Sansui G 6700 (1978-1980)

Specifications

Feature	Specification
Year of Production	1978-1980
Power Specifications	85W per channel (8Ω), 20Hz-20kHz with no more than 0.05% THD
Impedance	4-16Ω
Sensitivity	Unknown
Key Features	DC power amplifier design, dual power supply, FET differential amplifier, quartz PLL synthesized tuning, 5-gang tuning capacitor, loudness control, tape dubbing, pre-out/main-in jacks

Historical Significance

When Sansui dropped the G 6700 in 1978, they weren’t just releasing another receiver—they were staking a claim at the summit of analog audio engineering. Part of the revered G-series, this machine arrived at the twilight of the golden age of hi-fi, packing technologies that pushed the limits of what stereo receivers could do. With its DC-coupled amplifier design and quartz-locked tuning, the G 6700 wasn’t just built to last; it was engineered to outperform nearly everything on the market. This was high fidelity with muscle, precision, and a quiet confidence that only top-tier Japanese craftsmanship could deliver.

Sound Signature

Powerful, yet never coarse—the G 6700 delivers sound with startling clarity. Bass is tight and authoritative, mids are smooth and natural, and highs shimmer without ever turning harsh. It’s a transparent presentation, one that reveals layers in recordings you might’ve missed on lesser gear. Thanks to its ultra-low distortion and wide dynamic range, music unfolds with realism and presence, whether you're spinning vinyl, cassettes, or tuning into FM broadcasts. This is the kind of receiver that doesn’t just play music—it pulls you into it.

Maintenance and Restoration Tips

After 40+ years, most G 6700 units need some TLC. Electrolytic capacitors are likely dried out—recapping the power supply is almost a given for safe, reliable operation. Pots and switches benefit from a good cleaning to eliminate crackles and dropouts. The tuning dial bulbs often burn out, so keep a spare on hand. Some units may trigger protection circuits due to aging components, but with proper servicing, this receiver can run as quietly and confidently as it did in 1979.