※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.
※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.
※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.
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
※Set of 2 (not treated as a pair due to different internal structures), double triodes, made in Russia, measured value 114/110 (rejection value 50), replacement box included ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Single sale direct heat triode tube, made in Russia, white base, measured value 78 (rejected value 58) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original 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 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 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
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
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 direct heat triode tube, white base, made in Slovakia, measured value 76/70 (rejected value 58) with original box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original 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
The disposal price has been reduced! (Member prices are not applicable) 2024/4/8 sales price 198,000 yen Maintained! Macton tubular OTL stereo power amplifier. Eight 6RA3 triodes are used in parallel per channel to enhance load impedance adaptability, and it also features a structure with Macton's unique balanced NF applied. The sound unique to OTL is thick and has a high sense of energy, and the high driving power is also attractive. The appearance is oxidized and dull. Serial 40704 (Yonejima Satoshi)
Maintenance information: 2024.4.8 Maintained (power transformer primary side rewound repair by PSE inspection. 3 vacuum tube 6RA3 replacements Vacuum tube 6AQ8 replacement. Main volume disassembly cleaning repair. Vacuum tube socket and RCA jack caulk repair. Operation has also been checked with AC 100V (rated output 32W, SP:16Ω), please use speakers above 16Ω)
Accessories: No accessories
Main specifications: tubular low-load OTL stereo power amplifier 30W x 30W (8Ω) vacuum tube used: 6RA3 x 10/6RA8 x 2/12AX7 W370 ✕ H160 ✕ D270 mm 12 kg
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
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
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 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, 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, 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
Sold per bottle, 300B equivalent tube, direct heat triode, English tea base, double ring getter, measurement value 66 (rejection value 58) with original box*The measured values represent the gm values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
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
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
Replacement needle for TRIO KENWOOD V-53 cartridge Unchecked because it is only a replacement needle (Kobayashi Hitoshi)
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
Replacement needle for TRIO KENWOOD cartridge DM-11 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
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
Pair tube direct heat triode tube, made in America, JAN measured value 74/74 (rejected value 38) with white box ※Pairs are determined based on gM values measured by the testing 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
※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
※The sound output operation has been confirmed, but there is a slight band gap, and since it is cheap, it will be handed over as is. Trio quadruple varicon-type FM/AM tuner. The high range is moderate, but the fresh, thick sound that is difficult to obtain with a synthesizer tuner is attractive. The exterior has spots, small scratches, and rust spots (Mizusaki Ryo)
Maintenance information: 2015.3.4 manufacturer maintenance (The detection circuit offset has been adjusted. Other adjustments have been made to RF, detection, VCO, separation, meter, etc. (There is a contact problem with the switch and volume, but since parts are not available, the contacts have been cleaned)
Main specifications: W430 x H149 x D376 mm 8 kg
A masterpiece tuner equipped with an 8-channel vari-controller. It was introduced to the world as the first pulse-counting unit developed by Trio ahead of the rest of the world, and it is a model with a reputation for sound quality. You can get a sense of satisfaction just by turning the heavy tuning knob. Serial 530245 (Fujisawa Yukishi)
Maintenance information: 2024.4.21 operation confirmed
Accessories: copy of instruction manual
Main specifications: FM dedicated tuner, equipped with 8 vari-controllers, W440 x H154 x D393 mm, 11.5 kg
※Operation not checked. This is a standalone remote control for the TRIODE TRV-A300XR. If you have been looking for it, please take this opportunity. There is an exterior, small wounds, and dullness (Kobayashi Hitoshi)
Maintenance information: operation unconfirmed
Accessories: none
*6-month warranty Triode MM/MC compatible phono equalizer. You can easily enjoy records even with an amplifier that does not have a PHONO input. It's slightly dull (Daiki Goto)
Maintenance information: 2024.4.10 operation confirmed
Accessories: instruction manual, power cable
Main specifications: semiconductor circuit input impedance mm47kΩ/mc2Ω to 47Ω compatible gain mm36dB/mc55dB W90 x H100 x D230 mm 1.6 kg
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
The price has been drastically reduced. 2024/1/15 sales price 118,000 yen pair tube 45 special compatible ball straight heat triode fishing rod type filament made in America measurement value 90/86 (rejected value 55) with white box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
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, 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
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