Kenwood KT-3080
The Kenwood KT-3080 is a stereo synthesizer FM/AM tuner, listed at ¥32,000 (around 1997) in its Japanese domestic market. It's a big black box - 440mm wide, 93mm high and a deep 379.5mm, weighing 3.3kg. One contemporary review said it gave "an impression of grandeur and solidity," even if much of that heft is simply the metal chassis. It was sold as part of a Kenwood "audio комплект" (system bundle) alongside the KA-3080R integrated amplifier, DP-3090 CD player and LS-130 speakers, with two remote controls.
The KT-3080's main feature is its "Active Reception" circuit. Hold down the Active Reception key while changing frequency - tuning up or down, or recalling a preset - and the built-in microcomputer checks incoming signal strength and adjacent-channel interference. It then switches the IF bandwidth, RF attenuator and antenna input A/B on its own to maintain the best possible reception. The IF band can also be set manually to Wide or Narrow. An RF attenuator switch tames strong adjacent stations that cause cross-modulation distortion. Two switchable FM antenna inputs are provided, along with a discrete five-segment signal strength meter.
Beyond the reception aids, the KT-3080 has 40 random-access presets and an RDS system with EON (Enhanced Other Networks) capability. A large rotary knob can also cycle through 15 RDS program types. The display shows eight large characters for frequency, station name or preset number. There's a mono/stereo switch, line outputs, and a pair of special ports for connecting to compatible Kenwood components in a pass-through chain.
FM performance is solid on paper: mono sensitivity of 1.6 µV (15.2 dBf), signal-to-noise of 80dB mono / 75dB stereo, and stereo separation of 52dB at 1kHz. Harmonic distortion is rated at 0.05% mono and 0.09% stereo. One review noted the tuner's "high quality and purity" on FM stereo reception, though it found the tuning knob somewhat tight on a new unit. The FM band covers 76-90 MHz, which is the Japanese FM allocation. Outside Japan, that means it won't tune standard 88-108 MHz stations.
Surviving documentation on the KT-3080 is thin. Production years aren't recorded, and no original manual has surfaced in the research. Used examples have appeared on European classified sites — one serviced unit at €59, another at €35 — suggesting some units made their way out of Japan, but there's no established collector market data for the standalone tuner. What's clear is that this was a thoughtfully engineered late-'90s tuner with unusually aggressive reception management, aimed at listeners who cared about pulling in clean signals under difficult conditions.
- FM: 76–90 MHz, 75Ω unbalanced antenna input
- AM: 531–1602 kHz
- 40 presets, RDS with EON
- Active Reception auto-tuning circuit (IF band, RF attenuator, antenna A/B)
- Output: FM 0.6V / 0.6kΩ; AM 0.18V / 0.6kΩ
- 440 × 93 × 379.5 mm, 3.3 kg
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