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- description
- Pair tube, 211 equivalent tube, large triode, made in America, measured IP value: 48/47 mA (the best standard IP value for this amplifier is 50 mA) with a white box ※ sound output is checked and plate current values are measured with a test amplifier, and it has been determined that operation is good (Kojima Yosuke) Accessories: white box
- description
- Diode rectifier unit sold in 1 piece, COPPER CAP GZ34/5AR4 compatible, weight approx. 80g, there is discoloration on the body (Kojima Yosuke) Accessories: none
- description
- Diode rectifier unit sold in 1 piece, COPPER CAP GZ34/5AR4 compatible, weight approx. 80g, there is discoloration on the body (Kojima Yosuke) Accessories: none
- description
- Pair tube VT-62 compatible ball tea base square getter measurement value 68/62 (rejection value 38) with original box ※ pair is determined based on gm values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:PHILIPS ECG
Price: JPY 6,364(pair)Sold Out
- description
- Pair tube, double triode, made in America, JAN measurement value 74/74 (rejection value 32) *Pairs are determined based on gM values measured with the TV-7 test machine (Kojima Yosuke) Accessories: none
- description
- Pair tube, 10 compatible ball, tea base spring damper, made in America, measured value 72/72 (rejection value 32), brown box included, getter, burnt, ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: brown box
- description
- 1 bottle military high reliability tube CV4004/12AX7/ECC83 equivalent tube box plate measurement value 40 (rejection value 32) original box, with terminal protection cap ※ measured value shows GM value measured with test machine TV-7 (Kojima Yosuke) Accessories: original box, protective cap
- description
- 1 bottle sold CV378 equivalent tube large output rectifier tube brown base made in England code: rs1 B7R4 measured value 48 (rejection value 40) with white box ※ measured values indicate GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- 1 bottle sold CV378 equivalent tube large output rectifier tube brown base made in England code: rs1 B7R4 measured value 50 (rejection value 40) with white box ※ measured values indicate GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube side heat beam tube made in Russia Code: 1312/1312 measured value 38/36 (rejection value 25) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube high output parallel beam tube lot: 1409/1409, made in Russia, measured value 66/66 (rejection value 44), there is a burn on the side getter on one side with the original box ※ pairs are determined based on GM values measured with the TV-7 test machine (Kojima Yosuke) Accessories: original box
- description
- Pair tube, parallel heat beam tube, KT88 upper compatible ball lot: 1409/1409, made in Russia, measured value 62/58 (rejection value 44), original box included, there are few side getters on one side ※ pairs are judged based on GM values measured with the TV-7 test machine (Kojima Yosuke) Accessories: original box
- description
- Pair tube 6BQ5 compatible ball pentode tube made in Russia, black plate, measured value 82/80 (rejection value 50) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:Western Electric
Price: JPY 40,909(pair)Sold Out
- description
- Pair tube large punch top grid square getter code: 6752/6752 measured value 56/52 (rejection value 30) WE general purpose box with adhesive marks on one side base and tube seams ※The pair is determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: WE general purpose box
- description
- Pair tube, 3-pole output tube, metal gray base, made in America, JAN code: 8652/8652 with white box ※ pair is determined based on numerical values measured with the test machine SENCORE TC-162 (Kojima Yosuke) Accessories: white box
- description
- Pair tube, 3-pole output tube, metal gray base, made in America, JAN code: 8520/8520 with white box ※ pair is determined based on numerical values measured with the test machine SENCORE TC-162 (Kojima Yosuke) Accessories: white box
- description
- Pair tube, direct heat transistor, white base, made in Slovakia, measured value 74/66 (rejection value 58) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- 1 bottle, ECC83 compatible ball, made in America, measured value 54 (rejected value 32), white box included, printing is often erased ※The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Sold per bottle, 12AX7 compatible ball, smooth plate, measurement value 56 (rejection value 32), the printing with the white box has almost disappeared, but it was determined that it was ECC83 made in Yugoslavia from the structure ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- 1 bottle military high reliability tube CV4004/12AX7/ECC83 equivalent tube box plate measurement value 36 (rejection value 32) the printing of the date code with the white box has disappeared, and the Gm value is slightly lower, so it's cheap ※The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:GOLD MONARCH
Price: JPY 77,273(pair)Sold Out
- description
- Pair tube side heat beam tube English tea base measurement value 80/74 (rejection value 44) with replacement box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- 1 bottle sold M8136/12AU7/ECC82 compatible ball military high reliability tube box plate measurement value 96 (rejection value 56) with replacement box ※ measured value shows GM value measured with test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- 1 bottle sold M8136/12AU7/ECC82 compatible ball military high reliability tube box plate measurement value 96 (rejection value 56) with replacement box ※ measured value shows GM value measured with test machine TV-7 (Kojima Yosuke) Accessories: replacement box
Manufacture:TELEFUNKEN
Price: JPY 10,909 Sold Out
- description
- There is a diamond mark sold for 1 bottle, 12AX7 compatible ball, smooth plate, measured value 50 (rejection value 32), the label of another manufacturer is written on the tube with the white box, but it was determined from the diamond engraving on the bottom that it was made by TELEFUNKEN ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:TELEFUNKEN
Price: JPY 10,909 Sold Out
- description
