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- description
- The price has been drastically reduced. 2026/7/2 sales price 148,000 yen Manufacturer maintained! Triode tube preamp. Using 274B as the rectifier tube, it is equipped with a 4-band equalizer that can control the sound field in detail. It is a control amplifier adapted to modern times. The exterior is dull and has thin threads. Serial 17070382 (Yonejima Satoshi) Maintenance information: 2026.7.2 manufacturer maintenance completed (it was confirmed that symptoms were improved by replacing and repairing relevant parts with new ones due to 12AX7 and internal wiring problems) Accessories: remote control, instruction manual, power cable, original box Main specifications: Vacuum tubes used 12AX7 (ECC83S) x 4 x 274B x 1 frequency characteristics approx. 10 Hz to 100 kHz SNR 96 dB input terminals 5 systems output terminals 3 systems power consumption 30W W340 x D315 x H187 mm weight 8 kg
- description
- Triode tube control amplifier. An upgraded model of the company's TRX-1. Equipped with a 4-band equalizer that can control the sound in detail. In addition to being equipped with balanced terminals for input/output, it is also equipped with 2 unbalanced outputs. The high frequency extension typical of a triode and the warm sound of a vacuum tube are attractive. The finish makes you feel the power up from the previous game. The exterior is good with no noticeable scratches. Serial 13060024 (Yonejima Satoshi) Maintenance information: 2026.7.9 operation confirmed Accessories: remote control instruction manual power cable Main specifications: 5 input terminals (PHONO, LINE 1 to 3, BALANCE) compatible cartridge, 3 MM/MC output terminals (LINE 1 to 2, BALANCE) W345 x D310 x H195 mm 13 kg
- description
- The disposal price has been reduced! (Member prices are not applicable) 2026/6/29 sales price 1,120,000 yen This is a popular piano black model. I am overwhelmed by the range and depth. The piano trio is a versatile player who swings lightly and sounds softly with a delicate vocal system. The 800 series boasts such high performance that many audio manufacturers use as a standard for determining sound. There are cracks in the paint on the top plate on one side of the exterior, and there is a feeling of use such as dullness. Serial 15110002821FP37486/15110002821FP37486 (Tomonori Asaine) Maintenance information: 2026.6.29 Operation confirmed Accessories: Saran net spike jumper instruction manual original box Main specifications: 25 mm diameter tweeter x 1 130 mm diameter mid x 1 165 mm diameter woofer x 2 frequency band 20 Hz to 35 kHz efficiency 89 dB impedance 8 ohms W238 x H1,019 x 345 mm 33 kg/1
- description
- Maintenance has been carried out, including 36 deteriorated capacitors and 2 diodes replaced. The FM is an advanced 1970s Sansui aircraft that uses a 5-row varicon, and the AM uses a 3-row varicon. Compared to trio tuners of the same age, the sound quality is close to the mid-range. The tone of that division of voice has depth and gives a thick impression. The green lamp creates a nostalgic atmosphere. There are dullness and small scratches over time, but it is a pretty beautiful category even when viewed from the year it was released (Oikawa Tetsuji) Maintenance information: 2026.7.8 maintained (tuning dial thread creaking sound correction. Power circuit transistor, diode, and capacitor deterioration replacement. FM IF circuit, MPX circuit LOW pass filter circuit transistor deterioration replacement) Accessories: instruction manual Main specifications: AM/FM tuner W500 x H140 x D347 mm 9.5 kg
- description
- Pair tube triode smoke, made in England, measured value 46/44 (rejected value 35) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Single sale triode gray shield tube, made in England, measured value 44 (rejected value 35), there is dark stain on the tube with the white box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube double triode tube, made in America, JAN, smoked brown base, measured value 46/44 (rejected value 5) with original box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Maintenance has been completed, including 15 capacitors, 3 tact switches, 6 dampers replaced, arm disassembly, cleaning, etc. A new dust cover has also been created. A TRIO record player that uses a DL motor system and DS tone arm for more ideal playback. The structure is faithful to the basics, and the sound image is well located, and the straight arm with a high rigidity design has high tracing power and brings out the characteristics of the cartridge well. It's semi-automatic and easy to use (Oikawa Tetsuji) Maintenance information: 2026.6.21 Maintained (replacement of 20% capacitance loss electrolytic capacitors in control boards and servo boards. UP/DOWN, SPEED, START buttons, and tact switch replacement. Motor shaft, oil removal oil. Arm disassembly cleaning. Power transformer mounting damper deterioration replacement. cabinet cleaning. (Other, inspection of each part, operation test, creation of a new dust cover) Accessories: special shell, instruction manual, transport lock screw Main specifications: semi-auto player quartz lock DD system 33/45 rotation straight tone arm W490 x H182 x D410 mm 13 kg
- description
- Pair tube heat dissipation double triode tube made in America green printing JAN measured value 54/52 (rejected value 40) There is an adhesive mark on the seam of the base on one side, and there is a crackling sound inside the base*Pairs are determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Set of 2 (not treated as a pair because there is a big difference in measured values between 2) double triode tubes, American measured value 104/92 (rejected value 50) with white box ※ pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube double triode tube, made in America, measured value 104/102 (rejected value 50) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode tube, double square getter, made in Canada, measured value 66/64 (rejected value 38), there is a burn in the getter with the original box ※The pair is determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:NATIONAL ELECTRONICS
Price: JPY 14,545(pair)
- description
- Pair tube heating-type double triode tube made in America magnesia-coated mica measurement value 52/52 (rejection value 40) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode tube made in Japan measured value 62/62 (rejected value 38) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode tube, made in Japan, measured value 64/64 (rejected value 38) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode double square getter measured value 60/58 (rejected value 38) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box (with writing)
- description
- Pair tube direct heat triode tube made in Japan measured value 60/54 (rejected value 38) There is a slight tube burn on one side of the tube with the original box ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- ※ It is inexpensive because it is in poor condition. Pair tube direct heat triode double square getter measured value 60/54 (rejected value 38) There is an adhesive mark on the joint surface between the base with the original box and the tube ※The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode tube made in China measured value 70/66 (rejected value 38) with replacement box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box (Silvertone)
- description
- Pair tube direct heat triode tube made in China measured value 66/64 (rejected value 38) with replacement box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Pair tube direct heat triode tube made in China measured value 64/64 (rejected value 38) with replacement box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Pair tube direct heat triode tube made in Japan, measured value 64 (rejected value 38) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Direct thermal triode tube American-made square getter spring damper filament measurement value 64 (rejection value 38) with white box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube direct heat triode engraved American measurement value 64/62 (rejected value 47) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box (with writing)
- description
- Pair tube direct heat triode tube American double square getter measured value 60/58 (rejection value 38) There is a slight brown burn on the head, and the getter is slightly thin* The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Pair tube 45 Special compatible ball straight heat triode tube fishing rod type filament measurement value 104/102 (rejection value 55) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube ambient heat triode output tube made in Japan Hi-Fi measurement value 64/62 (rejection value 40) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Sold 1 bottle ECC88 compatible spherical double triode tube, made in the Netherlands, measured value 90 (rejected value 62) with replacement box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Direct thermal triode tube sold in America, made in America, VT-63 compatible ball fishing rod type filament measurement value 86 (rejection value 50) *The measured value indicates the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Direct heat triode smoke, sold per bottle, seems to be an OEM product of tangsol due to its American-made structure. Measured value 68 (rejected value 38) *Measured values are shown with the TV-7 testing machine (Kojima Yosuke) Accessories: none
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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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