A one-owner item that has only been used for a short period of time, and is a beautiful item with the original box! It is the successor to the TRX-1 vacuum tube preamp, and the power supply unit rectifier circuit was changed from a rectifier tube to a SiC Schottky barrier diode with high efficiency and excellent response characteristics, and the power supply unit was strengthened and reliability improved while keeping the convenient and easy-to-use functions intact. Serial 24080008 (Tomonori Asaine)
Maintenance information: 2025.5.12 operation confirmed
Accessories: original box, remote control, instruction manual, power cord
Main specifications: input sensitivity 250 mV frequency characteristics 10 Hz to 100 kHz SNR 91 dB input impedance 100 kΩ output impedance 700 Ω power consumption 30 W external dimensions W340 x D310 x H185 weight 10.5 kg
The pair tube direct heat triode is thought to be made in America due to its double square getter structure. The measured value is 62/54 (rejected value 38) with original box written on the base part on one side, and it makes a rustling noise inside the tube*The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
The disposal price has been reduced (member prices are not applicable). 2025/3/28 sales price 148,000 yen per bottle engraved direct heat triode measurement value 46 (rejected value 34) with white box ※The measured values indicate GM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube top grid ambient heat triode tube made in America, no code, measured value 34/32 (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
Direct thermal triode square getter sold per bottle JAN measured value 64 (rejected value 38) with white box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Single sale direct heat triode double square getter JAN measured value 60 (rejected value 38) with white box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode smoke, made in America, seems to be an OEM product for Canadian Marconi. Measured value 70/68 (rejected value 38) with original box (box is damaged) *Pairs are judged based on values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode smoke, made in America, seems to be an OEM product for Canadian Marconi. Measured value 66/66 (rejected value 38) with original box (box is damaged) *Pairs are judged based on values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
The price has been reduced! 2024/4/7 sales price 2,000 yen ※ 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
Pair tube direct heat triode double square getter JAN measured value 64/54 (rejected value 38) is inexpensive because there is a slight opening in the measured value with a white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: tea box
※Shipping service. Separate volume Stereo Sound Tube Kingdom/Special Feature = Lonely World of Large Direct Thermal Triode Amplifiers 211 · 845/EL34 · 6CA7 Output Tubes = Listening and Comparing Current Production Tubes/Published 2008.5.28. Since the photograph is a sample, the actual product may be broken or there may be markings etc.
※Shipping service. Special feature = direct heat triode tube 2A3 listening comparison of 10 types of current production tube/ Revealing the power of compact speakers with tube amplifiers/immerse yourself in the realism of WE15B horn+8B, 9A amplifiers. Published 2008.8.28. Since the photograph is a sample, the actual item may be broken or have markings etc.
※Shipping service. No. 58 Special Feature = 3rd <THE STATE OF THE ART SUPREME COMPONENT> AWARD SELECTION/ NEW JBL4345 Detailed Report/ EMT927VS Torrence Reference/Listen to Tannoy SRM Series/Infinity “IRS” Anatomy/1981.4.15 issue. Published 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. Since the photograph is a sample, the actual item may be broken or have markings etc.
※Shipping service. No. 13 Special Feature = Special Stereo Component Collection Using Switching Tests/Opening Discussion: Yasuoka Shotaro, Gomi Kosuke/Fun with Paper Component Plans/Published Models: VICTOR/MCA-105, MCT-105, MCP-105, MCM-105, CF-105, ICM-105 Hitachi/SR-300, SR-600, IA-1200,, HS-600 DPK-405 PM-70 TRQ-757D TA-1120F TA-3120F, TA-3060, TA-1166, ST-5300, TA-1000, STR-200, TC-6360, TC9800 ONKYO/INTEGRA712, PREVIOUS, PIONEER/STM-31, PHILLPIONEER/CS-500, CS-700, INTEGRA713 INTEGRA714 INTEGRA701 INTEGRA613 INTEGRA401 STT-31 CP-31 RP-31 TX-70, SF-70 MITSUBISHI/DA-30T, DA-30R TRIO/KL-5060 AKAI/M-10, X-330D /S45.1.20 issued. Since the photograph is a sample, the actual item may be broken or have markings etc. Since the photograph is a sample, the actual item may be broken or have markings etc.
※Only 1 direct thermal triode tube Czech serial 7267 measured value 76 (rejected value 58) with replacement box*Measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube direct heat triode tube, made in America, JAN smoke measurement value 62/60 (rejection value 38) with white box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white 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 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 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
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
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/KENWOOD cartridge V-37 It's unchecked because it's only an exchange needle (Kobayashi Hitoshi)
Maintenance information: operation unconfirmed
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
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
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