The exterior of the woofer mounting clamp, which seems to be a self-made set of 5, has variations in the cutting part, there are corrosion and mounting marks all over, and there is a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: Mounting part, claw depth approx. 12 mm, 27 x 24 x 18 mm
Variable Resistor Attenuator Bridge T Type 21 Steps Maximum Attenuation 50 dB Impedance 600 Ohms W45 x 64 mm 140 g with Volume Knob (Kojima Yosuke)
Accessories: volume knob (attached to the main unit)
One-piece rectifier tube, fishing rod type filament made in China, incorporates the structure of the original WE274 and is well-built. Measurement value 56 (rejected value 40) with replacement box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing is CV4004, the printing is a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 42 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing was a reprint. The plate is not a box type, but only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 36 (rejection value 32) with replacement box*The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Sold 1 bottle 12AU7 compatible sphere smooth plate measurement value 106 (rejection value 56) The printing with the white box has almost disappeared, but it was determined that it was an ECC82 made in Yugoslavia from the structure*The measured value represents the gm value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
TV rack with unknown details. The upper top plate is attached to glass, and there are 2 casters on the back (2 legs in the front), 1 shelf board is about 18 mm thick, and the lower dowel has 3 places at intervals of about 32 mm. There is a feeling of use such as scratches, dents, etc., and the back plate is cut off quite a bit (Takasaki Atsushi)
Accessories: 1 shelf
Main specifications: Outer dimensions approx. W800 × H500 (450 excluding casters and legs) × D400 (upper top plate 355) mm Upper inner dimensions approx. W750 × H130mm Lower inner dimensions approx. W750 × H255 mm Approx. 25 kg
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing is CV4004, the printing is a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 44 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing was a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 38 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
1 bottle sold CV4085/6267 compatible ball mesh shield code: 8Y5 L2B measurement value 56 (rejection value 33) all the prints with the white box have disappeared, but it was determined to be EF86 based on the structure and code ※ The measured value shows the GM value measured with the test 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
※There is no problem with operation, but it is currently sold because it is cheap. A subwoofer that can also be installed in a home theater or for those with insufficient bass in the system. The settings are simple, and you can create sound according to the speaker and room conditions. There are scratches, dirt, dullness, etc. (Oikawa Tetsuji)
Maintenance information: 2024.3.3 operation confirmed
Accessories: none
Main specifications: 1 way, 1 speaker, advanced YST system, floor type, anti-magnetic high-cut filter, 50-150 Hz, continuously variable dimensions, W235 x H485 x D409 mm, weight 14 kg
※Since it is cheap, it will be handed over as is. A subwoofer that can also be installed in a home theater or for those with insufficient bass in the system. The settings are simple, and you can create sound according to the speaker and room conditions. The exterior has some holes in creases and threads. Serial Z213158SU (Yonejima Satoshi)
Maintenance information: 2024.2.24 sweep check OK
Accessories: instruction manual
Main specifications: 1 way, 1 speaker, advanced YST system, floor type, anti-magnetic high cut filter, 50 to 150 Hz, continuously variable, W235 x H485 x D409 mm, 14 kg
*Currently sold. Yamaha superwoofer equipped with a 20 cm x 2 double woofer. Equipped with active servo technology and a 150W high-power amplifier, it plays bass that is small yet full of volume. There is dirt, dirt and dullness on the exterior, and some floating on the bottom. Serial Z117079QS (Tamura Eiji)
Maintenance information: 2024.3.3 sweep test is good
Accessories: No accessories
Main specifications: used unit 20 cm cone type x 2 rated output 150 W (5 ohms) playback frequency band 20 Hz to 160 Hz high cut filter 40 Hz to 140 Hz, continuously variable W235 x H602 x D463 mm 20 kg
*Due to poor LOW volume, the specification has been changed so that only the low frequencies come out at full throttle. Other volumes can be used as normal. A pretty rare Yamaha channel divider. An electronic crossover network equipped with continuously variable crossover frequency, a 3-stage slope selector, and a Q control circuit. For 2 to 3 ways. The exterior has small scratches and dullness (Oikawa Tetsuji)
