Hutchinson, KS, United States
About this listing
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 & PerformancePower output:75W + 75W (8Ω) hifi-wiki.com90W + 90W (4Ω) hifi-wiki.comDynamic power: 330W (4Ω) hifi-wiki.comTotal harmonic distortion:0.03% at nominal power (8Ω) hifi-wiki.comAs low as 0.004% in some line-level measurements vintagetechnologyarchive.comFrequency response:5Hz–100kHz (Aux, DC on) vintagetechnologyarchive.com5Hz–50kHz (HiFi Engine spec) HiFi EngineDamping factor: 50 (8Ω) vintagetechnologyarchive.comInputs & SensitivityPhono MM: 2.5mV / 47–50kΩ, S/N 80–85dB vintagetechnologyarchive.com+1Phono MC: 0.1mV / 100Ω, S/N ~68dB vintagetechnologyarchive.comLine (Tuner/Aux/Tape): 150mV / 47–50kΩ, S/N up to 110dB vintagetechnologyarchive.com+1Controls & FeaturesBass ±7.5 to ±10dB depending on version vintagetechnologyarchive.com+1Treble ±7.5 to ±10dB vintagetechnologyarchive.com+1Loudness control with multiple boost levels hifi-wiki.comHigh, low, and subsonic filters (various cutoff frequencies) hifi-wiki.comDC‑coupled amplifier with dual power supplies and separate preamp supply vintagetechnologyarchive.comPre/power amp separation via rear jumpers hifi-wiki.comPhysical SpecificationsDimensions: ~430–440 × 149–153 × 370–403 mm (varies slightly by source) vintagetechnologyarchive.com+1Weight: 14.5–16 kg depending on documentation hifi-wiki.com+1Power consumption: 150W (rated), up to 600W max in some listings hifi-wiki.comSummaryThe 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.
Original Price$650
$78 price drop
New Price$572
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