GFA-565 vs GFA-7805
The GFA-7805's signal-to-noise is 112 dB against the GFA-565's 115 dB and its damping factor >500 against >1000. Both share power @ 8ω (300W) and power @ 4ω (450W).
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$1,000
Around — community and catalog average, updates slowly
About the GFA-565
The Adcom GFA-565 is a mono solid-state high-current power amplifier introduced in 1989. It is rated at 300 watts into 8 ohms, 450 watts into 4 ohms, and 850 watts into 2 ohms, and it offers optional balanced inputs and optional cooling fans for improved thermal management.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 300W @ 8Ω
- Power @ 4Ω
- 450W @ 4Ω
- Damping Factor
- >1000
- Minimum Impedance
- 2Ω
- Input Sensitivity
- 2.1V RMS
Analog Output
Analog signal output specifications
- THD
- 0.020%
- SNR
- 115 dB
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 431.8 × 209.55 × 292.1 mm (W × H × D)
- Weight
- 20.41 kg (45 lbs)
Key Specifications
Power: 300W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions