Adcom GFA-5500 User manual
GFA-5400
GFA-5500
GFA-5802
Number of channels
2
2
2
Watts per channel into 8 ohms
125
200
300
Watts per channel into 4 ohms
200
350
450
Bridged power @ 8 ohms
n a n a n a
Rated THD
0.018% 0.018% 0.018%
THD + noise at full power into
8ohms 4ohms typical
20Hz 0.018% 0.018% 0.018% 0.018% 0.015% 0.025%
1kHz 0.020% 0.020% 0.020% 0.020% 0.020% 0.025%
20kHz 0.140% 0.165% 0.130% 0.160% 0.150% 0.150%
Input required for 1 watt output
0.1 volt
0.1 volt
0.1 volt
Input required for rated output
1.125 volts
1.4 volts
1.7 volts
Dynamic headroom into 4 ohms
1.7dB
1.7dB
2.3dB
IM distortion CCIF full power any
combination 4kHz to 20kHz <0.035% <0.035% <0.075%
Frequency Response
20Hz to 20kHZ
+0, -0.25dB
+0, -0.25dB
+0, -0.25dB
Power bandwidth (-3dB)
3Hz to 130kHz
3Hz to 130kHz
3Hz to 130kHz
Gain
29dB
29dB
29dB
Input impedance: Unbalanced
49.9k ohms
49.9k ohms
105k ohms
Input impedence: Balanced
n a
n a
10k ohms
Signal to noise ratio "A" weighted at
rated power into 8 ohms >100dB >100dB >105dB
Power consumption
(all channels dri en)
Quiescent
150VA
192VA
540VA
Maximum
960VA
1440VA
1140VA
Dimensions (inches) HxWxD
Chassis 5 x 17 x 11½ 7 x 17 x 13 14 x 17 x 8
Maximum
5½ x 17 x 12½
7º x 17 x 14
15½ x 17 x 8º
Weight (lbs)
Net
26.0
44.0
48.0
Packed
30.0
50.0
55.0
Home Audio Power Amps
ADCOM, LLC
8541 East Anderson Drive
Scottsdale, AZ 85255 Home Audio Power Amps
Tel: 480.607.2277
Fax: 480.348.9876
Email: [email protected]
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