Kenwood KT-6500 (1977–1979)
At 8.5 kg, it lands on the rack with a solid thud. Late-'70s Japanese engineering, no frills, all function.
Overview
The Kenwood KT-6500 has no glowing VU meters and no walnut cladding. It is a serious AM/FM stereo tuner from the golden stretch of analog broadcast fidelity. It was released between 1977 and 1979 and has the no-nonsense look of its era: clean silver faceplate, recessed function switches, and a layout that puts signal integrity ahead of flash. Owners report it was sold under both the Kenwood and Trio-Kenwood names, a branding quirk common in international audio markets at the time. It is a tuner for listeners who cared about lockable stereo reception, low distortion, and pulling in weak stations without noise swamping the music. It's a tool, built to spec, and built well.
The KT-6500 doesn't have the legendary status of some contemporaries, but the spec sheet shows a machine tuned for real-world performance. The front end uses five FM gangs, with dual gangs allocated to the local oscillator. That improves stability and reduces drift, which mattered in the crowded FM bands of the late '70s. Kenwood wasn't cutting corners, even in what appears to be a mid-tier offering. The digital signal-strength meter in dB was still relatively novel at this price point, and it gives precise feedback on station quality instead of a sweeping analog needle. It's also reportedly RDS-capable and designed to work with remote control systems, which is forward-looking for an analog-core tuner.
Specifications
| Manufacturer | Kenwood |
| Product type | AM/FM stereo tuner |
| Usable Sensitivity | 10.8 dBF (2.0 µV / 75 ohms) |
| Signal-to-Noise Ratio | 70 dB |
| Total Harmonic Distortion | 0.15% |
| Capture Ratio | 1.5 dB |
| Alternate Channel Selectivity | 70 dB |
| Image Rejection | 80 dB |
| IF Rejection | 90 dB |
| Spurious Response Rejection | 80 dB |
| AM Suppression | 55 dB |
| Stereo Separation | 40 dB |
| Frequency Response | 30-15,000 Hz ±1.0 dB |
| Output Level | 750 mV |
| Dimensions (W x H x D) | 440 x 145 x 330 mm |
| Weight | 8.5 kg |
Key Features
Five-Gang FM Front End with Dual Oscillator Design
The KT-6500's RF section uses five FM gangs, two of them dedicated to the local oscillator. Owners note this was intended to improve tracking accuracy and reduce phase noise, which helps maintain stereo lock and keeps distortion down on marginal signals. It's a design more common in higher-end tuners of the period, so Kenwood put serious engineering into the core performance.
Digital Signal-Strength Meter in dB
Most tuners of its class have an analog S-meter. The KT-6500 has a digital readout calibrated in decibels. It gives a precise, repeatable measurement of incoming signal strength, so optimizing antenna placement or fine-tuning reception takes less guesswork. Measurement-based tuning like this was a rarity outside professional gear at the time.
RDS and Remote Control Capability
Despite its unassuming appearance, the KT-6500 supports RDS (Radio Data System), which lets it decode station identification and program information. That was ahead of its time for a tuner in this segment. It's also built to interface with remote control units, which suggests Kenwood saw it as part of a broader, integrated system rather than a standalone component.
Classic Silver-Face Aesthetic with High-Quality Build
Owners consistently point to the silver-face front panel and the solid construction. The chassis feels dense and well-shielded, typical of Japanese audio gear from the late 1970s. There's no wood or chrome, just milled aluminum, precise switch detents, and a utilitarian layout.
Historical Context
The Kenwood KT-6500 entered the market between 1977 and 1979, when FM stereo broadcasting was maturing and audiophiles were demanding better selectivity and lower distortion from their tuners. It shared a product line with the KT-5500, which suggests a tiered strategy within Kenwood's tuner range. At launch it carried an approximate price of $200 in the US or 598 DM in Germany, solidly mid-range for a feature-rich FM/AM stereo tuner of its caliber. It was aimed at serious listeners who wanted performance without the premium price of flagship models.
Collectibility & Value
Detailed market data is sparse. One European eBay listing from recent years showed a tested unit priced at approximately $184.14, which suggests strong demand among collectors. The listing described it as a "sought-after collector's item known for its quality craftsmanship and reliable performance." Its reputation isn't universally settled, though. Some owners still question, "Is it a decent tuner?" while others recall its sound with fondness, noting, "If my aural memory serves, the sound is between..."
Market Value
┌──────────────────────────────────────────────────────────────────────────┐ │ KENWOOD KT-6500 Nov 2026 │ ├──────────────────────────────────────────────────────────────────────────┤ │ High $3,364 Latest $100 │ │ Median $136 Trend — │ │ Low $80 Volume ~1/mo │ ├──────────────────────────────────────────────────────────────────────────┤ │ $4,000 ┤ │ │ │ │ │ │ . │ │ $2,307 ┤ │ │ │ │ │ │ │ │ │ │ │ $50 ┤. .. . . . . . .│ │ ├─────────────────────────────────────────────────────────────────│ │ vol │█ ██ █ █ █ █ █ █ █│ │ └─────────────────────────────────────────────────────────────────│ │ 2026-01 2026-05 2026-08│ └──────────────────────────────────────────────────────────────────────────┘
eBay completed sales. Excludes accessories, parts, and non-working units. Hover points for details.
eBay Listings
Recently sold on eBay: $90–$218 (median $136, based on 10 completed sales, past 12 months)
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