※At the lower level of the bar graph meter, the L side swings higher. Maintained! Sansui's separate power amplifier with excellent low-frequency volume and driving power. It is a masterpiece made by putting in the highest amount of material at the time. It has a low range with a sense of scale that cannot be heard with amplifiers of recent years, and JBL's 4343 class speakers also drive with plenty of room. On the exterior, there are parts of the side panels peeling off (Hiura Katsutsugu)
Maintenance information: 2023.7.5 Maintained (switch disassembly, contact polishing. (Semi-fixed volume exchange, DC balance, idling current adjustment.)
Accessories: none
Main specifications: digital meter with balance input effective output 300W+300W (8Ω) 880W+880W (2Ω) W474 x H215 x D498 mm 36 kg
Maintained! A separate power amplifier from Sansui that has an excellent sense of volume and driving power in the low frequencies. It is a masterpiece created by putting in the highest quantity of materials at the time. It's a low frequency with a sense of scale that can't be heard with amplifiers these days, and JBL's 4343 class speakers can drive with plenty of room. A feeling of use such as rust, abrasions, and dullness can be seen on the exterior and terminals (Kobayashi Hitoshi)
Maintenance information: 2023.5.24 Maintained (input changeover switch disassembly contact polishing, LEVEL switch x 4 disassembly contact polishing. Speaker relay replacement. Flat amplifier and power amplifier built-in constant current diode replacement. Semi-fixed volume replacement for power amplifier adjustment. (Overall adjustment)
Accessories: instruction manual
Main specifications: with balanced input, digital meter effective output 300W+300W (8Ω) 880W+880W (2Ω) W474 x H215 x D498 mm 36 kg
The price has been reduced! 2023/1/30 sales price 250,000 yen 2021.3.18 Maintained! A separate power amplifier from Sansui that has an excellent sense of volume and driving power in the low frequencies. It is a masterpiece created by putting in the highest quantity of materials at the time. It's a low frequency with a sense of scale that can't be heard with modern amplifiers, and JBL's 4343 class speakers can drive with plenty of room. On the exterior, there are scratches on the top plate and peeling of the wood part. Serial 216030010 (Satoshi Yonejima)
Maintenance information: 2023.1.30 operation confirmed 2021.3.18 maintained (power amplifier, flat amplifier adjustment volume replacement. Power amplifier diode replacement. Input switch disassembly contact polishing. Overall adjustments. DC drift will inevitably occur due to fluctuations in time, temperature, power supply, etc. adjusted to the best point) 2021.12.26 Maintained (transistor in flat amplifier, diode replacement. Switch and volume cleaning. (Overall adjustment)
Accessories: copy of instruction manual
Main specifications: with balanced input, digital meter effective output 300W+300W (8Ω) 880W+880W (2Ω) dimensions W474 x H215 x D498 mm weight 36 kg
Significantly reduced price! 2021/6/27 sales price 250,000 yen maintained! Sunsui's separate power amplifier with outstanding low volume and driving power. It is a masterpiece created by putting the highest amount of goods at that time. In the low range with a sense of scale that you can't hear with recent amplifiers, JBL's 4343 speakers will drive with plenty of room. Appearance has a top plate line scratch or wood part peeling etc. Serial 656042367 (YONEJIMA Satoshi)
Maintenance information: 2021.3.3 Maintained (relay replacement and inspection adjustment work. In addition, disassembly and cleaning work of attenuator, display polarizer replacement, solder modification of main base points. (Overall adjusted)
Accessories: instruction manual
Main specifications: With balanced input, digital meter effective output 300W+300W (8Ω) 880W+880W (2Ω) Dimension W474 × H215 × D498mm Weight 36kg
MAINTENANCE! Sunsui's separate power amplifier with outstanding low volume and driving power. It is a masterpiece created by putting the highest amount of goods at that time. In the low range with a sense of scale that you can't hear with recent amplifiers, JBL's 4343 speakers will drive with plenty of room. In appearance, there is a top plate thread and wood part peeling etc. Serial 608036314 (YONEJIMA Satoshi)
Maintenance information: 2018.5.20 Maintained (overhaul of the entire base due to degradation of transistors, capacitors and diodes in flat amplifiers)
Main specifications: With balanced input, digital meter effective output 300W+300W (8Ω) 880W+880W (2Ω) Dimension W474 × H215 × D498mm Weight 36kg
Maintened! Sansui's separate power amplifier with outstanding low volume and driving force. It is a masterpiece made by putting the best volume of the time. JBL's 4343 class speakers also drive with plenty of energy that cannot be heard with recent amplifiers. Appearance, there are top line scratches and wood part peeling etc. Serial 215040025 (Satoshi Yonejima)
Maintenance Information: 2021.5.15 Maintenance (Transistor replacement in flat amplifier, diode replacement. Power circuit resistor replacement. Input switch disassembly contact polishing. (DC balance, bias current adjustment)
Accessories: Instruction manual copy
Main specifications: Balanced input available, digital meter effective output 300W+300W (8Ω) 880W+880W (2Ω) Dimensions W474 × H215 × D498mm Weight 36 kg
Maintained! A rare model is in stock. Impressive heavyweight and giant toroidal transformers, custom-made power transistors, etc. It takes my breath away when I look at the internal parts. I like the way it was made by simply putting volume into the direct attack method rather than bringing out new innovations. The unwavering sense of power is not a step away even when compared to dreadnought models from foreign brands. There is a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance Information: 2023.11.12 Maintained (input pin jack shaft fixed. Input selector switch, LEVEL switch disassembly contact polishing. Speaker relay replacement. Replace the capacitor in the power amplifier. Protector Transistor Replacement Meter lamp replacement. (Overall adjustment)
Accessories: instruction manual
Main Specifications: Rated Output (20Hz to 20kHz): 300W+300W (8Ω) Harmonic Distortion Ratio: 0.003% (20Hz to 20kHz) Mixed Modulation Distortion Ratio: 0.003% (60Hz: 7kHz) Frequency Characteristics: DC to 300kHz+0-3dB Input Sensitivity/Impedance: Normal: 1V/15kΩ Balanced: 2V/10kΩ Slew Rate: ±300V/μsec Rise Time: ±0.5μsec SNR: 120dB TIME distortion: below measurement limit value Envelope distortion: below measurement limit value W474 × H215 × D500 mm 46 kg