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- RG
- description
- Pair tube Russian reprint model lot: 1609/1610 measured value 56/54 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- ※Set of 2 (both tubes are not treated as a pair since their structures are very different), deflection output tubes, made in America, measured value 66/64 (rejection value 38), with original box (box lid is missing) *Measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: original box
Manufacture:PHILIPS ECG
Price: JPY 18,182(pair)
- description
- Pair tube, 6L6GC compatible ball, high reliability tube, made in America lot: 8526/8526 measured value 44/42 (rejected value 25) with replacement box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Pair tube, large beam output tube, 8147 compatible bulb, gray plate for Hi-Fi, with original box (outer box/inner box), has slightly decreased getter for both tubes ※ The pair measures and determines EM values with the measuring machine TC-162 (Kojima Yosuke) Accessories: original box
Manufacture:ELECTRO HARMONIX
Price: JPY 2,727
- description
- ※Set of 2 (not treated as a pair due to different internal structures), double triodes, made in Russia, measured value 114/110 (rejection value 50), replacement box included ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
Manufacture:MATSUSHITA
Price: JPY 7,273(pair)
- description
- Pair tube, EL84 compatible ball, pentode tube, made in Japan, measured value 84/80 (rejection value 50), both tubes have pin bends ※ pairs are determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Pair tube 6BQ5 high reliability tube made in Japan measured value 72/68 (rejection value 46) *Pairs are determined based on GM values measured with the TV-7 test machine (Kojima Yosuke) Accessories: none
- description
- Pair tube 6BQ5 compatible ball pentode tube measurement value 66/66 (rejection value 50) with original box SIEMENS print is printed, but it was determined from the structure and date code that it was made by Ei (made in Yugoslavia) ※The pair was determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: original box
- description
- 1 bottle sold CV4085/6267 compatible ball mesh shield code: 8Y5 L2B measurement value 56 (rejection value 33) all the prints with the white box have disappeared, but it was determined to be EF86 based on the structure and code ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:ELECTRO HARMONIX
Price: JPY 5,909(pair)
- description
- Pair tube, EL34 compatible ball, Russian tube, measured value 44/42 (rejected value 30) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube, triode, metal base, made in America, with original box, the size of the glass tube is different on the left and right, but the internal structure is the same ※The pair is determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke) Accessories: white box
- description
- Pair tube, triode, metal base, made in America, comes with a box, is inexpensive because there are fewer gutters and there are burns ※Pairs are determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke) Accessories: white box
Manufacture:ELECTRO HARMONIX
Price: JPY 5,909(pair)
- description
- Pair tube, 6CA7 compatible ball, made in Russia, measured value 44/42 (rejection value 30) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:不明
Price: JPY 7,273
- description
- Tube radiators, 3 sizes, set of 12, 3 sizes (12AX7 series, 6BQ5 series, 6CA7 series) 12AX7 series: 5 pieces, 6BQ5 series: 4 pieces, EL34 series: 3 pieces, with fixed band (Kojima Yosuke) Accessories: fixed band Main specifications: 12AX7 series: height 28 mm 6BQ5 series: height 42 mm 6CA7 series: height 67 mm (actual measurement)
- description
- ※Set of 2 (not treated as a pair since the internal shape is different between the tubes) KT88 compatible balls, Russian metal brown, base code: 0210/0601 measured value 56/50 (rejection theory 44) with original box ※ measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: original box
- description
- 1 bottle of side-heat beam tube, made in France, smoke measurement value 42 (rejection value 25), replacement box included, printing is missing ※ the measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Pair tube 6BQ5 compatible ball pentode tube made in Russia, black plate, measured value 78/72 (rejection value 50) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
Price: JPY 4,545
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. Bessatsu Stereo Sound Preservation Edition/ A selection of vacuum tube amplifier masterpieces from yesteryear where you can almost hear “good sounds”! /Macintosh Successive Tube Amps Listening Comparison/Marantz Successive Tube Amps Listening Comparison/Published on 2008/6/30. The photograph is a sample, so the actual product may be broken, written, etc.
Price: JPY 2,273
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. “Fascinating Vacuum Tube Amplifiers: Their History, Design, Production (Volume 1), Reprint Edition” /Over 40 Production Examples/Complete Famous Ball Data/Wireless and Experimental Edition/Supervised by Isamu Asano/1990.4.2 2nd Print Published. The photograph is a sample, so the actual product may be broken, written, etc.
Price: JPY 2,273
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. Characteristics and circuits of 15 famous vacuum tube power amplifier models/genealogy of vacuum tube power amplifier circuits/roundtable discussion talking about famous machines of power amplifies/listening to 7 models of Tama amplifies/Questionnaire to Mr. 8 What is a famous machine for me/ Takesue Kazuma: Memoirs of 30 years of making amplifiers/anthology articles, popular power amplifier production articles/radio engineering companies/1989.12.20 first edition published. The photograph is a sample, so the actual product may be broken, written, etc.
