Description
Sansui AU-217 Integrated Stereo Amplifier – yep, “super sound quality” is right. This is one of the sweet-spot models from Sansui’s late-70s lineup. Made in Japan
Full Specs
| **Spec** | **Detail** |
| **Power output** | 30 watts per channel into 8Ω stereo. Some listings also call it 40W |
| **Frequency response** | 10Hz to 50kHz |
| **THD** | 0.06% |
| **Damping factor** | 80 |
| **S/N ratio** | 76dB MM phono, 94dB line |
| **Input sensitivity** | 2.5mV MM phono, 150mV line |
| **Channel separation** | 65dB MM, 68dB line |
| **Speaker impedance** | 8Ω minimum |
| **Size/Weight** | 430 x 110 x 340mm, 8.4kg |
| **Build** | 30 transistors, 21 diodes |
8c40
Key Features & Why People Love It
"Value for money 40 watt stereo integrated amplifier" - It’s the entry model in the AU-x17 series, but punches way above its weight
Excellent MM phono stage - If you run vinyl, this is a big deal. Clean, quiet, very musical phono preamp
High precision pre-amplifier controls - Bass, Treble, Balance, Volume, Loudness, Hi Filter, Tape Monitor
Classic Sansui house sound - Warm, smooth, full-bodied mids. Not sterile or analytical. “Powered my B&W 602’s beautifully and delivers the bass”
Build quality - “End of the ‘Golden Era’ of Japanese hi fi when they still used the best parts available and designed for a long life”
Blackface styling - Looks great with the blackface plates. Some units came with rack handles 8c40e8ee
Sound Signature
Owners describe it as:
Musical & engaging vs clinical
Strong, even output with 35 robust watts per ch
Great with bass despite the modest wattage
Pairs well with revealing speakers like Yamaha NS-690II, B&W 602 e8ee
Common Companions
Often sold with the TU-217 tuner as a combo. The TU-217 offers "advanced technology and excellent AM/FM stereo reception" 8c40
What to Watch For
Age - These are 45+ years old. If not serviced: scratchy pots, DC offset, tired caps. A “pro bench test and tune up” makes a huge difference
Power rating confusion - Spec sheets say both 30W and 40W. Real-world is ∼30-35W RMS, which is plenty for 8Ω 90dB+ speakers
Speaker matching - Stick to 8Ω minimum. Works great with efficient speakers like your Yamaha NS-690II e8ee8c40
Verdict
The AU-217 is “an excellent amp to begin your vintage Sansui experience”. It’s simple, sweet, reliable, and has that warm Sansui magic that made the brand legendary.