Equivalent to the Hitachi DS-5T. Replacement needles for HRD-100 and HRD-101 It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: none
Equivalent to TRIO N-39. Replacement needle for N-39 It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: original box
Sony ND-137G equivalent. Replacement needle for VL-38G. It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: original box
Equivalent to Hitachi DS-ST23 Replacement needle for MT-23 It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: original box
Equivalent to Hitachi DS-ST23 Replacement needle for MT-23 It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: original box
Sony ND-150G equivalent. XL-150G replacement needle It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: original box
Sony ND-131G equivalent VM-1200G replacement needle It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: original box
Sony ND-138G equivalent Replacement needle for VL-38G. It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: none
Equivalent to PIONEER PN-330M/2 PC-330/2 replacement needle It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: original box
Equivalent to PIONEER PN-330M/2 PC-330/2 replacement needle It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: original box
Equivalent to PIONEER PN-330M/2 PC-330/2 replacement needle It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: original box
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, 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
※1 XLR cable 1.5m male phone jack plug is made by Neutrick and is originally a microphone cable, so sound removal is good. There is an appearance, threads, and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.9.18 Conductivity confirmed
Accessories: none
Main specifications: Electromagnetic shielded microphone cable, 4 cores, outer diameter: 6.0 mm
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
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)
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
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
※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.
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
The price has been drastically reduced. 2021.6.23 sales price 49,800 yen ※Conductivity has been confirmed, but since the terminal has not been treated and the ground wire is broken, it is currently sold. Exclusive tone arm for DECCA MARK 1/2/3 cartridges. Simple structure using straight pipes. Since the needle pressure is a dedicated arm, it is preset and set to an appropriate value. It is designed to maintain an optimal state for the head of the company (Murakoshi Yoichi)
Maintenance Information: 2021.6.13 Continuity Confirmed
Accessories: armrest
Main specifications: static balance type, total length 303 mm, execution length 225 mm
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
※Shipping service. No. 65 Special Feature = Premium Preamp vs. 72-Way Power Amplifier Compatibility Test/THE BIG SOUND = Westminster/New Arrival JBL L250, Diatone DS-5000 Audition Published on 1983.1.15. Published models: DIATONE/DS-5000 YAMAHA/NS-2000 INFINITY/REFERENCE STANDARD1 B&W/801F PROFESSIONAL STUDIO MONITOR, DM7 MK2 REFERENCE MONITOR, DM17 MINI MONITOR YAMAHA/GT2000L AUDIO-TECHNOICA/AT37E, AT700T ORTFON/MC2000, T-2000 JBL/B460, L250 ENTRE/EC-35 ONKYO/SCEPTER200 TECHNICS/SB-M2S VICTOR/ZERO100 ROGERS/LS-5 MARK LEVINSON/ML-12L, ML-11L ONKYO/INTEGR A-820GTR SONY/TA-F555ES TRIO/KA-2200 LINN/ BASIK SYSTEM THORENS/TD147 YAMAHA/MC-2000, HA-3 The photo is a sample, so the actual item may be broken, have marks, etc.
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
※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
※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 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
※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
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
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
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
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
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
Pair tube, triode, metal base, made in America, with original box*Pairs are determined based on EM values measured by the SENCORE TC-162 testing machine (Kojima Yosuke)
Accessories: original box
※Shipping service. No. 160 Special Feature = 40th Anniversary = Masterpieces of Yesteryear, Modern Masterpieces/JBL Project Everest DDD66000/Avalon ISIS Detailed Report/2006.10.15. The photo is a sample, so the actual item may be broken, have marks, etc.
※Shipping service. Tetsuo Nagaoka's second analog world! Even the best CDs can't surpass the best analogs! A creative record guide that is increasingly gaining value in the CD era by selecting excellent recordings and super excellent recording LPs! /First issue on 1985/10/15. The photograph is a sample, so the actual item may be broken or written on it.
