ADCOM GFA-555ms Power Amplifier

Home|Amplifiers|Multi-channel Amplifiers|ADCOM GFA-555ms Power Amplifier

ADCOM GFA-555ms Power Amplifier


For those who desire the power finesse in a two-channel amplifier, look no further than GFA-555ms. The GFA-555ms amplifier can drive a very broad range of loudspeakers, including those with very low impedances, at sustained high-power levels, even when the impedances are highly reactive.


GFA-555ms runs on 200 W into 4 ohms, takes both Unbalanced and Balanced inputs and drives your speakers with 40+40 Watts of high performance, ultra low distortion power output all from a neat package. We have engineered an uncompromised circuit design that delivers ultra-low distortion and a crisp dynamic sound. It all adds up to a startlingly vivid and highly impactful musical performance that will put more energy into your loudspeakers as well as control them like never before.

Output Power:
125 watts into 8 ohms
200 watts into 4 ohms
400 watts into 8 ohms, bridged

Frequency Resp.:
@ 1watt, 8-ohms: +0. -0.25dB, 10Hz to 20kHz
Power Bandwidth (-3dB): 10Hz to 100kHz

Input Impedance:
100,000 ohms.

120VAC & 230VAC / 50-60Hz Damping Factor >400, 20Hz to 20kHz

Input Sensitivity:
1.38V rms, 125W into 8 ohms 123mV rms, 1W into 8 ohms.

Max Dimensions:
6” x 17” x 12.5” 152mm x 432mm x 318mm

Shipping Weight: 33lbs.(15kg)

Additional information

Weight33 lbs

Verified by ExactMetrics