Luxman WL700G (c. 1974)
The Luxman WL700G is a compact FM/AM tuner from the mid-1970s. It sold in Japan for ¥47,000 and was meant as the matching tuner for Luxman's 700 series amplifier. Documentation is thin. No period reviews or owner accounts have surfaced in the research. The spec sheets that survive describe a straightforward, well-built analog tuner from Luxman's solid-state era.
The parts count is modest: 20 transistors, a single FET, and two ICs, plus a muting circuit and an FM noise filter. FM numbers were respectable for the period. IHF practical sensitivity is 2.2 µV, two-signal selectivity is 50 dB, capture ratio is 2.2 dB, and signal-to-noise ratio is 60 dB. Distortion is rated at no more than 0.6%, and output voltage is 750 mV. The AM section is more basic, with 400 µV/m sensitivity and a 50 dB signal-to-noise ratio.
It is a small unit at 400 mm wide, 130 mm high and 245 mm deep, and it weighs just 4.4 kg. That suits a component meant to sit next to a modest integrated amplifier rather than anchor a flagship system.
Known specifications:
- FM IHF practical sensitivity: 2.2 µV
- FM two-signal selectivity: 50 dB
- FM capture ratio: 2.2 dB
- FM S/N ratio: 60 dB
- FM distortion: ≤0.6%
- FM output: 750 mV
- AM IHF practical sensitivity: 400 µV/m
- AM S/N ratio: 50 dB
- Dimensions: 400 × 130 × 245 mm (W×H×D)
- Weight: 4.4 kg
- Original price: ¥47,000 (c. 1974)
The "D" suffix in the model designation, WL700G(D), appears in the spec databases, but nobody has documented what it means. Production start and end dates are also unconfirmed beyond the approximate 1974 price reference. If you own one and can add anything about how it sounds or what the "D" stands for, the archive would welcome the record.
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