Compatible needles for COLUMBIA DSN-68, Toshiba N-36C, TRIO N-65, ONKYO DN-67ST, SONY ND-148G, AIWA AN-F10 It has not been opened, and operation has not been confirmed (Murakoshi Yoichi)
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 TRIO and KENWOOD V-36 cartridges. Unchecked because it is only a replacement needle (Kobayashi Hitoshi)
Maintenance Information: Operation Unconfirmed
Accessories: original box
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
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
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
※Since there is no main unit, operation has not been checked. Nagaoka replacement needles. This is a TRIO N-39 compatible product. As for the exterior, the needle tip is slightly to the left (Hiroki Aso)
Maintenance information: 2024.4.7 operation unchecked
Accessories: none
Main specifications: Appropriate needle pressure 1.5g
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
※Shipping service. No. 58 Special Feature = 3rd “THE STATE OF THE ART: Supreme Component” Award Selection/New JBL 4345 Detailed Report/EMT927 vs. Torrance Reference/Listen to the Tannoy SRM Series/Infinity “IRS” Anatomy/1981.4.15 issued. Posted models: JBL/4345BWX MCINTOSH/MC2500 VICTOR/TT-801, CL-P10, TS-1 MICRO/SX-8000, HS-80 ONKYO/INTEGRA P-309, INTEGRA M-509 MARK LEVINSON/ML-6AL AUDI-Technica/AT-34E11 ENTRE/EC-30 SME/3012-R SPECIAL TECHNICS/EPC-C100CMK3 FIDELTY RESEARCH/XF-1 SELLESION/DITTON300 KEF/MODEL105.4 KENWOOD/L-08C, L-08M PIONEER/A-980 SANSUI/AU-D907F SONY/TA-AX8 LO-D/TU-1000 LUXMAN/PD300 ADC/ASTRION LINN/ASAK/ S56.4.15 issued. The photograph is a sample, so the actual product may be broken, or there may be markings etc.
※Shipping service. Special Issue No. 36 = All Speaker Systems (above) Test of the latest 40 models/Sound Quarterly (listen to new products) /1975.10.1 issue. Published models: CHRYSLER/LAB-1000,2000 YAMAHA/NS-451 ALLISON/ONE, TWO SLESTION/UL6, UL8 OMAL/MODEL TL6 CABASSE/BRIGANTIN INFINITI/2000Ⅱ JENSEN/23 YAMAHA/C-1 SANSUI/AU9900,11000, TU9900 LAX/L-80V TECHNICS/ HY-7600,7200, ST-7600,7200 VICTOR/JA-S91, S71, S51, JT-V71, V51 TRIO/KA-7500, KT-7500 DIATONE/DA-U850, DA-F750, DA-U750 GAS/AMPZILA SAE/MARK2500 ALTEC/9440A RADFORD/HD250, ZD22 DENON/DP-1700, DL-109R ,109D DIATONE/DP-91D YAMAHA/YP-600, YP-1000Ⅱ MICRO/TAKE-5 CEC/BD-7000 OTTO/TP-1200 SANSUI/SR-525 GRACE/G714, G704 DUAL/601,1228,1225. The photograph is a sample, so the actual item may be broken or written on it.
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
1 sold bi-triode power tube made in the USA JAN measurement value 58 (rejection value 40) with original box ※ Measured value is gm value measured by tv-7 tester (Yosuke Kojima)
Accessories: original box
TRIO N-39 compatible needle. This is a replacement needle for TRIO V-39. Operation not confirmed (Murakoshi Yoichi)
Maintenance information: operation unconfirmed
Accessories: original box
※Shipping service. Special Feature = All Audio Amplifiers/Latest 96 Model Total Test/2nd Recording Grand Prix Decision/Music and Playback/Audio Diagnosis//Listed Models: NATIONAL/EAS-25HH20 SATIN/M-15, M-15E CORAL/FLAT-5S, FLAT-6S PIONEER/TVX-90, CS-300 TRIO/KL-3060, KL-4060, KL-5080, SANYO/RD-3400, DCX- Published 1300/S45.4.1. The photograph is a sample, so the actual item may be broken or written on it.
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 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
Trio 2-way speakers. A sectional horn is used for the high range, and a free edge is used for the low range woofer. It's an inexpensive yet tasteful sound. The particle board of the hakama deteriorates and falls apart in tatters (Murakoshi Yoichi)
Maintenance information: 2024.6.2 sound output confirmed
Accessories: saran net
Main specifications: 2 way 93dB W392 x H753 x D395 mm 20kg
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
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 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 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
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 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
The price has been reduced! 2024/6/23 sales price 25,000 yen Popular vacuum tube headphone amplifier. By adopting a double triode vacuum tube push-pull system, you can enjoy powerful and dynamic sound. It is also attractive that it has an impedance changeover switch that can be used with various headphones. The exterior has a feeling of use such as dullness and small scratches. Serial 11040004 (Tomoho Asaine)
Maintenance information: 2024.6.23 Operation confirmed
Accessories: original box instruction manual power cord
Main specifications: 650 mW+650 mW 12 AU7 x 2 sticks 16 to 600 ohms W130 x H170 x D259 mm 3.5 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, 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
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 45 Special compatible ball straight heat triode tube fishing rod type filament measurement value 84/84 (rejected value 55) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 45 Special compatible ball straight heat triode tube fishing rod type filament measurement value 86/84 (rejected value 55) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white 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 45Special compatible spherical triode fishing rod type filament measurement value 100/92 (rejection value 55) *Pairs are judged based on GM values measured by test machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube 45Special compatible spherical triode fishing rod filament measurement value 94/86 (rejection value 55) *Pairs are judged based on GM values measured by test machine TV-7 (Kojima Yosuke)
Accessories: none
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
The price has been reduced. 2024/6/2 sales price 59,800 yen Triode line vacuum tube premain developed with the novel concept of an amplifier for women. With its compact, exquisite size and high design, it can be used in a variety of situations. The exterior is good with only a small scratch and there is little feeling of use. (Kobayashi Hitoshi)
Maintenance information: 2024.6.1 operation confirmed
Accessories: power cable
Main specifications: output 3W+3W (8Ω) vacuum tubes 6BQ5 x 2, 12ax7 x 2, dimensions W190 x D180 x H135 mm weight 4.7 kg
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
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
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