Price: JPY 4,091
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. “Audio Vacuum Tube Manual” /Published by Radio Engineering Company/by Ichiki Yoshinori/A revised edition that carefully selects the “All Japan Vacuum Tube Manual” published in Showa 33 for audio applications. S60.7.20 first edition issued. The photograph is a sample, so the actual product may be broken, written, etc.
- description
- Pair tube, 6BQ5 compatible ball, made in Yugoslavia, foot, measured value 70/70 (rejected value 50) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
Price: JPY 909
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. Special Feature = Internal and External Tweeter Research/Modern Noise Thoughts Vol.3/SR Speaker Research/New BLT Amplifiers/Sound Field Correction Using Partitions/Driver Tube Research/Frontier Technology “VHD Technology” /Published Circuit Diagram: ElectroVoice TL505 Enclosure/Mixing Console and Noise///S59.10.1 published. The photograph is a sample, so the actual product may be broken, written, etc.
Price: JPY 909
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. Special Feature = Contemporary Noise Thoughts Vol.2/Overview of American 3-Pole Output Tubes/Mos-FET Single Stage OTL Amplifier/Medium Monitor Speaker Research/New Feedback Circuit Type DC Preamplifier/38 cmW Woofer System Vol.4/Published Circuit Diagram: PIONEER CT-580/S57.5.1 Issued Photographs are samples, so the actual product may be broken or written.
- description
- 1 bottle of KT88 compatible ball, made in America, metal base, LUXMAN print measurement value 54 (rejection value 44), base with replacement box, has dullness ※ measured values indicate GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: replacement box
Price: JPY 636
雑誌・書籍1000円以上で送料無料
- description
- Special Feature = CD Era Vacuum Tube Preamplifier/GEC DA30/MOS FET 1 Stone Power Amplifier/82' Audio Technology of the Year/Precision Processing Technology for Players/New JBL Driver 2445J/Large Diameter W Woofer 21 Models/Summary of Published Circuit Diagrams: Technics SU-V7A/HAFLER DH500/S58.3.1 Issued. The photograph is a sample, so the actual product may be broken, written, etc.
Price: JPY 727
雑誌・書籍1000円以上で送料無料
- description
- Special Feature = Hi-Fi Era Hardware and Software/Watching CD Software/Roundtable Discussion; Tone Arm Research/5 Channel Divider/Vacuum Tube Power Amplifier Measurement and Audition; WE-293A PP/WE300b PP/EL34pp/VT52pp/VT104 10E, 215/Listening Room/Published Circuit Diagram: Futterman NCP-1/OTL-1/S58.11.1 published. The photograph is a sample, so the actual product may be broken, written, etc.
Price: JPY 727
雑誌・書籍1000円以上で送料無料
- description
- Special Feature = Mid Bass Research/Vacuum Tube Amplifier/European 3-Pole Output Tube/KT-66, 50 Power Amplifiers/Internal and External Tweeter Research Vol.3/PP Shunt Power Preamp/Importance of Midbass Vol.2/Frontier Technology “Hybrid Circuits” /Published Circuit Diagram: MARANTZ SC-11/S60.1.1 Published. The photograph is a sample, so the actual product may be broken, or there may be markings etc.
Price: JPY 1,182
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. Bessatsu Stereo Sound Tube Kingdom/Special Feature = The Origin of JBL, Listen to 175/375/Thorough Verification of Power Amplifier Capabilities/Latest World Brand Information/2001.2.25 Published. The photograph is a sample, so the actual product may be broken, or there may be markings etc.
Price: JPY 1,182
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. 10th anniversary commemoration of the first publication · 1st edition = reader visits The appeal of TUBE SOUND/Listen to the supreme WE amplifier 8B+9A/ tubular kit amplifier selected by “sound” /300B single output transformer listen and comparison/2005.11.28 published. The photograph is a sample, so the actual product may be broken, or there may be markings etc.
