Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R1K1 box plate measurement value 44 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 46 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 46 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 46 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 48 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 46 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 48 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 52 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 42 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (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
※Inexpensive because it is in poor condition. Self-made 2way/3way enclosure. The size of the hole is different at the top, with an opening diameter of about 315 mm on the top and about 360 mm on the bottom. There are many peeling veneer, corner pads, scratches, etc. (Oikawa Tetsuji)
Accessories: none
Main specifications: W450 x H1056 x D480 mm approx. 33 kg
※1 bottle only. Maintained! The classic model for professional 1" screwdrivers. It is a driver that is installed in many of the company's 43 series, etc., and is easy to balance with various woofers and tweeters (Daiki Goto)
Maintenance information: 2024.4.23 Maintained (diaphragm installation adjustment, replacement of the following parts. DCR (54871, 5.7 ohm diaphragm, no scratches)
Accessories: none
Main specifications: 1 inch driver, throat diameter: 25 mm, 16 ohms (measured 10/12 ohms), 118 dB, frequency characteristics, 800 Hz to 20 kHz, crossover frequency: 500 Hz or more, 5.1 kg
Fidelity-Research headshell Lightweight and highly rigid. It is characterized by an enveloping shape with a thick aluminum press-processed body. There are dullness and small scratches on the exterior (Tamai Jun)
Maintenance information: 2024.4.19 sound output confirmed
Accessories: none
Main specifications: aluminum stamping dead weight 10g
RCA output terminal cap Due to its completely non-magnetic structure, when inserted into the RCA output terminal, it exhibits a high damping effect, and further improves sound image localization and signal-to-noise ratio. (FUJISAWA KOSHI)
Accessories: quartz resonator QR-8
A new-generation integrated upgrade that brings out the appeal of unique speakers as much as possible by raising the damping factor to 600 and bringing out the appeal of unique speakers as much as possible. The power amplification stage with 3 parallel push-pull power MOSFETs allows you to hear more powerful sound than before. There are no noticeable scratches on the exterior. Serial B0X159 (Fujisawa Yukishi)
Maintenance information: 2024.4.20 Operation confirmed
Accessories: remote control, instruction manual, power cord, original box
Main specifications: rated output 180W+180W (8Ω) input RCA5 systems, XLR2 system, tape input/output 1 system, pre-out RCA1 system, XLR1 system main in RCA1 system, XLR1 system damping factor 600 size W465 ✕ H181 ✕ D428mm weight 24.6 kg