Maintenance information: 2024.4.24 Maintained (switches and volume contact repairs, LOW volume has passed circuitwise because parts cannot be obtained)
Accessories: none
Main specifications: crossover frequency Low-Mid: 50 Hz, 100 Hz, 200 Hz, 400 Hz, 800 Hz Mid-High: 800 Hz, 1.6 kHz, 3.2 kHz, 6.4 kHz, 12.8 kHz Low-Mid: 35 Hz to 1.13 kHz continuously adjustable by crossover fine adjustment knob, Mid-High: 565 Hz to 18.1 kHz continuously variable W435 × H72 × D349 mm 7.5 kg
A set of 2 seems to be a choke transformer, but the details are unknown. Measured DC resistance value 380/373Ω W31H95 x 44mm 0.31 kg/piece (actual measurement, not including protrusions), only conduction and resistance values have been confirmed by a tester (Kojima Yosuke)
Accessories: none
A line transformer equipped with 2 WE repeat coil 111C transformers (transformers for telephone voice relay). Although the range is narrow, the thickness has increased and the analog-like sound quality is very pleasant to the ears. There is a small scar on the dust (Oikawa Tetsuji)
Maintenance information: 2024.4.22 operation confirmed
Main specifications: input/van lance x 1 system unbalance x 1 system output/van lance x 1 system unbalance x 1 system 150 x 160 x 155 mm 6.66 kg (actual measurement)
Sold per bottle, general purpose amplifier tube, top mark, JAN, made in America, measured value 38 (rejected value 28), with replacement box (the lid of the box is missing) *The measured values are values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement 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
1 bottle of side-heat beam tube, made in France, smoke measurement value 42 (rejection value 25), replacement box included, printing is missing ※ the measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
2.6 m speaker cable sold per cable, 98 SCMC-OFC conductors, parallel multiple stranded wire type that uses 1 pair of strands, has relatively good treble range extension in the company's speaker cable lineup, and it is a cable that matches well with the overall softness of the sound (Kojima Yosuke)
Accessories: none
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 6CA7 compatible sphere Russian reprint model measurement value 46/42 (rejection value 30) white box with getter burn ※The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube metal brown base Russian dharma tube measured value 60/58 (rejected value 44) with white box, printing on one side often disappears ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6CA7 compatible sphere Russian reprint model measurement value 52/48 (rejection value 30) white box with getter burn ※The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
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
※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
Pair tube ambient heat beam tube made in Japan Hi-Fi measurement value 46/44 (rejection value 25) with original box (inner box/outer box) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box (inner box/outer box)
Pair tube, large beam output tube, 8147 compatible bulb, gray plate for Hi-Fi, with original box (outer box/inner box), has slightly decreased getter for both tubes ※ The pair measures and determines EM values with the measuring machine TC-162 (Kojima Yosuke)
Accessories: original 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
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 58/58 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 62/60 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 74/72 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Maintained by the manufacturer. A VRDS collaboration model incorporating DAC7, a Philips DAC. It is a player with a high degree of perfection that successfully combines the certainty of a TEAC skeleton with a PHILIPS DAC. You can see the high degree of perfection, where you can feel that it is tight and supple. There is dullness and small scars (Oikawa Tetsuji)
Maintenance information: 2024.4.20 Maintained by the manufacturer (belt replaced, other parts replaced, and various parts inspected and adjusted)
Accessories: remote control
Main specifications: VRDS Mecha Philips DAC7 analog output 1 system digital output 2 systems W442 × H149 × D331 mm 10 kg
Maintained. This is the X-2000R, the best model in the X series. It boasts performance that surpasses the X-1000R, such as a CA (cobalt amorphous) head and a newly designed equalizer amplifier, and you can listen to damped sounds with little noise due to the DBX installation. There are stains and bumps on the exterior. Serial 20066 (Tamura Eiji)
