Kenwood KAC-920
The Kenwood KAC-920 is a 2-channel car audio power amplifier. The record on this one is thin - no production years or original price have surfaced. The specs that do exist describe a compact budget-to-midrange amp of its era.
It was rated at 25W×2 into 4Ω, stepping up to 45W×2 into 2Ω, and could be bridged to deliver 90W×1 into 4Ω. THD was spec'd at 0.08% (20Hz–20kHz, 4Ω) with a 95dB S/N ratio (IHF A-weighted). Frequency response ran 10Hz–50kHz (+0/−3dB). The amp used a MOSFET power supply, included a digital indicator, and had an input signal level switch to match head unit output. Input sensitivity is where sources disagree — one lists 0.2V, another 0.3V–5V — so take either figure with some caution. Physically, it measured 260×61×203mm and weighed 2.4kg.
High Fidelity (May 1988, p.42) briefly covered the KAC-920 among car stereo amps of the period. The surviving OCR of that piece is too degraded to pull out any specific commentary.
Known specs:
- Power output: 25W×2 (4Ω), 45W×2 (2Ω), 90W×1 bridged (4Ω)
- THD: 0.08% (20Hz–20kHz, 4Ω)
- S/N ratio: 95dB (IHF A)
- Frequency response: 10Hz–50kHz (+0/−3dB)
- Input impedance: 10kΩ
- Operating voltage: 13.2V DC
- Dimensions: 260×61×203mm; weight: 2.4kg
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