※Shipping service. Characteristics and circuits of 15 famous vacuum tube power amplifier models/genealogy of vacuum tube power amplifier circuits/roundtable discussion talking about famous machines of power amplifies/listening to 7 models of Tama amplifies/Questionnaire to Mr. 8 What is a famous machine for me/ Takesue Kazuma: Memoirs of 30 years of making amplifiers/anthology articles, popular power amplifier production articles/radio engineering companies/1989.12.20 first edition published. The photograph is a sample, so the actual product may be broken, written, etc.
The price has been reduced! 2023/10/7 This is a self-made MC step-up transformer with a sales price of 20,000 yen. According to the specifications, the boost ratio appears to be 1:10. Use it with high output cartridges such as the DL-103! (FUJISAWA KOSHI)
Maintenance information: 2023.10.7 operation confirmed
Accessories: none
Main specifications: MC boost transformer input/output 1 system boost ratio 1:10 W 110 x H45 x D145 mm (actual measurement)
※Shipping service. Written by Morikawa Tadayu/ From the articles published in the “MJ Radio and Experiment” magazine, the one that serves as a reference for amplifier production was selected and revised. A useful book for beginners and veterans alike. Published 2006.9.29. The photograph is a sample, so the actual item may be broken or written on it.
※Shipping service The “Hi-Res Textbook” introduces high-resolution playback methods for listening to good sounds. It is one of the “Absolute Playback Guarantee” books that you can definitely achieve high-resolution playback if you read them. “What is Hi-Res?” It starts with, and covers everything from how to manage “tags” for sound sources and how to back them up. The photograph is a sample, so the actual product may be broken, written, etc.
※Shipping service MJ Radio and the Experimental Editorial Department/Edition - 40 carefully selected rooms that have made audiophile dreams come true. Published 2019.5.18. The photograph is a sample, so the actual product may be broken, written, etc.
Empire's unknown replacement needle. Very similar for 909E/X, but details are unknown. Since there is no main unit, operation has not been confirmed. There is a feeling of use (Takasaki Atsushi)
Maintenance Information: Operation Unconfirmed
Accessories: none
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
Replacement needle for YAMAHA cartridge CG-8000 Since it is only a replacement needle, it has not been checked. (KOBAYASHI Hitoshi)
Maintenance information: operation unconfirmed
Accessories: original box
Replacement needle for YAMAHA cartridge CG-6800 Since it is only a replacement needle, it has not been checked. (KOBAYASHI Hitoshi)
Maintenance information: unconfirmed
Accessories: original box
Replacement needle for YAMAHA cartridge CG-6600S. Since it is only a replacement needle, it has not been checked. (KOBAYASHI Hitoshi)
Maintenance information: operation unconfirmed
Accessories: original box
N-4500/2 compatible Yamaha CG-4500/2 replacement needle Operation has not been confirmed since there is no main unit (Hiura Katsugu)
Maintenance information: operation unconfirmed
Accessories: original box
This is a boost transformer (Type L version) for FR low impedance MC cartridges. There is a sense of clarity, and the clean, straight sound is attractive. There are small wounds and dullness (Oikawa Tetsuji)
Maintenance information: 2024.5.26 Operation confirmed
Accessories: none
Main specifications: input impedance 3 ohms or less, output impedance 47 to 50 kΩ, W158 x H60 x D120 mm, 2.1 kg
Maintained by the manufacturer! A special edition model of VRDS-10. This is the only TEAC player model that uses a Philips TDA1547 as a D/A converter. The sound quality is not sharp due to the hardware of VRDS, and the sound quality is well-balanced, which brings out the characteristics of the relaxed DAC7. In addition to being able to see many scratches on the exterior and top plate and abrasions on the front panel, there is dullness and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.14 manufacturer maintained (flat cable adjustment) 2024.4.13 manufacturer maintained (belt replacement, deteriorated parts replacement, inspection and adjustment of various parts)
Accessories: remote control, copy of instruction manual, lock key
Main specifications: 2-channel CD player frequency characteristics 1 Hz to 20 kHz 8 times oversampling 20 bit digital filter W442 x H149 x D331 mm 11 kg
Maintained by the manufacturer! A special edition model of VRDS-10. This is the only TEAC player model that uses a Philips TDA1547 as a D/A converter. The sound quality is not sharp due to the hardware of VRDS, and the sound quality is well-balanced, which brings out the characteristics of the relaxed DAC7. The exterior has small scratches and a feeling of use such as dullness. ※There is a noticeable scratch on the front panel. Serial 30300 (Yamato Yuki)
Maintenance information: 2024.4.26 Maintained (inspection of each part carried out, tray belt clamp, belt turntable bearing wear, replacement pickup, and mechanical part cleaned and lubricated.
