Payment and point member | Payment methods | Shipping methods | Warranty policy | Shopping procedure
- All
- All hardware
- All software
- Other
- Amplifiers
- Integrated amplifiers
- Control amplifiers (transister)
- Control amplifiers (tube type)
- Power amplifiers (transister)
- Power amplifiers (tube type)
- Channel dividers
- Tuners
- Other amplifiers
- Channel divider boad
- Integrated amplifiers (transister)
- Integrated amplifiers (tube type)
- Speakers
- Speakers (foreign companies)
- Speakers (Japanese companies)
- Full range units
- Woofers
- Drivers
- Tweeters
- Horns
- Enclosures
- Networks
- Speaker accessories
- Analog equipment
- Turntables
- Tonearms
- Step-up transformers
- Head amplifiers
- Phono equalizers
- Cartridges
- Headshells
- Phonograph
- Digital equipment
- D/A converters
- DAT decks
- MD players
- LD players
- DVD players
- CD players
- CD transports
- Network players
- Tapes
- Cassette decks
- Reel-to-reel decks
- Other tapes
- Accessories
- Accessories
- Cables
- Insulators
- Racks
- Headphone
- Parts
- Parts
- Tubes
- Manual
- Audio set
- Audio set
- Other audios
- Other audio
- Records
- LP jazz
- LP jazz vocal
- LP classic
- LP foreign music
- LP Japanese music
- Single records
- SP
- Other LPs
- Other soft
- Tapes
- Reel-to-reel tape
- Reel-to-reel tape jazz
- Reel-to-reel tape classic
- Other reel-to-reel tape
- Blank cassette tapes
- LD/DVD
- Laser disk
- DVD
- VHS
- Laser disk jazz
- Laser disk classic
- Other laser disk
- Laser disk movie
- CD
- CD jazz
- CD jazz vocal
- CD classic
- CD foreign music
- CD Japaese music
- Single CD
- Other CD
- Books
- Magazines
- STEREO SOUND
- MJ
- Other books
- Swing journal
- STEREO SOUND EX
- TUBE KINGDOM
- TAPE SOUND
- analog
- AUDIO ACCESSORY
- AUDIO PLAN
- AUDIO CRAFT MAGAZINE
- AUDIO BASIC
- JAZZ CRITIQUE
- stereo
- FM fan
- RADIO TECHNOLOGY
- RG
- description
- Pair tube direct heat triode tube Chinese eggplant tube metal foot measurement value 74/74 (rejected value 58) with original box*Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Sold 1 bottle, 211 equivalent tube, large triode tube, made in America, measured Ip value: 47mA (the best standard IP value for this amplifier is 50mA) with brown box*Sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke) Accessories: tea box (damaged)
- description
- Large triode tube, made in China, seems to have the same structure as Golden Dragon 845 Premium Metal. Measured Ip value: 73/72mA (the best standard IP value for this amplifier is 75mA) with original box ※Sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke) Accessories: original box
Manufacture:SUN VALLEY
Price: JPY 22,727(pair)
- description
- Pair tube large triode tube Sun Valley sorting sphere measured Ip value: 71/68mA (the best standard IP value for this amplifier is 75mA) *The test amplifier makes sound, measures plate current values, and operation has been checked (Kojima Yosuke) Accessories: original box
Manufacture:SUN VALLEY
Price: JPY 19,091(pair)
- description
- Pair tube Sun Valley sorting ball direct heat triode tea base made in China measured value 72/68 (rejected value 58) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode made in America measured value 72/70 (rejected value 42) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Pair tube direct heat triode tube made in America measured value 74/74 (rejected value 42) The printing design is different on both tubes, but the internal structure is the same*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- It was determined that it was made in China from the pair tube direct heat triode structure. Measured value 78/76 (rejected value 58) *The pair was determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- The price has been reduced. 2025/12/17 sales price 99,800 yen Maintained by the manufacturer! Line-only premain amplifier using EL34. The sharp sound of the EL34 tube is impressive. It has a glossy tone unique to tube amplifiers with a modern sense of range and good response. There is a slight dent on the front (Daiki Goto) Maintenance information: 2025.12.17 Triode maintenance completed (JJ EL34 x 4 units were replaced, and various parts were inspected and maintained, including selector polishing.) Accessories: manual, power cable Main specifications: circuit type EL-34 ultra linear connection AB grade push-pull drive rated output 45W+45W (8Ω) SN-ratio 90dB vacuum tubes JJ EL34 x 4, 12AX7 x 1, 12AU7 x 2 speaker output terminals 6Ω/8Ω input 4 systems W330 x H150 x D315 mm 15 kg
- description
- Set of 2 (special products are very different, so they are not treated as pairs), double triode tubes, American, measured value 118/100 (rejected value 50) with original box ※ measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box (often damaged)
- description
- Pair tube, double triode tube, American black plate, square getter, measured value 102/96 (rejected value 50) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:GOLDEN DRAGON
Price: JPY 1,818
- description
- Set of 2 (2 are not treated as a pair because the measured values are very different) double triode tubes made in China, measured value 104/90 (rejected value 50) with white box ※ measured values are gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube direct heat triode made in Russia lot: 0402/0402 measured value 64/62 (rejected value 38) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Pair tube double triode Russian reprint model measured value 120/120 (rejected value 50) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
