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GFA-555se 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..04% THD.
300 Watts continuous average power into 4 ohms at any frequency between 20Hz and 20khz with both channels
driven at less than 0.04% THD.
*
600 Watts continuous average power into 8 ohms at any frequency between 20Hz and 20kHz at less than 0..09% THD,
bridged.
*
IM Distortion (SMPTE)
1 watt to 200 watts into 8 ohms......................................................... ≤ 0.009%
1 watt to 300 watts into 4 ohms......................................................... ≤ 0.009%
IM Distortion (CCIF, Any Combination from 4kHz to 20kHz)
200 watts into 8 ohms................................................................. ≤ 0.002%
300 watts into 4 ohms................................................................. ≤ 0.003%
THD + Noise at 200 watts into 8 Ohms (Typical)
20Hz................................................................................ 0.004%
1kHz................................................................................ 0.003%
10kHz............................................................................... 0.006%
20kHz............................................................................... 0.010%
THD + Noise at 300 watts into 4 Ohms (Typical)
20Hz................................................................................ 0.005%
1 kHz............................................................................... 0.004%
10kHz............................................................................... 0.015%
20kHz............................................................................... 0.025%
IM Distortion, Bridged (SMPTE)
1 watt to 600 watts into 8 ohms.......................................................... ≤ 0.05%
1 watt to 850 watts into 4 ohms.......................................................... ≤ 0.05%
IM Distortion (CCIF, Any Combination from 4kHz to 20kHz)
600 watts into 8 ohms................................................................. ≤ 0.005%
850 watts into 4 ohms................................................................. ≤ 0.005%
THD + Noise at 600 watts into 8 Ohms, Bridged (Typical)
20Hz................................................................................ 0.004%
1kHz................................................................................ 0.004%
10kHz................................................................................ 0.02%
20kHz................................................................................ 0.04%
Frequency Response @ I Watt into 8 Ohms
10Hz to 20kHz..................................................................... +0, -0.25dB
Power Bandwidth (-3dB)............................................................ 10Hz to 100kHz
Dynamic Headroom Into 4 Ohms (1.7dB typical)................................................ 2.5dB
*
Signal to Noise Ratio, “A” Weighted
200 watts into 8 ohms.................................................................. ≥ 110dB
Gain.................................................................................... 27dB
Input impedance............................................ 10k ohms balanced; 100k ohms unbalanced
*
With supplemental cooling system.
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