Sansui BA 7000 (1978-1980)
Specifications
| Feature | Specification |
| Year of Production | 1978-1980 |
| Power Specifications | 200W per channel (8Ω), 300W per channel (4Ω), stereo |
| Impedance | 4-16Ω |
| Sensitivity | 1.2V for full output |
| Key Features | Dual mono construction, massive toroidal transformer, fully discrete circuitry, DC servo amplifier design, dual power meters, balanced XLR inputs, speaker protection relay, massive heat sinks |
Historical Significance
Flagship power amplifier from Sansui's X-balanced series, representing the pinnacle of their engineering during the late 1970s. One of the most powerful and well-built amplifiers of its era, competing with top offerings from McIntosh and Pioneer.
Sound Signature
Exceptionally clean, powerful, and neutral with excellent control over speakers. Tight, deep bass response, detailed midrange, and extended highs. Known for its authority and dynamic capability without coloration.
Maintenance and Restoration Tips
Aging capacitors, particularly in power supply and protection circuits. Meter backlight bulbs may need replacement. Speaker relay contacts can become oxidized. Heavy weight requires careful handling. Original thermal paste may need refreshing.
Collectibility and Market Value
- Market Value: $1,500-$3,000 depending on condition and restoration status
- Collectibility Rating: 9/10
eBay Listings
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.
Related Models
- Sansui PM C100 (Unknown)
- Sansui 6060 (1975-1977)
- Sansui 551 (1973-1975)
- Sansui AU 555 (1968-1971)
- Sansui CA 3000 (1974-1977)
- Akai AM-2850 (1975)
- Akai AP-206 (1975)
- Nakamichi BX-1 (1985)
- Acoustic Research research-ar-17 (1978)
- Acoustic Research AR-19 (1994)