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- description
- Pair tube, direct heat beam tube, metal tube for rapid operation, JAN made in America, measured value 68/62 (rejected value 43) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:QUAD
Price: JPY 407,273
- description
- Worn parts, including the condenser, have been replaced and maintained! 220V specification (with 100V to 220V step-up transformer) This separate amplifier is still popular even now, 70 years have passed since its release. The thickness, luster, and tension of the sound are all emotionally composed, and perfectly express the sound of the instrument. Anyway, it is a famous machine with thick, firm mid-bass, and a tasteful sound unique to vacuum tubes. The external condition shows signs of use over time, such as damage, dullness, abrasions, etc. Serial 2373/27262/26728 (Fujisawa Yukishi) Maintenance information: 2026.4.20 Maintained (QUAD2 (common) step-up transformer added. 1 x 2 x 3W Deterioration Resistor Replacement No. 27262 oil capacitor 0.1 μF pair replacement. QUAD22 blue line side broken wiring repair. Block capacitors 16 μF x 3 defective → replace 3 with 22 μF electrolytic capacitors. 4 1W resistors and 1/2W deterioration replacements. Gang error improvement measures → 4 additional 1/4 W resistors for Radio1 only. Induction hum reduction measures → copper foil added. Vacuum tube socket and RCA jack caulking repair) Accessories: power cord, step-up transformer Main specifications: 13W (16Ω) with rated output AC220V [QUAD22] EF86 × 2 ECC83 × 2 input PHONO, RADIO, TAPE W267 × H89 × D148 mm 3.2 kg [QUAD2] KT66 × 4 EF86 × 2 GZ32 15W+15W W321 × H162 × D119 mm 8.2 kg/unit
Manufacture:UGREEN
Price: JPY 455
- description
- Unopened item! The stereo mini 3.5 mm to RCA cable (female) is 0.2 m. High-purity tinned copper wire is used to provide maximum conductivity and durability, suppress the occurrence of signal distortion and transmission loss, and achieve clear sound (Asaine Satoshi Method) Accessories: none
- description
- Maintained! The RCA terminal has been replaced with a banana-compatible SP terminal. Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. Serial 3803 (Tamura Eiji) Maintenance information: 2026.4.15 Maintained (power stage Tr, driver Tr check. Replace part C and R deterioration in the board. Input DIN terminal rewiring, operation check, RCA, speaker terminal screwing.) Accessories: power cable Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
- description
- The disposal price has been reduced. Member discounts are not applicable. 2025/7/5 sales price 128,000 yen Maintenance has been completed, such as replacement of deteriorated capacitors and transistors. Quad power amplifier. Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. Exterior, paint deterioration, dullness, rust, scuffs, etc. can be seen (Kobayashi Hitoshi) Maintenance information: 2025.7.5 maintenance completed (block C, VOL, rubber feet, power stage Tr, C and R replacement in the board. Input cable creation (DIN4P-RCA female) operation check) Accessories: instruction manual, power cable, connection cable Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
- description
- The disposal price has been reduced! (Member discounts are not applicable) 2025/11/19 sales price 128,000 yen Maintained! RCA and VOL have been added, so it's easy to use. The exterior is painted black. Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior is dull and has small scratches over time. Serial 8508 (Yonejima Satoshi) Maintenance information: 2025.11.19 Maintained (internal all inspection → Lch power stage Tr, gain setting C, INPUT VOL replacement. DIN SP rewiring, first drive IC OP AMP replacement) Accessories: power cord Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
- description
- The disposal price has been reduced. Member discounts are not applicable. 2026/1/11 sales price 128,000 yen Maintenance completed in 2013/1. Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. Exterior, dullness, chipping, bruises, abrasions, etc. can be seen (Kobayashi Hitoshi) Maintenance information: 2026.1.10 operation confirmed 2013.1.18 maintenance completed (each inspection adjustment, RCA terminal installation, VR replacement input/output, balance waveform measurement operation confirmed) Accessories: power cable, copy of instruction manual Main specifications: 100W+100W frequency characteristics 20 to 20 kHz W341 x H115 x D195 mm 9 kg
- description
- Sold as 1 bottle, 5-electrode tube, American-made, smoke measurement value 92 (rejection value 50) with general-purpose box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: General purpose box
- description
- Maintained! A famous machine 44 with an easy-to-handle RCA terminal added to the rear terminal of the Quad control amplifier. The British QUAD's small preamp is a perfect balance between the freshness and richness of character. When paired with the same speakers made in England, you can enjoy a calm, high-quality sound. There are line scratches on the left side of the exterior, dull buttons, etc., and there is a feeling of use throughout (Kobayashi Hitoshi) Maintenance Information: 2026.2.3 Maintained (IC OP AMP replacement in CD position board. Other checks) 2025.3.5 maintenance completed (power supply SW contact cleaning, correction, RCA terminal screw tightening correction, cleaning, caulking each SW, Vol cleaning (some chips remain) 2023.11.15 maintenance (VOL cleaning, C replacement in other mainboards, C etc. in each AMP, etc.) AC spark killer replacement in the power supply.) Accessories: power cord, connection cord, instruction manual (copy) Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4 kg
- description
- ※The condition of the 2 tubes is very different, so they are inexpensive (the structure is the same) Direct Thermal Triode American Square Getter Measured Value 64/56 (Rejected Value 38) There is a burn on the tube head on one side, and the getter is thin*The measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: none
- description
- ※The condition of the 2 tubes is very different, so they are inexpensive (the structure is the same) Direct Thermal Triode American-made side getter measurement value 60/60 (rejection value 38) There is a burn on the tube head on one side ※The measured value indicates the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Sold per bottle, rectifier tube, brown base, American measured value 54 (measured value 40), the model number printing has disappeared, but it seems to be 5R4GY. There is dirt on the tube ※The measured value indicates the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- 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
- description
- 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
- description
- Sold per bottle, rectifier tube, brown 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
- description
- 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
- description
- Sold per bottle, rectifier tube, brown base, made in America, measured value 52 (measured value 40) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- 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
- description
- Sold as 1 bottle rectifier tube, American black plate, measured value 60 (rejected value 40), there is a getter burn with a white box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Single sale rectifier tube, American black plate, measured value 60 (rejected value 40) with white box, there is a slight getter burn ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Single sale rectifier tube, American black plate, measured value 58 (rejected value 40), there is discoloration of the getter with white box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Single sale rectifier tube made in America double square getter JAN measured value 52 (rejected value 40) The printing on the tube is disappearing ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
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Hi-Fi Do Record Shops Softs, Audio parts and Tubes can ship overseas.Ordinary,we use EMS but for large order,we use SAL or Surface.For Asia,it cost 1,200JPY/1LP,900JPY/1CD.Please check at the shipping cost table for more detail.
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