GFA-555 vs Audiolab 8300XP
The 8300XP's power @ 8ω is 140W against the GFA-555's 200W, its signal-to-noise 113 dB against 110 dB, its power @ 4ω 230W against 325W, and its damping factor >100 against >800.
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$600
Around — community and catalog average, updates slowly
About the GFA-555
The Adcom GFA-555 is a powerful stereo power amplifier designed to deliver high-quality audio performance. It is capable of producing 200 watts per channel into 8 ohms and 325 watts into 4 ohms, with a total harmonic distortion (THD) of 0.09% across a frequency range of 20Hz to 20kHz. In bridged mono mode, it can output 600 watts into 8 ohms. The amplifier features a damping factor of 800, a gain of 27 dB, and an input sensitivity of 1.75V. It is built with 42 transistors and other semiconductor components, ensuring reliable operation. The dimensions are 17 inches wide, 7 inches high, and 11.5 inches deep, with a weight of approximately 16 kg.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 200W @ 8Ω
- Power @ 4Ω
- 325W @ 4Ω
- Damping Factor
- >800
- Minimum Impedance
- 4Ω
- Input Sensitivity
- 1.8V RMS
Analog Output
Analog signal output specifications
- THD
- 0.090%
- SNR
- 110 dB
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 431.8 × 177.8 × 292.1 mm (W × H × D)
- Weight
- 16 kg (35 lbs)
Key Specifications
Power: 200W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions