Stock sale. Previous price:Yen298,000. Quad tube pre and tube power amp. introduce din 1953. Maintenance completed on Mar.9 2011. With step up transformer(100-220V).
The price was reduced. 2021/8/3 Selling price 19,800 yen Bass reflex enclosure for 25cm unit of unknown manufacturer. 18mm plywood veneer finish It looks compatible with British units such as TANNOY and GOODMANS. There is a feeling of use such as bruises and peeling off the plate. (Mizushima Itsuro)
Accessories: none
Main specifications: Unit opening diameter 225mm W485 × H670 × D315mm 15.8kg
Disposal prices have been reduced. Member discounts do not apply. 2023/2/1 sales price 238,000 yen maintenance completed! It is a 2+22 mono type. The analog EQ curve can be switched with the touch of a button, making it ideal for mono recording enthusiasts. This is one that you want to play in combination with vintage speakers such as Tannoy and Altec. The nostalgic atmosphere that doesn't appear on modern aircraft is pleasant. There are small scratches and dullness appropriate to the model year. *Switching noise occurs due to the structure of the filter switch (Murakoshi Yoichi)
Maintenance information: 2023.1.31 maintenance (QUAD2 vacuum tube KT66 deterioration and pair replacement, 0.1 μF 2 oil capacitors, 25 μF electrolytic capacitors. Create AC cord with QC2 P/U adapter and plug, replace electrolytic capacitors 15 μF and 4 others, 0.1 μ3 oil capacitors, main volume cleaning and repair, vacuum tube sockets and RCA jack cab repairs. Other operations have been checked (measured at 13 to 18 W SP: 16 ohms with rated output AC 100 to 117 V).
Accessories: power cord
Main specifications: QUAD2 frequency characteristics 20 to 20000 Hz input sensitivity 1.4 V signal-to-noise ratio 80 dB W313 x H165 x D106 mm weight approx. 9 kg QC2 line 2 system, phono MM1 system W263 x H88 x D150 mm weight about 3 kg
Significantly reduced price! 2021/2/15 Sales price 198,000 yen Maintenance. It is a mono type of 2+22. Perfect for playing good old mono recordings, and you want to play in combination with vintage speakers such as tannoy and altech. The nostalgic atmosphere that does not come out on modern machines is pleasant. GRAM is phono input. There are small scratches, dullness corresponding to the year, but it is a good part as a product of the 1950s (Tetsuji Oikawa)
Maintenance information: 2021.1.31 Maintenance (QUAD2 block capacitor 15μF × 2 defective replacement and mounting bracket fabrication, film capacitor 0.1μF made in Germany, electrolytic capacitor 25μF degradation exchange
* AC100-120V specification. Output transformer 16Ω wiring. QC2 Vacuum Tube ECC83 Faulty Exchange, Film Capacitors 0.1 μF Defective and Degradation Exchange, Electrolytic Capacitors 16μF Other Degradation Exchange, Mylar Capacitors 1000pF and Other Degradation Exchange. Operation checked (12 to 18 W SP: 16Ω measurement at rated output AC100-117V).
Accessories: Power cord
Main specifications: QUAD2: Frequency characteristic 20 to 20000Hz Input sensitivity 1.4V SNR 80dB Size: W313 × H165 × D106mm Weight approx. 9 kg/1 unit QC2: Line 2, Phono MM1 system size: W263 × H88 × D150mm Weight approx. 3kg/1 unit
The price has been drastically reduced. 2023/1/26 sales price 450,000 yen maintenance completed! This is a rare ZAIKA AUDIO 300B split push power amplifier. It achieves both the fresh sound unique to the 300B and its strength. It has the ability to play large TANNOY speakers loudly. There are 2 input terminals, but they are the same. There are some dullness and thin scratches on the exterior as a whole, but there are no major scratches that are particularly conspicuous (Kanai Hidetsugu)
Maintenance information: 2023.1.25 maintenance (resistor 1/2W noise and deterioration replacement, 2 x 2, circuit analysis and circuit re-solder multiple treatment, vacuum tube socket and RCA jack cab repair, BIAS and HUM BAL. readjustment. Single CH electrolytic capacitor 47 μF noise exchange. Operation checked at AC 100V (measured with rated output 61 W SP: 16 ohms)
*BIAS and ham balance etc. have been adjusted. Please do not change the order of the vacuum tubes as much as possible.)
Accessories: knob manual
Main specifications: rated output 61 W (actual measurement) Vacuum tubes used in mono: 300B x 4, 6SN7, ECC81 size W400 x H200 x D230 mm 15.3 kg (actual measurement)