STATUS - SOLD
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Description :
The Adcom GFA-555 mkII, a stereo power amplifier. It sounds neutral and clean. This amplifier is powerful enough to drive any 4 ohm speakers with ease. The quality and craftsmanship are very good on this amplifier.
Specifications :
Power rating...................................200 Watts continuous average power into 8 ohm at any frequency between
....................................20Hz and 20kHz with both channel driven at less than 0.04% THD.
Power rating...................................325 Watts continuous average power into 4 ohm at any frequency between
....................................20Hz and 20kHz with both channel driven at less than 0.04% THD.
Power rating...................................600 Watts continuous average power into 8ohm at any frequency between
....................................20Hz and 20kHz at less than 0.09% THD, bridged. (With fan option installed)
IM Distortion(SMPTE).....................1 watts to 200 watts into 8 ohm, <=0.009%
.....................1 watts to 325 watts into 4 ohm, <=0.009%
.....................1 watts to 600 watts into 8 ohm, <=0.05% (Bridged)
.....................1 watts to 850 watts into 4 ohm, <=0.05% (Bridged)
IM Distortion(CCIF)........................1 watts to 200 watts into 8 ohm, <=0.002%
........................1 watts to 325 watts into 4 ohm, <=0.003%
........................1 watts to 600 watts into 8 ohm, <=0.005% (Bridged)
........................1 watts to 850 watts into 4 ohm, <=0.005% (Bridged)
THD+Noise at 200 Watts into 8 ohms
20Hz.............................................0.004%
1kHz.............................................0.003%
10kHz...........................................0.006%
20kHz...........................................0.010%
THD+Noise at 325 Watts into 4 ohms
20Hz.............................................0.005%
1kHz.............................................0.004%
10kHz...........................................0.015%
20kHz...........................................0.025%
THD+Noise at 600 Watts into 8 ohms, Bridged
20Hz.............................................0.004%
1kHz.............................................0.004%
10kHz...........................................0.02%
20kHz...........................................0.04%
THD+Noise at 850 Watts into 4 ohms, Bridged
20Hz.............................................0.01%
1kHz.............................................0.007%
10kHz...........................................0.05%
20kHz...........................................0.09%
Frequency response......................10Hz to 20kHz, +0, -0.25dB at 1 watt into 8 ohm
Power bandwidth...........................-3dB, 1.7Hz to 100kHz
Dynamic headroom into 4 ohm........2.5dB
SNR(A weighted)............................>110dB (100Watts into 8 ohm)
Gain..............................................27dB
Input impedance.............................100000 ohm
Input sensitivity..............................1.75V rms (100 Watts into 8 ohms)
...............................130mV rms (1 Watt into 8 ohms)
Dampling factor..............................>800 (20Hz to 20kHz)
Rise time.......................................2.3 (6kHz, 120V peak to peak square wave, 20% to 80%)
Power consumption (Continuous, Both channels Driven)
Quiescent.......................................72VA
Maximum.......................................1500VA
200 Watts into 8 ohms....................675VA
325 Watts into 4 ohms...................1180VA
600 Watts into 8 ohms...................1320VA (Bridged)
Dimensions(w x d x h).....................43.5 x 31 x 19 cm
Weight...........................................17 kg
Miscellaneous :
Made in...........................................USA
Condition.........................................9 / 10 (Good condition)
Product information :
http://www.adcom.com/data/manuals/gfa555IImanual.pdf (Online manual) |
