Pair tube direct heat triode double square getter JAN measured value 64/54 (rejected value 38) is inexpensive because there is a slight opening in the measured value with a white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: tea box
The disposal price has been reduced! (Member prices are not applicable) 2025/5/1 sales price 128,000 yen Input volume, RCA terminal processing, installation, etc. have been maintained! Although the Quad power amplifier has a compact body, the core is thick, and you can enjoy smooth sound. It really goes well with speakers made in England, and lets you listen to 70s analog sound with a sense of dynamism. There are scuffs and small scratches on the exterior, feel of use depending on age, peeling paint, and after application. Serial 2 2022 (Yamato Yuki)
Maintenance Information: 2025.1.24 Maintained (Driver Tr, IC, C replacement. Output board pattern, short correction)
2024.8.9 Maintained (SP terminal replacement (original). Check all other internal things. Rch power stage Tr exchange, in-board gain setting C, SP limiter circuit C exchange. Operation check)
2015.8.25 Maintained (RCA terminals installed. IC, capacitor, resistor, input VR, fuse replacement)
Accessories: power cable, copy of instruction manual
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
Pair tube 6SL7 high reliability tube red brown base measurement value 56/52 (rejected value 32) with original box*Pairs are determined based on GM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold per bottle, rectifier tube, brown base, made in America, measured value 48 (measured value 40) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold per bottle, rectifier tube, brown base, made in America, measured value 48 (measured value 40) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold per bottle, rectifier tube, brown base, made in America, measured value 46 (measured value 40) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold per bottle, rectifier tube, tea base, made in America, measured value 52 (measured value 40) *Measured values indicate GM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Sold per bottle, rectifier tube, side getter, brown base, made in America, measured value 50 (rejected value 40) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Single sale rectifier tube VT-244 equivalent tube made in America, measured value 56 (rejection value 40), getter with general purpose box burned, and there is an adhesive mark on the bottom part ※The measured value indicates the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: General purpose box
RCA cable, 1.0 m pair, hybrid 2-core shield structure of 7N copper and 6N copper, regardless of genre, the tuning that makes each sound have a core makes a good impression. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.6.12 continuity confirmed
Accessories: none