Maintained in October 2022! A network with a crossover frequency of 7 kHz. Ideal for MID/HIGH 3-WAY systems using the 2440. On the exterior, paint is bald and oxidized (Yonejima Satoshi)
Maintenance Information: 2022.10.7 Maintained (Terminal rust removal, acid cleaning, insulation bushing & mounting screw replacement. ATT replacement A frequency characteristic measurement check (~ approx. 42 kHz) was performed, and the original capacitor was continuously used for good results. Input/output waveform and balance check, sound output check.)
Accessories: no accessories
Main specifications: crossover frequency 7 kHz allowable input (continuous program) 50 W impedance bass range: 12 to 16 ohms treble range: 12 to 16 ohms treble attenuation/variable volume mounting hole W140 x 108 mm 0.7 kg
The price has been reduced! 2020/11/9 sales price 70,000 yen maintenance completed. This is a 2-way network. Since bass can be pushed out well, and high frequency adjustment ranges can be obtained with 2 types of HF/MF attenuators, it is a model that is easy to match the desired sound quality. There are small scratches on the exterior due to the feeling of use. Serial 05234 07210 (Makoto Kono)
Maintenance information: 2020.11.9 maintained (common wiring reinforcement terminal solder removal, rust removal treatment, cleaning, ATT (x4) contact disassembly cleaning, contact grease application, frequency characteristic measurement check (~ approx. 42 kHz), continue using the original capacitor for good results, input/output waveform and balance confirmation sound check)
Accessories: none
Main specifications: W114 x H190 x D228 mm 1.8 kg Crossover frequency 1.2 kHz Impedance 8 ohms Level control is continuously variable up to -8 dB in the middle range is 2 kHz and the high range is continuously variable up to -6 dB at 10 kHz
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, PX4 equivalent tube, direct thermal triode, made in England, measured value 54/52 (rejection value 39) with white box (there is writing on the box) *The pair was judged based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Variable Resistor Attenuator Bridge T Type 21 Steps Maximum Attenuation 50 dB Impedance 600 Ohms W45 x 64 mm 140 g with Volume Knob (Kojima Yosuke)
Accessories: volume knob (attached to the main unit)
Maintained! A network with a crossover frequency of 7 kHz. Ideal for MID/HIGH 3-WAY systems using the 2440. On the exterior, there is a feeling of use, such as paint peeling off and scratches scattered around. Serial 17041 17049 (Hiroki Aso)
Maintenance information: 2023.3.31 Maintained (terminal rust removal, acid wash, insulating bushing & mounting screw replacement, ATT brand new replacement, frequency characteristic measurement check (~ approx. 42 kHz), continue using the original capacitor for good results, input/output waveform and balance confirmation sound output check)
Accessories: none
Main specifications: crossover frequency 7 kHz allowable input (continuous program) 50 W impedance bass range: 12 to 16 ohms treble range: 12 to 16 ohms treble attenuation/variable volume mounting hole W140 x 108 mm 0.7 kg
The large triode print sold in Japan has disappeared, but I think it was made by NEC from the structure. Measured IP value: 45 mA (the best standard IP value for this amplifier is 50 mA) with the original box ※ I checked the sound output with the test amplifier and measured the plate current value, and it has been determined that the operation is good (Kojima Yosuke)
Accessories: original box
Pair tube triode metal base, made in America, original with box ※ The pair was determined based on the EM value measured by the SENCORE TC-162 tester (Kojima Yosuke)
Accessories: original box
Pair tube direct thermal triode made in England measured value 54/50 (rejection value 39) with replacement box The plate shape of the spring fixing part on the top of the head is slightly different on the left and right, and there is discoloration on the plate on one side ※ The pair was determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube 45 Special/38142 compatible ball, direct heat triode, fishing rod type, filament measurement value 120/118 (rejection value 55) with original box ※ The pair was determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube (checked with a tube checker) beam quadrupole. There is a tea box. Measured value 36,34/30 (rejection value) *The pair was determined based on the GM value measured by the testing machine TV-7. The ※ logo is scratched, so it's a bargain.