- There is a diamond mark sold for 1 bottle, 12AX7 compatible ball, smooth plate, measured value 56 (rejection value 32), the label of another manufacturer is written on the tube with the white box, but it was determined from the diamond engraving on the bottom that it was made by TELEFUNKEN ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- ※ Since the internal shapes are partially different, they are not treated as a pair, set of 2, double triodes, made in America, measured value 104/102 (rejection value 50), white box included, some mica shapes are different for both tubes ※ The measured values indicate the gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube side heat beam tube English tea base code: 7334/7335 measured value 66/62 (rejection value 44) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube side heat beam tube English tea base code: 7334/7305 measured value 68/66 (rejection value 44), original box included, single side getter is slightly thinner ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube side heat beam tube English tea base code: 7336/7337 measured value 80/76 (rejection value 44) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube side heat beam tube English tea base code: 7335/7334 measured value 76/76 (rejection value 44) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- I determined that the pair tube was made by Mullard based on the 6CA7 compatible ball structure and date code: xf4 b8l2/xf4 B8L2 measured value 52/52 (rejection value 30). The getter with the replacement box is slightly reduced and there is a lot of burning, so it's cheap ※The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Pair tube, VT-229 equivalent tube, made in America, measured value 60/58 (rejection value 32) with a white box, the color of the plate is different on the left and right ※The pair is determined based on the gm value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:TELEFUNKEN
Price: JPY 11,818 Sold Out
- description
- 1 bottle has a diamond mark, 12AX7 compatible ball, smooth plate, measured value 50 (rejection value 32), all the prints with the original box have disappeared, but it was determined that it was an original ECC83 from the structure ※ The measured value shows the GM value measured with the TV-7 test machine (Kojima Yosuke) Accessories: original box
- description
- Sold per bottle, para-thermal beam tube, English tea base code: 7? 36 Measured value 70 (rejected value 44) is written on the bottom ※The measured value shows the gM value measured with the TV-7 testing machine (Yosuke Kojima) Accessories: none
- description
- Sold as 1 ECC81/6201 Compatible Ball, Made in America, JAN Measurement Value 82 (Rejected Value 50), White Box Included ※Measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: white box
- description
- Pair tube, KT88 compatible ball, American metal base, measured value: 58/58 (rejected value 44), with original box ※The pair is determined based on the gm value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Sold per pack, KT88 compatible ball, made in America, metal base, 56 (rejected value 44), with original box ※Measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: original box
Manufacture:TELEFUNKEN
Price: JPY 15,455 Sold Out
- description
- Sold per piece, diamond-marked rib plate, 12AX7 compatible ball, measured value 54 (rejected value 32), with original box (there is writing on the box) *Measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: original box
- description
- Pair tube 6BQ5 compatible ball pentode measurement value 82/80 (rejected value 50) with original box is printed as MADE IN GREAT BRITAIN, but it was determined from the structure and date codes that it was made in Yugoslavia ※The pair was determined based on gm values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:ELECTRONIC ENTERPRISES
Price: JPY 10,909(pair)Sold Out
- description
- Pair tube transmission tube top plate square getter JAN brown base American measurement value 60/50 (rejected value 36) 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, KT88 compatible ball, American metal base, measured value, 60/58 (rejected value 44), with original box ※The pair is determined based on the gm value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube, KT88 compatible ball, American metal base, measured value 64/64 (rejected value 44), with original box ※The pair is determined based on gm values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Sold per bottle CV378/GZ33 compatible tube, brown base, determined to be made by Murad from the date code Code: FS1 B7B4 measured value 48 (rejected value 40) with original box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Sold per bottle CV378/GZ33 compatible tube, brown base, determined to be made by Murad from the date code Code: FS1 B7B4 measured value 48 (rejected value 40) with original box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- 1-piece rectifier tube 5U4G/GZ37 compatible bulb, brown base, determined to be made by Murad from the date code Code: IS1 B7E5 measured value 60 (rejected value 40) with original box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- 1-piece rectifier tube 5U4G/GZ37 compatible bulb, brown base, determined to be made by Murad from the date code Code: IS1 B7E5 measured value 62 (rejected value 40) with original box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- 1-piece rectifier tube 5U4G/GZ37 compatible bulb, brown base, determined to be made by Murad from the date code Code: IS1 B7G5 measured value 62 (rejected value 40) with original box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- 1-piece rectifier tube 5U4G/GZ37 compatible bulb, brown base, determined to be made by Murad from the date code Code: IS1 B7F4 measured value 62 (rejected value 40) with original box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- 1-piece rectifier tube 5U4G/GZ37 compatible bulb, brown base, determined to be made by Murad from the date code Code: IS1 B7F5 measured value 60 (rejected value 40) with original box ※ The measured value shows the GM value measured with 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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