Kenwood KA-8100 1977 - Silver
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One of the good ones from back in the day has your normal scratches and scuffs, works like it should. I am the second owner of this unit, and it's been well taken care of. The Kenwood KA‑8100 is a 1977–1979 DC‑coupled integrated amplifier rated at 75W per channel into 8Ω, 90W into 4Ω, with 0.03% THD and a frequency response extending from roughly 5Hz to 50kHz depending on source. Core Power & Performance
- Power output:
- 75W + 75W (8Ω) hifi-wiki.com
- 90W + 90W (4Ω) hifi-wiki.com
- Dynamic power: 330W (4Ω) hifi-wiki.com
- Total harmonic distortion:
- 0.03% at nominal power (8Ω) hifi-wiki.com
- As low as 0.004% in some line-level measurements vintagetechnologyarchive.com
- Frequency response:
- 5Hz–100kHz (Aux, DC on) vintagetechnologyarchive.com
- 5Hz–50kHz (HiFi Engine spec) HiFi Engine
- Damping factor: 50 (8Ω) vintagetechnologyarchive.com
Inputs & Sensitivity
- Phono MM: 2.5mV / 47–50kΩ, S/N 80–85dB vintagetechnologyarchive.com+1
- Phono MC: 0.1mV / 100Ω, S/N ~68dB vintagetechnologyarchive.com
- Line (Tuner/Aux/Tape): 150mV / 47–50kΩ, S/N up to 110dB vintagetechnologyarchive.com+1
Controls & Features
- Bass ±7.5 to ±10dB depending on version vintagetechnologyarchive.com+1
- Treble ±7.5 to ±10dB vintagetechnologyarchive.com+1
- Loudness control with multiple boost levels hifi-wiki.com
- High, low, and subsonic filters (various cutoff frequencies) hifi-wiki.com
- DC‑coupled amplifier with dual power supplies and separate preamp supply vintagetechnologyarchive.com
- Pre/power amp separation via rear jumpers hifi-wiki.com
Physical Specifications
- Dimensions: ~430–440 × 149–153 × 370–403 mm (varies slightly by source) vintagetechnologyarchive.com+1
- Weight: 14.5–16 kg depending on documentation hifi-wiki.com+1
- Power consumption: 150W (rated), up to 600W max in some listings hifi-wiki.com
Summary
The Kenwood KA‑8100 is regarded as a high‑performance late‑1970s integrated amplifier featuring DC‑coupled design, dual power supplies, low distortion, and excellent phono capability, making it one of Kenwood’s most respected vintage units.
This item is sold As-Described
This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.
| Listed | 2 days ago |
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| Condition | Very Good (Used) Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more |
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