Pair tube, 5 pole tube, smoke mesh plate, made in England, measured value 40/40 (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 KT88 compatible ball American metal base measurement value 58/52 (rejection value 44) There is getter burn and loss on one side, and there is dullness on the base on the other side ※The pair is judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Speaker cable, 4.5 m pair, Y lug specification, varistrand structure, high purity copper, 8+8 braid structure, Teflon coating. It is a standard model of Kimber Cable that is clear, has a high SN, and has a wide sound field (Kojima Yosuke)
Accessories: none
※It is inexpensive because it leaves cracks in the VOL. A headphone amplifier that allows you to enjoy the sound of 2 systems: a vacuum tube and a transistor. It has a built-in USB DAC compatible with 24 bit 96 kHz, and it is a blissful item that allows you to immerse yourself in both digital and analog worlds to your heart's content. Scratches on the transformer area are slightly noticeable. Serial 12060066 (Fujisawa Yukishi)
Maintenance information: 2024.6.3 operation confirmed (sound output OK, gaps remain in VOL)
Accessories: instruction manual, power cord
Main specifications: Vacuum tube using a class single headphone amplifier 6BM8 x 2 vacuum tube output 20Ω to 600Ω (45mW to 135mW) transistor output 12Ω to 300Ω (40mW to 135mW) frequency characteristics 10Hz to 50,000 Hz SNR 89dB power consumption 30W size W190 x H150 x D250 mm mass 4.7 kg
Large triode sold per unit measured IP value: 50 mA (the best standard IP value for this amplifier is 50 mA) There is a getter burn with the original box ※ I checked the sound output and measured the plate current value with the test amplifier, and it was determined that the operation was good (Kojima Yosuke)
Accessories: original box
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
Pair tube direct heat triode tube, white base, made in Russia, measured value 80/80 (rejected value 58) with original box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, 5 pole tube, smoke mesh plate, made in England, measured value 34/34 (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
There is no problem with the operation, but it will be handed over as is. Yamaha subwoofer. You can easily enjoy powerful sound. The high-cut filter allows you to listen in the desired range, so the range of uses also expands. The exterior has a slightly raised part on the top plate, and there is a scratch on the back corner (Mizusaki Ryo)
Maintenance information: 2024.5.9 sound output confirmed
Accessories: none
Main specifications: A-YST method anti-magnetic amplifier output 250W playback frequency band 20Hz to 160Hz high-cut filter frequency 40Hz to 140Hz continuously variable W340 x H432 x D370 mm 17 kg
A slow starter that slowly starts the connected device and protects it from inrush current when the power is turned on. PSE standard product The front panel indicator gradually brightens in sync with the gentle power start, and you can visually confirm the soft start. Serial 0919HA7026120709 (Fujisawa Yukishi)
Maintenance information: 2024.6.3 continuity confirmed
Accessories: No accessories
Main specifications: Output/input capacity 1500 VA, output frequency 50/60 Hz, standby power 0.01W or less, W130 x H94 x D267 mm (without protrusions) 1.8 kg
Pair tube, 5 pole tube, smoke mesh plate, made in England, measured value 36/36 (rejected value 25) with white box, so it's inexpensive because it makes a rattling noise in 1 tube ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
DENON's classic MC cartridge. The balance of localization and sound is excellent, and all music genres can be played without difficulty. I can recommend this cartridge to a variety of people, from analog beginners to experts (Sasaki Shota)
Maintenance information: 2024.6.13 operation confirmed
Accessories: needle cover
Main specifications: MC type output voltage 0.3 mV playback frequency 20 Hz to 45 kHz electrical impedance 40 ohms needle tip 16.5 microns round needle pressure 2.2 to 2.8 g dead weight 8.5 g
The price has been drastically reduced. 2024/5/17 sales price 24,800 yen. Q ACOUSTICS 2-WAY BOOKSHELF. Once the setting is decided, you can enjoy a variety of music genres with a sense of scale that makes you doubt the size. There are dents around the upper corner on one side, and there is slight dullness throughout (Murakoshi Yoichi)
Maintenance information: 2024.5.16 sound output confirmed
Accessories: saran net, rubber feet
Main specifications: 2 way 6Ω 88dB W170 × H260 × D226 mm 4,6 kg
Pair tube direct heat triode tube, white base, made in Russia, measured value 84/76, rejected value 58) with replacement box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
DENON's classic MC cartridge. The balance of localization and sound is excellent, and all music genres can be played without difficulty. It is a cartridge that can be recommended to a variety of people, from analog beginners to experts. The cantilever is slightly to the right (Sasaki Shota)
Maintenance information: 2024.6.13 Sound output operation confirmed
Accessories: needle cover
Main specifications: MC type output voltage 0.3 mV playback frequency 20 Hz to 45 kHz electrical impedance 40 ohms needle tip 16.5 microns round needle pressure 2.2 to 2.8 g dead weight 8.5 g
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
Pair tube 6L6GC compatible ball high reliability tube made in America lot: 8526/8526 measured value 44/42 (rejected value 25) with replacement box*Pairs are determined based on GM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
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
