Gfa-7400 specifications – Adcom GFA-7300 User Manual
Page 17
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Power Rating (To FTC Requirements)
100 watts continuous average power into
8
ohms at any frequency between 20Hz to 20kHz with all channels driven at
less than 0.075% THD
150 watts continuous average power into 4 ohms at any frequency between 20Hz to 20kHz with all channels driven at
less than 0.075% THD
IM Distortion (SMPTE)
1 watt to 100 watts into
8
ohms............................................................................................................................................................ < 0 075%
1 watt to 150 watts into 4 ohms........................................................................................................................................................... < 0.075%
iM Distortion (CCiF, Any Combination from 4kHz to 20kHz)
100 watts into
8
ohms............................................................................................................................................................................. < 0.025%
150 watts into 4 ohms............................................................................................................................................................................. < 0.025%
THD + Noise at 100 watts into
8
ohms (Typical)
20Hz...................................................................................................................................................................................................................0.012%
1kHz................................................................................................................................................................................................................. 0.012%
10kHz................................................................................................................................................................................................................. 0.02%
20kHz................................................................................................................................................................................................................ 0.025%
THD + Noise at 150 watts Into 4 ohms (Typical)
20Hz.................................................................................................................................................................................................................. 0 025%
1kHz................................................................................................................................................................................................................. 0 025%
10kHz................................................................................................................................................................................................................ 0 035%
20kHz................................................................................................................................................................................................................ 0.045%
Frequency Response @ 1 Watt into
8
ohms (10Hz to 20kHz)................................................................................................................... +0, -0.25dB
Power Bandwidth (-3dB)............................................................................................................................................................................. 1.5Hz to 65kHz
Dynamic Headroom into 4 ohms................................................................................................................................................................................ 2.5 dB
Signal to Noise Ratio, “A” Weighted (100 watts into
8
ohms)......................................................................................................................... > 1 lOdB
Gain...................................................................................................................................................................................................................................... 29dB
Input Sensitivity
for 1 Watt....................................................................................................................................................................................................... 0.1 volts
for 100 Watts................................................................................................................................................................................................. 1.0 volts
Input Impedance................................................................................................................................................................................................................50kf2
Damping Factor (20Hz to 20kHz)................................................................................................................................................................................. s 400
Rise Time (5kHz, 80V, peak-to-peak square wave, 20% to 80%)...........................................................................................................................4.5|iS
Power Consumption (Continuous, All Channels Driven)
Quiescent............................................................................................................................................................................................................ 96VA
Maximum........................................................................................................................................................................................................ 1440VA
100 watts into
8
ohms................................................................................................................................................................................ 1165VA
Power (Available in 230VAC on special order).............................................................................................................................. 115VAC - 50/60Hz
Chassis Dimensions........................................................................................................................... 5” (127mm) x 17" (432mm) x 14” (355.6mm)
Maximum Dimensions........................................................................................................................5%” (146mm) x 17" (432mm) x 15” (38lmm)
Weight.............................................................................................................................................................................................................. 42 lb. (19.1 kg)
Weight, Packed.............................................................................................................................................................................................. 48 lb. (22.8 kg)
All specifications are subject to change or improvement without notice. Dimensions and weights listed are approximate, actual
product may vary slightly.
GFA-7400 SPECIFICATIONS
17