- description
- Pair tube 6SL7 equivalent tube military tube brown base ring getter measurement value 52 (rejected value 32) with original box ※The measured value shows the gm value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube, deflection output tube, made in America, with original box ※Pairs are determined based on EM values measured with the TC-162 tester (Kojima Yosuke) Accessories: original box
- description
- Pair tube triode for Hi-Fi made in Japan*Pairs are determined based on EM values measured with the test machine EM-604 (Yosuke Kojima) Accessories: none
- description
- Power transformer used in MQ60 vacuum tube amplifiers Primary: 100V Secondary: 360V/280mA 100V/350mA 60V/70mA CT-6.3 V/2A W104 × H97 x D87 mm approx. 4.3 kg (actual measurement, not including protrusions) (Yosuke Kojima)
- description
- Pair tube, metal, brown base, made in America, measured value 66/64 (rejected value 44) with original box (some written), sticker is attached to the base part, and there is a getter burn ※ The pair was determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Set of 2 (the internal shape seems to be the same, but the manufacturer country print is different (made in Canada/USA), so they are not treated as a pair), brown base measurement value 44/42 (rejected value 25), getta burns, and decreases) *Measured values indicate GM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Price: JPY 909
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. Special Feature = Phono Equalizer Audition Report Part 2/World Speaker Brand Research Part 2/Diatone DS-MA1/Yufuin “Listen to Western 16A at Sanso Muryoto!” /Type Separate Tube Amp Research Compact Pre-Main/Analog Prestige Brand Research “DYNAVECTOR” /Record Needle Repair/Continued · Send Ale to Zonotone/ H19.10.20 Issued/Published Model: EQS MK 12/C-2410 AD-2800/New MP Series/IO-M/HCTR01/L-505U/G1302/PL300 PL300 PL100/PHONO-ONE/RIAA-22 MK-2/EA-3/EQA-777/TR-EQ1/EAR 834P-5/symphonic/xono/AS-3.8i/RA-VT11/Nimis RC/TUBE 53/. The photograph is a sample, so the actual product may be broken, or there may be markings etc.
Price: JPY 909
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. Special Feature = Listen to the Latest MC Cartridge/Audio Famous Machine Award 2008 Decided/World Speaker Brand Large Aperture Temptation 1/Infatuation with Open Decks/TAD “TAD Reference One” that sounds famous devices/30th anniversary Learn about Dynaudio's great challenge to high definition speakers/Check out Zonotone Cable's ability in analog playback /Type Specific Tube Bulb Amplifier Research High-End Amplifier/Published on H20.1.20/ Posted models: Criterion Analogue Playback System/gyrodec-UNV1/EA-1 2 P-3G/AT33MONO/MC Windfeld/A-S2000/Illusion A7/SC-11S1 SM-11S1/C-600F M-600A/AT33PTG/YC-03S/Model 7000/Celebration MK2/ZYX-4D/ Stradivari/Hyper Eminent/TRV-M88pp/reference-two reference-one/SD-2 KR/The photograph is a sample, so the actual product may be broken and there may be writing etc.
- description
- One-piece rectifier tube, fishing rod type filament made in China, incorporates the structure of the original WE274 and is well-built. Measurement value 56 (rejected value 40) with replacement box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
Manufacture:Western Electric
Price: JPY 11,818
- description
- Sold per bottle, general purpose amplifier tube, top mark, JAN, made in America, measured value 38 (rejected value 28), with replacement box (the lid of the box is missing) *The measured values are values measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- The A2500 is a tube type power amplifier kit that has been replaced with speaker terminals that are easy to use even for beginners. 6AQ8 for the first stage and 12AU7 for the phase reversal stage both use triodes. Since triodes are used across all stages, the sound is taut and bright, with excellent nude characteristics. The exterior has dullness over time, rust, and small scratches. Serial 560561 (Miura Kimiya) Maintenance information: 2018.4.28 Maintained (printed circuit board resistor replaced. (Adjustment characteristics check OK) 2014.11.21 maintenance completed (input VR, vacuum tube socket, coupling capacitor, SP terminal, BIAS DC BAL, semi-VR, each deterioration exchange, adjustment, characteristic check OK) Accessories: instruction manual Main specifications: 6 RA8 push-pull 6 RA8 x 4/12 AU7 x 2/6AQ8 10W+10W W410 x H145 (with hood) x D190 mm 9.6 kg
- description
- Sold 1 bottle 12AU7 compatible sphere smooth plate measurement value 106 (rejection value 56) The printing with the white box has almost disappeared, but it was determined that it was an ECC82 made in Yugoslavia from the structure*The measured value represents the gm value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- ※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing was a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 38 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- ※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing is CV4004, the printing is a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 42 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- ※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing was a reprint. The plate is not a box type, but only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 36 (rejection value 32) with replacement box*The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- ※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing is CV4004, the printing is a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 44 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Pair tube 6CA7 compatible ball made in Russia, measurement value 48/46 (rejection value 30) with original box*The pair is determined based on the GM value measured by the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube 6CA7 compatible sphere Russian reprint model measurement value 46/42 (rejection value 30) white box with getter burn ※The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube 6CA7 compatible sphere Russian reprint model measurement value 52/48 (rejection value 30) white box with getter burn ※The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube 6CA7 compatible ball made in Russia, measurement value 46/44 (rejection value 30) with original box*The pair is determined based on the GM value measured by the test machine TV-7 (Kojima Yosuke) Accessories: original 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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