Adcom GFA-555MS 400wattsinto8ohms, ≦0.005%, THD + Noise at 400 Watts into 8 Ohms, Bridged, 0.050%

IM Distortion, Bridged (CCIF, Any Combination from 4kHz to 20kHz)

400wattsinto8ohms	≦0.005%
THD + Noise at 400 Watts into 8 Ohms, Bridged
20Hz	0.004%
1kHz	0.004%
10kHz	0.020%
20kHz	0.050%
Frequency Response @ 1 Watt into 8 Ohms
10Hzto20kHz	+0.0.25dB
Power Bandwidth (-3dB)	10Hzto100kHz
Dynamic Headroom into 4 Ohms	1.3dB
Signal-to-Noise Ratio, "A" Weighted
125wattsinto8ohms	≧102dB
Gain	27.2dB
Input Impedance	100,000ohms
Input Sensitivity
125wattsinto8ohms	1.38Vrms
1wattinto8ohms	123mVrms
Damping Factor
20Hzto20kHz	>400
Rise Time
5kHz,90Vpeaktopeaksquarewave,20%to80%	2.3us
Semiconductor Complement	34transistors,2zenerdiodes,
	13diodes,2ICs,2diodebridges
Power Consumption (Continuous, Both Channels Driven)
Quiescent	48VA
Maximum	900VA
125wattsinto8ohms	420VA
200wattsinto4ohms	730VA