- description
- Pair tube double triode Russian reprint model measured value 120/120 (rejected value 50) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube double triode Russian reprint model measured value 118/114 (rejected value 50) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:NATIONAL UNION
Price: JPY 14,545(pair)
- description
- Pair tube direct heat triode made in America measured value 98/90 (rejected value 47) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
Manufacture:Western Electric
Price: JPY 270,909(pair)Sold Out
- description
- Pair tube direct heat triode American lot: 6539/6952 double square getter measurement value 80/78 (rejection value 58) with replacement box Both tubes were burned by mica at the top of the tube head, and the getter has decreased slightly ※Pairs are judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box (WE300B original box since 1995)
Manufacture:SUN VALLEY
Price: JPY 9,091(only one piece)
- description
- Large triode tube sun valley sorting ball measured Ip value: 66mA (the best standard IP value for this amplifier is 75mA) There is discoloration on the base part*The test amplifier makes sound, measures plate current values, and operation has been checked (Kojima Yosuke) Accessories: white box
- description
- Pair tube direct heat triode double gettering made in Japan measured value 64/60 (rejected value 38) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
Manufacture:NATIONAL UNION
Price: JPY 27,273(pair)Sold Out
- description
- * Judging from the structure that it is made by NATIONAL UNION, the printing on the base part seems to be a reprint. Pair tube 45 Special/38142 compatible ball straight heat triode tube fishing rod type filament measurement value 106/100 (rejection value 55) *The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
Manufacture:SUN AUDIO
Price: JPY 316,364
- description
- Maintained by the manufacturer with Sun Audio! This model is equipped with CETRON 300B that even enthusiasts will be satisfied with. All other balls are complete models with no complaints about RCA. Equipped with a Tamura Trance which is currently unavailable. The high gain and straight, carefree sound quality is attractive. The heater has safe DC ignition. I can hardly hear any hum. It is a first-class product where you can directly feel the good sound of the 300B linear thermal triode (Sasaki Shota) Maintenance information: 2025.5.7 manufacturer maintained (each part inspected, 7 electrolytic capacitors replaced, 2 vacuum tube sockets replaced, 4 1L4P lug terminals replaced, 1 block metallized film capacitor replaced, bottom plate replaced, 2 bridge diodes installed, 1 resistor installed, 1 film capacitor installed, spark killer installed) Accessories: repair statement, power cable, manual Main specifications: 300B single 8W+8W vacuum tube used: 300B x 2 (CETRON) 6SL7 x 2 (RCA) 5U4G x 1 (RCA) W360 x H210 x D270 mm 16 kg
- description
- Pair tube double triode tube 6188 equivalent tube black plate brown base measurement value 58/52 (rejected value 30) 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, double triode tube, 6188 equivalent tube, black plate, brown base, measured value 52/52 (rejected value 30), both tubes with original box are inexpensive because the number of getters has been reduced ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Sold as 1 bottle, double triode tube, made in America, JAN brown base measurement value 80 (rejected value 32) *The measured value represents the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
Manufacture:PENTA LABRATORIES
Price: JPY 11,818(pair)
- description
- It seems to be a vacuum tube made in China due to the pair tube direct heat triode structure PENTA LABRATORIES sorting sphere measurement value 62/62 (rejection value 38) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- It is thought to be made by Shuguang Electronics (China) due to the pair tube direct heat triode structure. Measured value 68/66 (rejected value 38) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- From the pair tube direct heat triode structure, the printing on the vacuum tube and base seems to be a reprint. Measured value 66/62 (rejection value 38) with white box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:International
Price: JPY 3,182(pair)
- description
- Pair tube double triode tube made in the Soviet Union measured value 112/108 (rejected value 50) with original box on one side has disappeared ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube double triode tube, made in America, measured value 96/90 (rejected value 50) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box (can be written on)
Used
Consigned
Hold
Reserved
Sold Out-
-
- Company profile
- Privacy policy
- Contact
- Newsletter back issues
- Hi-Fi Do live camera!
- Today's software
- Today's hardware
- New arrival alert system
- Japanese
-
Hi-Fi Do Online Newsletter
-
Payment methods
-
Shipping methods
-
Warranty policy
-
Shopping procedure
-
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.
-
Meaning of icons