*Currently sold. The output has been changed to an RCA female terminal. FR MC boost transformer using a toroidal core. Create a natural sound that makes it easy to understand the characteristics of cartridges. In addition to switching the impedance of 10 to 30 ohms, there is also a bypass position, so it is compatible with various cartridges without taking up much space. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.21 Operation confirmed
Accessories: copy of instruction manual, connection cable
Main specifications: impedance 10 ohm/30 ohm/PASS playback frequency band 20 Hz to 30 kHz W64 x H64 x D105 mm approx. 455 g
Comes with original box First arrival at Hi-Fi Hall. Headphones with a focus on sound and design. You can enjoy it regardless of genre with clear lines of sound. It is characterized by being comfortable to wear without the impression that it is being compressed. It is in good condition (Sasaki Shota)
Maintenance information: 2024.6.2 operation confirmed
Accessories: manual, original box, connection cable
Main specifications: diamic sealed 40mm driver frequency characteristics 20 to 22 kHz impedance 30 ohms cord length 1.2 m 230 g
DENON's classic MC cartridge. The balance of localization and sound is excellent, and all music genres can be played without difficulty. It is a cartridge that can be recommended to a variety of people, from analog beginners to experts. The exterior is dull. Serial 5997 (Yonejima Satoshi)
Maintenance information: 2024.6.12 Operation confirmed
Accessories: needle cover
Main specifications: MC type output voltage 0.3 mV playback frequency 20 Hz to 45 kHz electrical impedance 40 ohms needle tip 16.5 microns round needle pressure 2.2 to 2.8 g dead weight 8.5 g
※The remote control is out of stock, so it's cheap. Marantz CD player with excellent value for money. The smooth sound quality spans from mid to high frequencies, so you won't get tired of listening even when you listen for a long time. This is a bargain machine with a sense of SN that is more than the price. There is dullness and a feeling of use (Kanai Hidetsugu)
Maintenance information: 2024.6.2 sound output confirmed
Accessories: instruction manual
Main specifications: CD player, CD-R/RW/MP3 file playback compatible, HDAM circuit adopted, size W440 x H89 x D317 mm, weight 5.7 kg
Pair tube VT-115 equivalent tube, high durability tube, metal tube, tea base, measured value 48/46 (rejected value 25) with white box ※Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode tube American-made smoke measurement value 68/68 (rejection value 38) with white box (lid claws are missing) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
ST link cable 1.0 m high purity pure quartz fiber with ultra-precise polishing finish (grain size 20000). ST link cables are now valuable. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2024.6.20 continuity confirmed
Accessories: No accessories
Pair tube VT-115 equivalent tube, high durability tube, metal tube, tea base, measured value 46/44 (rejected value 25) with white box ※Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode tube American-made smoke measurement value 72/70 (rejection value 38) with white box (lid claws are missing) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode tube made in Russia measured value 72/70 (rejected value 38) with original box (inner cushioning material has deteriorated) *Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube large transmission tube direct heat triode tube made in China gold base gold foot measured IP value 47mA/47ma (the best standard IP value for this amplifier is 50mA) with original box (part of the box is damaged) *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
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
The price has been reduced! 2024/6/6 sales price 19,800 yen This graphic equalizer has excellent basic performance and a 2ch/31-band configuration that enables high-quality equalization with a 45mm fader. The inputs and outputs are electronically balanced, compatible with XLR, standard phone jacks (3P), and screw terminals, and a built-in power transformer. It helps with detailed sound quality correction, which is now valuable. The exterior is dull and has a feeling of use. Serial 01015239 (Tomonori Asaine)
Maintenance information: 2024.6.6 operation confirmed
Accessories: power cable original box
Main specifications: 31 bands 10Hz to 50kHz (+0.5/-3dB) 18W XLR x 2, TRS phone x 2, screw-locked input terminal W483 x H123 x D201 mm 5.1 kg
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
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
It seems that the pair tube is made of TESLA due to its 6CA7 compatible ball brown base double ring getter structure. Measured value 54/52 (rejected value 30) with original box ※ pair is determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
It seems that the pair tube is made of TESLA due to its 6CA7 compatible ball brown base double ring getter structure. Measured value 52/52 (rejected value 30) with original box ※ pair is determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original 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
※ There is no problem with operation, but it is sold as is because it is cheap. Headphone amplifier using vacuum tubes. You can enjoy a clean sound (Oikawa Tetsuji)
Maintenance information: 2024.6.17 Operation confirmed
Accessories: power cable
Main specifications: Vacuum tube used 6N16B W210 x H70 x D330 mm 3.1 kg (actual measurement)
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
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
*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
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
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
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