HK-775 vs Rotel RB-980BX
The RB-980BX's power @ 8ω is 120W against the HK-775's 130W, its signal-to-noise 120 dB against 123 dB, and its power @ 4ω 180W against 90W. Both share thd (0.030%).
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$348.79
Around — community and catalog average, updates slowly
About the HK-775
The Harman Kardon HK775 is a high-end mono power amplifier from the HK 700 series, manufactured between 1980 and 1983 in Japan. It features an ultra-wideband DC design with impressive specifications including 130W RMS output into 8Ω, extremely low distortion, high damping factor, and wide frequency response. Known for its timeless silver design and powerful performance, it was originally priced at approximately $425 USD per monoblock. These vintage amplifiers are sought after in the used market, often paired with HK725 preamps or HK715 tuners.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 130W @ 8Ω
- Power @ 4Ω
- 90W @ 4Ω
- Damping Factor
- >100
- Minimum Impedance
- 4Ω
- Input Sensitivity
- 1.2V RMS
- Input Impedance
- 24000Ω
Analog Output
Analog signal output specifications
- THD
- 0.030%
- SNR
- 123 dB
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 385 × 72.5 × 320 mm (W × H × D)
- Weight
- 10.1 kg (22 lbs)
- Available Colors
- Silver
Key Specifications
Power: 130W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions