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$1,699
GFA-555se power amplifier represents the pinnacle of ADCOM’s audio engineering. This Nelson Pass design broke ground when it came out in the 80’s, getting rave reviews and providing tank-like reliability at a decent price. That these audio power amplifiers are still much in demand after so much time is a strong testament to their value and durability.
Output Power
200 watts per channel, 8 ohms
300 watts per channel, 4 ohms
600 watts, 8 ohms BRIDGED
Frequency Resp.
@ 1watt, 8-ohms:
10Hz to 20kHz +0, -0.25dB
Power Bandwidth (-3dB):
1.7Hz to 100kHz
Input Impedance
100k ohms unbalanced
10k ohms balanced
Power:
120VAC & 230VAC / 50-60Hz
Max Dimensions
7-1/2” x 12-1/2” x 17”
191mm X 318mm X 432mm
Weight
Input Sensitivity
1.75V rms, 200W into 8 ohms.
130mV rms, 1 W into 8 ohms.
Damping Factor
≥ 900, 20Hz to 20kHz.
*conditions applied