Maintenance information: 2024.4.18 Maintained (flywheel detachable cleaning and capstan shaft cleaning oil applied, capstan belt replacement, grease applied to the foot wheel stator bearing part. Pinch roller drive mechanical disassembly cleaning and grease application, pinch roller cleaning and pinch roller shaft oil application, tape pass check. Head cleaning and head azimuth angle check adjustment. Left and right impedance roller detachment fall cleaning and oil application, left and right tension arm detachment cleaning and cushion replacement, tension sensor cleaning, and tension roller shaft cleaning oil application. Reel stand tension adjustment (FWD/REV-PLAY winding tension and tension adjustment during FF/ REW) playback and recording AMP electrolytic capacitor check and partial replacement, meter lamp, DBX display lamp replacement, replacement procedure due to deterioration of power supply protection resistance. MIC, LINE, OUTPUT volume contact cleaning Contact cleaning by detaching and disassembling the monitor SW, REC mode SW, tape bias selector SW, and DBX SW. Playback level check and adjustment, recording level and vise check and adjustment, DBX amplifier level check and adjustment, recording and playback tests are excellent. Left and right legs missing additional reference value W&F during self-recording and playback (0.02% (WTD))
Accessories: clamper
Main specifications: 4-track, 2-channel stereo format, W432 x H456 x D268 mm, 21.0 kg
Full internal and external maintenance completed in 2022! This is the second generation of Tannoy's famous machine ARDEN. The warm and soft tone is attractive. It plays all kinds of music lusciously and gently. In particular, it works great with vacuum tube amplifiers, and the sense of orchestra scale and smooth playback of stringed instruments are satisfying enough to listen to. The exterior has some impact scratches and board repair marks on one side of the hakama part. Serial 003354/003047 (Fujisawa Yukishi)
Maintenance information: 2022.9.23 Maintained (terminal screws, rust removal, acid washing, cleaning. Internal connection terminal (faston) replaced with a new one. ATT (SW type) contact cleaning. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used because the results were good. Check the input/output waveform and balance, and check the sound output. Unit maintenance (high range side: magnetic circuit gap cleaning/center adjustment) exterior repair/polishing/oil finish. Front and rear baffles/hakama repair/painting Saran net replacement)
Accessories: saran net
Main specifications: 2 way, 1 speaker, bass reflex system, floor type specification unit 3828, crossover frequency, 1 kHz, output sound pressure level, 91.5 dB, 8 ohms, dimensions W660 x H990 x D370 mm, weight 43 kg/book
The disposal price has been reduced. 2024/4/4 sales price 898,000 yen British original enclosure, equipped with 15 inch monitor gold! Refreshing York has regained its original tone through our refreshment maintenance. It is a speaker representing TANNOY that brings out the appeal of all kinds of sources. In particular, the beautiful, glossy sound in string and vocal music plays a sound that once you hear it, you won't be able to leave your ears (Sasaki Shota)
Maintenance information: 2024.4.4 Maintained (exterior repair/polishing/clear finish. Maintenance: net cleaning/fraying repair/repasting, sound-absorbing material removal. Unit maintenance: Magnetic circuit gap cleaning center adjustment for both low and high frequencies. Network maintenance: frequency characteristic check, ATT cleaning, terminal cleaning)
Accessories: none
Main specifications: bass reflex system floor type 15 inch coaxial 2 way (Monitor Gold 15 inch) frequency characteristics 30 Hz to 20,000 Hz crossover frequency 1,000 Hz maximum input 50 W impedance 8 ohms size W597 x H1,070 x D375 mm
Internally and externally maintained! This is the second generation of Tannoy's famous machine ARDEN. The warm and soft tone is attractive. It plays all kinds of music lusciously and gently. In particular, it works great with vacuum tube amplifiers, and the sense of orchestra scale and smooth playback of stringed instruments are satisfying enough to listen to. The exterior has been beautifully finished due to exterior maintenance. Serial 011093 016017 (Tomonori Asaine)
Maintenance information: 2024.4.18 Maintained (exterior repair/polishing/oil finish front and rear baffle/hakama repair/paint saran frame reinforcement painting/net replacement, batch polishing unit maintenance (high frequency magnetic circuit/in-gap cleaning/center adjustment diaphragm gap indirect attachment) ATT cleaning unit detachable)
Accessories: saran net
Main specifications: 2 way, 1 speaker, bass reflex system, floor type specification unit 3828, crossover frequency, 1 kHz, output sound pressure level, 91.5 dB, 8 ohms, dimensions W660 x H990 x D370 mm, weight 43 kg/book
Transformer attenuator pair sale Ritz line attenuation -1 to -20 dB (1 dB interval) maximum input 300 W (when 8 ohms) W74 x H72 x D85 mm 1.0 kg/piece There is dullness and discoloration on the terminals (Kojima Yosuke)
Accessories: none