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.
Original price was: $1,549.00.$1,394.10Current price is: $1,394.10.
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Dynamic Sound
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.
Low Distortion
Great care was taken to insure that distortion in the amplifier
would remain extremely low, particularly when driving these highly reactive loads
in which the phase angles of the voltageand the current are substantially different.
PRODUCT GALLERY
TECHNICAL SPECIFICATIONS
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.
Power
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
Weight
28.6lbs.(13kg)
Shipping Weight: 33lbs.(15kg)
Note: For more technical specs, please refer to the attached user manual & Spec
What People Say?
“Adcom GFA-555ms is the latest version of the legendary Nelson Pass designed amp priced at $1,399 today.”
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Q & A
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Can the gfa 555ms be shut off daily? What would be the best option for shutting down the amp , daily , weekly etc?
Thank you for interested in ADCOM.
The GFA-555ms can be turned off and on whenever you want.
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What is the MAX current draw of this unit during operation at max output
Power Consumption (Continuous, Both Channels Driven)
Quiescent 48VA
Maximum 900VA
125 watts into 8 ohms 420VA
200 watts into 4 ohms 730VA
400 watts into 8 ohms, bridged 800VA
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Review
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David McCray
Verified OwnerFast shipping and a fantastic amp.
2 months ago
1 review for GFA-555ms
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David McCray (Verified Owner) –
Fast shipping and a fantastic amp.