Kenwood KA-9300 (1979)

At 430 mm wide and clad in silver, it occupies space like a statement—this was Kenwood’s top-tier integrated amplifier when it launched.

Overview

The Kenwood KA-9300 emerged in 1979 as a flagship stereo integrated amplifier, representing the peak of the brand’s engineering at the time. Marketed under both the Kenwood and Trio names—appearing in listings as "Trio/Kenwood KA-9300" or even "Supreme 600"—it carried the prestige of Japanese high-fidelity design during a competitive era for solid-state amplification. delivering 120 watts per channel into 8 ohms, with some sources listing a continuous output of 2x 130W RMS under test conditions. Its front panel layout, typical of late-1970s high-end gear, prioritized functionality with clearly delineated inputs and controls, while the silver finish and robust chassis signaled its premium status.

Despite its reputation as a "top model amplifier," detailed technical documentation on the KA-9300’s internal architecture is scarce. What is clear is its connectivity: it features line and DIN inputs with sensitivities of 150mV/80kΩ and 80mV/150kΩ respectively, and offers multiple speaker outputs labeled Direct, A, and B, allowing for flexible system configuration. The amplifier was made in Japan, a mark of quality at the time, and its dimensions—430 x 149 x 376 mm—make it slightly more compact than many of its contemporaries, though still substantial on a rack.

Specifications

ManufacturerKenwood
Product typeStereo Integrated Amplifier
Production years1979
Power output120 watts per channel into 8Ω
Continuous output (with distortion factor) 8 Ohm2x 130W (RMS)
Input sensitivity (Line)150mV, 80 kOhm
Input sensitivity (DIN)80mV, 150 kOhm
Loudspeaker outputsDirect, A, B
Power consumption290 W
Made inJapan
ColorSilver
Dimensions (WxHxD)430 x 149 x 376 mm

Collectibility & Value

The Kenwood KA-9300 remains a sought-after model among collectors of vintage Japanese audio, though verified market data is limited. A used unit was listed for C$955.02 on Reverb, and another appeared for sale, indicating ongoing interest. One notable aftermarket development is the availability of an upgrade kit to replace the original speaker terminals, which were designed for older connector types, with modern binding posts—suggesting that while the amplifier survives in circulation, usability upgrades are sometimes necessary. No widespread reports of inherent failures or maintenance issues have been documented, but the absence of detailed service records or common fault patterns means potential buyers should inspect units carefully.

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