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GFA-555se
Power Amplifier


The classic award winning amplifier design
of the original GFA-555mkII has been reborn.
The Adcom GFA-555 represents the most advanced thinking
in audio amplifier design. It offers exceptional value
and superior performance at a reasonable price.


GFA-555se
Power Amplifier


The classic award winning amplifier design of the original GFA-555mkII has been reborn. The Adcom GFA-555 represents the most advanced thinking in audio amplifier design. It offers exceptional value and superior performance at a reasonable price.

PRICE: $1299
Free shipping world wide.




Legacy

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 are much in demand after so much time is strong testament to their value and durability.


Legacy

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 are much in demand after so much time is strong testament to their value and durability.


Better Sound Deliver

We have worked long and hard to ensure that the GFA-555se improves upon it’s original eminent version in key areas,
delivering even better performance. Externally, the chassis footprint and front panel design are identical to the original.
Internally, all circuitry has been upgraded to meet ETL/ETLc, FCC, LVD and CE/EMC requirements using UL approved FR-4 printed circuit boards.
High performance component selections include ultra low ESR electrolytic capacitors.
The result of these improvements is lower distortion, better dynamic range,
improved damping factor and greater stability and separation of individual instruments on the sound stage.


Better Sound Deliver

We have worked long and hard to ensure that the GFA-555se improves upon it’s original eminent version in key areas, delivering even better performance. Externally, the chassis footprint and front panel design are identical to the original. Internally, all circuitry has been upgraded to meet ETL/ETLc, FCC, LVD and CE/EMC requirements using UL approved FR-4 printed circuit boards. High performance component selections include ultra low ESR electrolytic capacitors. The result of these improvements is lower distortion, better dynamic range, improved damping factor and greater stability and separation of individual instruments on the sound stage.



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TECHNICAL SPECIFICATIONS



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
36lbs (16.3kg)
Shipping weight:39lbs (18kg)
Input Sensitivity
1.75V rms, 200W into 8 ohms.
130mV rms, 1 W into 8 ohms.
Damping Factor
≥ 900, 20Hz to 20kHz.
download user manual & spec

Note: For more technical specs, please refer to the attached user manual.




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