(Check operation)
Accessories: instruction manual copy remote control (for VRDS-15)
Main specifications: 2-channel CD player frequency characteristics 1 Hz to 20 kHz 8 times oversampling 20 bit digital filter W442 x H149 x D331 mm 11 kg
common needle. Compatible cartridges are ONKYO DN-201, AKAI RS-90, MarantzCT-6S, etc. Operation has not been confirmed since there is no main unit (Hiura Katsuji)
Maintenance Information: Operation Unconfirmed
Accessories: original box
common needle. Compatible cartridges include Hitachi VFS-260, SONY VM-25G, YAMAHA CG-6500, ONKYO OC-27V, etc. Operation has not been checked (Murakoshi Yoichi)
Maintenance information: operation unconfirmed
Accessories: original box
common needle. Compatible cartridges are Victor DT-59, ONKYO DN-68ST, etc. Operation has not been confirmed since there is no main unit (Hiura Katsuji)
Maintenance Information: Operation Unconfirmed
Accessories: original box
common needle. Compatible cartridges include Toshiba N-72D, TRIO N-64, Mitsubishi 3D-54M AKAI RS-77, etc. Operation has not been checked (Hiura Katsugu)
Maintenance information: operation unconfirmed
Accessories: original box
common needle. Compatible cartridges include Toshiba N-78D, TRIO N-64, SHARP STY-129, Marantz CTS-143, etc. Operation has not been checked (Hiura Katsugu)
Maintenance information: operation unconfirmed
Accessories: original box
common needle. Compatible cartridges include Hitachi VFS-260, SONY VM-25G, YAMAHA CG-6500, ONKYO OC-27V, etc. Operation has not been checked (Murakoshi Yoichi)
Maintenance information: operation unconfirmed
Accessories: original box
MM/MC phono equalizer from the handmade amplifier workshop Aurora Sound. A model that achieves flat characteristics without coloring using the latest semiconductor technology and a complete DC circuit using the latest semiconductor technology and a Rundahl transformer. Equipped with various functions such as MC/MM switching, MC impedance switching, direct/subsonic filter switching, stereo/mono switching, and cartridge demagnetization, etc., stress-free operability is also attractive. Serial 4J17346 (Fujisawa Yukishi)
Maintenance information: 2024.6.3 operation confirmed
Accessories: instruction manual, power cord, connection cord, power supply unit
Main specifications: [main body] W260 x D250 x H100 mm approx. 3 kg [power supply part] W114 x D200 x H70 mm approx. 1.4 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/5/26 sales price 348,000 yen The current ELAC speakers have arrived! It firmly follows the merits of ELAC up until now, and shines with a higher degree of perfection than ever before. With an expanse that doesn't make you feel the presence of the speaker, and the sound is delicate and bright, it is a practical speaker regardless of genre. There is a small dent in the lower woofer on one side. Serial 31800E000053/31800E000056 (Takasaki Atsushi)
Maintenance information: 2024.5.25 sound output confirmed
Accessories: instruction manual, jumper, spike holder, original box (cushioning material partially broken)
Main specifications: 2.5-way bass reflex type crossover frequency 450/2400 Hz frequency characteristics 30 to 50,000 Hz efficiency 88 dB recommended amplifier power 40 to 300 W rated input 130 W impedance 4 ohms W229 ✕ H1,000 x D266 mm 19.1 kg
Replacement needle for Victor MD-1050Z, Z5P Operation not confirmed (Murakoshi Yoichi)
Maintenance information: operation unconfirmed
Accessories: original box
VICTOR DT-51 and ST-51 compatible needles Unused, unopened Operation has not been confirmed. No warranty, sold as is (Kobayashi Hitoshi)
Maintenance Information: Operation Unconfirmed
Accessories: original box
Compatible needle for VICTOR MD-1013Z Unused, operation unconfirmed (Murakoshi Yoichi)
Maintenance Information: Operation Unconfirmed
Accessories: original box
Main specifications: I think it is 2.5 to 3.5 g.
