Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 58/58 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube made in Japan Hi-Fi measurement value 46/44 (rejection value 25) with original box (inner box/outer box) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box (inner box/outer box)
Pair tube, ambient heat beam tube, 5881 equivalent tube, made in America, JAN brown base measurement value 42/42 (rejected value 25) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 62/60 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 74/72 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
1 bottle sold in England Xf1 6CA7 compatible ball tea base double ring getter date code: Xf1 B1I4 measured value 46 (rejected value 30) with white box (written on the box), there is getter burn, and it has decreased slightly (Kojima Yosuke)
Accessories: white box
A set of 2 seems to be a choke transformer, but the details are unknown. Measured DC resistance value 380/373Ω W31H95 x 44mm 0.31 kg/piece (actual measurement, not including protrusions), only conduction and resistance values have been confirmed by a tester (Kojima Yosuke)
Accessories: none
Pair tube metal brown base Russian dharma tube measured value 60/58 (rejected value 44) with white box, printing on one side often disappears ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
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
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
※Only 1 network coil attenuator Orient Hi-B cut core attenuation -1 to -20 dB (1 dB interval) maximum input 300 W usage frequency 200 Hz or more, line diameter 1.2 mm, W85 x H72 x D75 mm, approx. 1.1 kg/piece There is distortion in the washer part (Kojima Yosuke)
Accessories: none
Shure's final high-end cartridge model. It has a smooth sound that is different from the thick, jazz-friendly series, and vocals and classical music are carefully reproduced. There is a slight feeling of use (Takasaki Atsushi)
Maintenance information: 2024.3.7 sound output confirmed
Accessories: none
Main specifications: mm type oval needle frequency band 20 Hz to 22 kHz needle pressure 0.75 to 1.5 g (appropriate 1.25 g) dead weight 7 g
*Currently sold. BOSE's high cost performance model for a wide variety of applications. It reproduces sounds unique to BOSE that are powerful and sharp, such as jazz, rock, etc. You can feel the spread of the sound by swapping the position of the tweeter left and right and listening. Overall, there is dirt and a feeling of use. Serial 017958921760022AC, 017958921760021BC (Fujisawa Yukishi)
Maintenance information: 2024.5.6 operation confirmed
Accessories: saran net
Main specifications: 2 way 2 speakers, 8 ohms, maximum input 60 W, W380 x H240 x D170 mm, 3.9 kg
Single sale rectifier tube 5AR4 compatible ball saw plate (4 notch type) code: f32 B4D2 measured value 52 (rejection value 40) with original box ※ measured values are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, ambient heat beam tube, made in America, JAN measurement value 42/40 (rejected value 25) with white box ※Pairs are determined based on GM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
The price has been reduced. 2024/3/3 sales price 15,000 yen*Currently sold. Yamaha superwoofer equipped with a 20 cm x 2 double woofer. Equipped with active servo technology and a 150W high-power amplifier, it plays bass that is small yet full of volume. There is dirt, dirt and dullness on the exterior, and some floating on the bottom. Serial Z117079QS (Tamura Eiji)
Maintenance information: 2024.3.3 sweep test is good
Accessories: No accessories
Main specifications: used unit 20 cm cone type x 2 rated output 150 W (5 Ω) playback frequency band 20 Hz to 160 Hz high cut filter 40 Hz to 140 Hz, continuously variable W235 x H602 x D463 mm 20 kg
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
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
Pair tube, 6085 compatible ball, made in Germany, measured value 60/60 (rejected value 32) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6085 compatible ball made in Germany measured value 62/62 (rejected value 32) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube smoke made in Canada JAN measured value 86/76 (rejected value 46) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
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
※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
※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
The power cable uses DIP FORMING oxygen-free copper wire with HSE treatment, which is an advanced burn-in treatment, applied to the 1.8 m conductor. The S/N is extremely high, and the strong sound in the low range is also an extremely attractive, high cost performance model. There is a film defect on part of the sheath (Kojima Yosuke)
Accessories: none
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
※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
Sold 1 bottle, 6SL7 high-reliability tube, made in America, red brown base, black plate, measured value 58 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube double triode tube American short base clear top side getter measurement value 102/100 (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
Comes with original box! This is an 8cm full range unit from MarkAudio's ALPair series. It is a self-made unit that is attracting attention because of its technical ability, which has been produced with high accuracy, and has advanced playback capabilities, such as precise and delicate high frequencies. (FUJISAWA KOSHI)
Maintenance information: 2024.5.2 operation confirmed
Accessories: original box
Main Specifications: 8cm full range speaker 4Ω 95-30,000 Hz 85.45dB 10W
Pair tube KT88 compatible sphere Russian metal brown base measurement value 50/50 (rejection theory 44) there is writing on the base with the blue box ※The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: blue box
Sold 1 bottle CV1988/6SN7GTY equivalent ball English tea base measurement value 112 (rejected value 50) with white box*Measured values are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
※It has been replaced with a cloth edge. An improved version of the compact and popular blockbuster model CONTROL1. It is a speaker that can be used in a variety of ways, from pure audio to surround sound. There is a crack in the rubber part of the saran net (Oikawa Tetsuji)
Maintenance information: 2024.5.3 operation confirmed
Accessories: none
Main specifications: 2 way 2 speakers bass reflex bookshelf type 4Ω 125W W157 x H233 x D143 mm 1.8 kg
The flat characteristics make the sound good and are delicate. The sound quality is relatively thick among Audio-Technica models, and I like it without losing too much weight. The cantilever is slightly to the right. There is dirt and dullness (Hiura Katsuji)
Maintenance information: 2024.2.23 sound output confirmed
Accessories: none
Main specifications: mm type output voltage 4 mV needle pressure 0.75 to 1.75 g oval needle self weight 9 g
※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
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
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
TV rack with unknown details. The upper top plate is attached to glass, and there are 2 casters on the back (2 legs in the front), 1 shelf board is about 18 mm thick, and the lower dowel has 3 places at intervals of about 32 mm. There is a feeling of use such as scratches, dents, etc., and the back plate is cut off quite a bit (Takasaki Atsushi)
Accessories: 1 shelf
Main specifications: Outer dimensions approx. W800 × H500 (450 excluding casters and legs) × D400 (upper top plate 355) mm Upper inner dimensions approx. W750 × H130mm Lower inner dimensions approx. W750 × H255 mm Approx. 25 kg
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
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
Sold 1 bottle CV1988/6SN7GTY equivalent ball English tea base measurement value 78 (rejected value 50) with white box*Measured values are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube double triode tube, made in America, JAN measurement value 80/76 (rejected value 32) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube double triode tube, made in America, JAN measurement value 74/72 (rejected value 32) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima)
Accessories: original box
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima)
Accessories: original box
Pair tube, subthermal beam tube, made in China, seems to have been used in the company's power amplifiers, etc. Measured value 68/66 (rejected value 44) with replacement box*The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
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
Speaker Cable 1.9 m Pair Untreated End - Banana Plug Ultra Pure 7NCu/6NCU Hybrid Multi Conductor Cable Offers unrivaled cost performance. The materials and configurations of insulators, coatings, etc. are all the same as 7N and 8N cables, and the density of the contents stands out (Kojima Yosuke)
Accessories: none
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