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Power Rating (To FTC Requirements)
50 watts continuous average power per channel into 8 ohms at any frequency between 20Hz to 20kHz with all
channels driven at less than 0.18% THD
80 watts continuous average power per channel into 4 ohms at any frequency between 20Hz to 20kHz with all
channels driven at less than 0.18% THD
IM Distortion (SMPTE)
1 watt to 50 watts into 8 ohms ............................................................................................................................... ≤ 0.07%
1 watt to 80 watts into 4 ohms ............................................................................................................................... ≤ 0.07%
IM Distortion (CCIF, Any Combination from 4kHz to 20kHz)
50 watts into 8 ohms............................................................................................................................................ ≤ 0.035%
80 watts into 4 ohms............................................................................................................................................ ≤ 0.035%
THD + Noise at 50 watts into 8 ohms (Typical)
20Hz....................................................................................................................................................................... 0.018%
1kHz ......................................................................................................................................................................... 0.02%
10kHz ....................................................................................................................................................................... 0.07%
20kHz ....................................................................................................................................................................... 0.14%
THD + Noise at 80 watts into 4 ohms (Typical)
20Hz....................................................................................................................................................................... 0.018%
1kHz ......................................................................................................................................................................... 0.02%
10kHz ...................................................................................................................................................................... . 0.08%
20kHz ..................................................................................................................................................................... 0.165%
Frequency Response @ 1 Watt into 8 ohms (10Hz to 20kHz) ................................................................................. +0, -0.25dB
Power Bandwidth (-3dB) ....................................................................................................................................... 3Hz to 130kHz
Dynamic Headroom into 4 ohms ....................................................................................................................................... 2.2 dB
Signal to Noise Ratio, "A" Weighted (50 watts into 8 ohms) ........................................................................................ . ≥ 98dB
Gain........................................................................................................................................................................................ 29dB
Input Sensitivity
for 1 Watt............................................................................................................................................................... 0.1 volts
for 50 Watts ......................................................................................................................................................... 0.71 volts
Input Impedance ................................................................................................................................................................ 49.9kΩ
Damping Factor (20Hz to 20kHz) ........................................................................................................................................ ≥ 260
Rise Time (5kHz, 90V, peak-to-peak square wave, 20% to 80%)...................................................................................... 1.1µS
Power Consumption (Continuous, All Channels Driven)
Quiescent .................................................................................................................................................................. 50VA
Maximum................................................................................................................................................................. 600VA
50 watts into 8 ohms................................................................................................................................................ 325VA
80 watts into 4 ohms................................................................................................................................................ 480VA
Power (Available in 230VAC on special order)................................................................................................. 115VAC - 50/60Hz
Chassis Dimensions.............................................................................................. 3" (72mm) x 17" (432mm) x 11 3/8" (289mm)
Maximum Dimensions ..................................................................................... 3 1/4" (83mm) x 17" (432mm) x 12 1/8" (308mm)
Weight...................................................................................................................................................................... 17 lb. (7.7 kg)
Weight, Packed ..................................................................................................................................................... 22 lb. (10.0 kg)
GFA-5200 SPECIFICATIONS
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