69 capacitors, 20 transistors, etc. have been replaced and completely overhauled! Sansui's popular premain amplifier. It entertains me with a powerful sound typical of Sansui from the 70s. The thickness of the mid-range is particularly attractive, and the impression is that you can hear a wide range of thick sounds, such as jazz, rock, and vocals. The exterior has dullness, scratches, etc. (ASAINE Tomonori)
Maintenance information: 2025.4.19 Maintained (capacitor, transistor, diode, semi-fixed resistor, heat dissipation sheet, fuse, lamp, SP terminal replacement. Various SW/VR cleaning. After removing old solder from each board, re-soldering, circuit adjustments, various input tests, audio output confirmation of all SP terminals, repolishing the VR disassembly contacts, and applying grease to prevent oxidation and sulfidation. Input/output waveform confirmation, rated output test (1kHz sine wave, 8Ω load: 40W+40W) sound output test)
Accessories: No accessories
Main specifications: 40W+40W (8Ω) W440×H140×D322mm weight 12.7 kg