0.018%
1kHz............................................................................................................................................................................. 0.020%
10kHz........................................................................................................................................................................... 0.080%
20kHz............................................................................................................................................................................0.160%
Frequency Response @ 1 Watt into 8 Ohms
10Hz to 20kHz....................................................................................................................................................... +0, -0.25dB
Power Bandwidth (-3dB)........................................................................................................................................ 3Hz to 130kHz
Dynamic Headroom Into 4 Ohms......................................................................................................................................... 1 7dB
Signal to Noise Ratio, “A” Weighted
200 watts into 8 ohms................................................................................................................................................ > lOOdB
Gain.........................................................................................................................................................................................29dB
Input Impedance.......................................................................................................................................................... 49.9k ohms
Damping Factor
20Hz to 20kHz.................................................................................................................................................................. > 700
Rise Time
5kHz, 120V peak-to-peak square wave, 20% to 80%................................................................................................. 1.5pS
Power Consumption (Continuous, Both Channels Driven)
Quiescent......................................................................................................................................................................192VA
Maximum.................................................................................................................................................................... 1440VA
200 watts into 8 ohms.................................................................................................................................................. 660VA
350 watts into 4 ohms................................................................................................................................................ 1165VA
GENERAL
Power (available In 230V by special order)..................................................................................................... 115VAC-50/60Hz
Chassis Dimensions..........................................................................................7" (178mm) x 17" (432mm) x 13%" (349mm)
Maximum Dimensions....................................................................................... 7%" (184mm) x 17" (432mm) x 14’/i" (375mm)
Weight........................................................................................................................................................................44 lbs. (20kg)
Weight, Packed......................................................................................................................................................... 50 lbs. (23kg)
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