Victor DT-20 compatible CS-1021 and HMD-1008 compatible replacement needles Operation has not been confirmed since there is no main unit (Hiura Katsuji)
Maintenance Information: Operation Unconfirmed
Accessories: original box
original needle. It combines the delicate expressive power unique to light needle pressure with an energetic, thick sound typical of Type 3. Recommended for those who listen to jazz and rock (Tomonori Asae)
Maintenance information: 2024.6.1 operation confirmed
Accessories: none
Main specifications: mm type frequency range 10 Hz to 25,000 Hz output voltage 3.5 mV needle pressure 0.75 g to 1.25 g weight 6 g
*The stylus is a JICO VN35HE. Good stylus and cantilever. It combines the delicate expressive power unique to light needle pressure with an energetic, thick sound typical of Type 3. Recommended for those who listen to jazz and rock. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2024.6.2 operation confirmed
Accessories: No accessories
Main specifications: mm type frequency range 10 Hz to 25,000 Hz output voltage 3.5 mV needle pressure 0.75 g to 1.25 g weight 6 g
SAEC ceramic shell A beryllium copper washer and a three-point crimping system are used at the arm joint. The overhang can be adjusted by means of a slide plate on the top. There is a cloudy part (Daiki Goto)
Maintenance information: 2024.6.6 continuity confirmed
Accessories: none
Main specifications: sintered aluminum oxide body, 3-point crimping type, weight 18 g
MC boost transformer loaded with transformers developed in collaboration with Tamura, for high impedance. Adopts a completely independent structure for the left and right, including the earth system. It matches Denon's DL-103, etc. The exterior has minor paint peeling and bumps. Serial 298 (Tamura Eiji)
Maintenance information: 2024.6.6 operation confirmed
Accessories: none
Main specifications: primary impedance 40 ohms secondary impedance 4 kΩ boost ratio 10 times W174 x H125 x D121 mm 2.5 kg
※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
Replacement needle for TRIO/KENWOOD cartridge V-39MKIII Since it is only a replacement needle, it has not been checked. (KOBAYASHI Hitoshi)
Maintenance information: operation unconfirmed
Accessories: none
Replacement needle for TRIO/KENWOOD cartridge V-37 It's unchecked because it's only an exchange needle (Kobayashi Hitoshi)
Maintenance information: operation unconfirmed
Accessories: original box
Replacement needle for TRIO and KENWOOD V-36 cartridges. Unchecked because it is only a replacement needle (Kobayashi Hitoshi)
Maintenance Information: Operation Unconfirmed
Accessories: original box
Replacement needles for T-30 and V-30 TRIO KENWOOD cartridges. Unchecked because it is only a replacement needle (Kobayashi Hitoshi)
Maintenance Information: Operation Unconfirmed
Accessories: original box
Replacement needle for Toshiba cartridge C-34M It is unchecked for replacement needle only. (Mizushima Itsuro)
Maintenance information: 2021.7.3 unchecked
Accessories: original box