*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
Maintained! The successor to the PM-80. MOS-FET is used to create a unique world view with gloss in the mid-range. The plump, thick sound during Class A operation is unrivaled, and you can relax and immerse yourself in the music. On the exterior, there is a feeling of use such as seal marks, dullness, and small scratches on the top plate. Serial MZ009432260139 (Yasuhito Koshihama)
Maintenance information: 2024.2.17 Maintained (all main amplifier board soldering deterioration fixed. Bad output relay contact replacement. Disassemble and sharpen the input switch and apply contact cleaner. (Long time sound check)
Accessories: none
Main specifications: MOS-FET use, AB class switchable, Class A (20W+20W), Class AB (100W+100W) PHONO input (MC/MM switching), W454 x H165 x D380 mm 17.5 kg
Pair tube military high reliability tube 6V6GT equivalent tube black base smoke measurement value 84/84 (rejected value 46), all but the printing on the top of the tube with white box has disappeared, but it was determined that it was CV511 based on the structure ※The pair was determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube military high reliability tube 6V6GT equivalent tube tea base smoke code: 7220/7220 measured value 92/92 (rejected value 46) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube military high reliability tube 6V6GT equivalent tube tea base smoke code: 7220/7220 measured value 90/88 (rejected value 46) with original box*Pairs are judged based on gM values measured by 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
SOULNOTE spike base. How about the fans? There is a feeling of use (Daiki Goto)
Accessories: none
Main specifications: diameter 35 mm height 7 mm weight 47 g (actual measurement)
SOULNOTE spike base. How about the fans? There is a feeling of use (Daiki Goto)
Accessories: none
Main specifications: diameter 35 mm height 7 mm weight 47 g (actual measurement)
The disposal price has been reduced (member prices are not applicable). 2023/11/26 Sales price 128,000 yen Maintained in 2022/6! An eye-catching power amplifier with its black and large power meter typical of Sansui. It entertains me with its power, which can be felt from its appearance, and its supple, stretchy sound quality. The exterior has dullness, scratches, rust, etc. over time (Oikawa Tetsuji)
Maintenance information: 2022.6.23 Maintained (both channel volumes replaced. SP relay bad contact replacement. Replace protectors, deteriorated transistors, resistors, and diodes in meter boards. Replace deteriorated transistors and resistors in the power supply board. Replace deteriorated transistors and capacitors in the drive board. OUTPUT selector switch cleaning. (General adjustment)
Accessories: none
Main specifications: left and right independent 2 power supply diamond differential circuit effective output 110W+110W (8Ω) load impedance 4 to 16 ohms W482 x H187 x D450 mm 20.3 kg
The price has been reduced. 2024/4/14 sales price 79,800 yen LE8T's ancestral 20cm cone type full range unit that makes the most of the basic design of the D130 in a small caliber. It's small and has a cute appearance, but the bright, clear, and tense sounds make you feel like JBL from the good times. In addition to leaving small repair marks on the exterior and part of the cone, there is a feeling of use such as dullness, sticking marks, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.11 Maintained (cone repair)
Accessories: none
Main specifications: 20cm cone type full range unit, allowable input 30W, 8Ω, 97dB (1kHz), recommended enclosure, internal volume: 42L to 113L, depth: 76mm, weight: 2.3 kg
RCA cable, 1.0 m pair, 6N ultra-pure copper and 70 specially twisted hybrid structured conductors with OFC copper, an R resonator is attached as a damping function based on a new concept, and the plug is an original collect chuck. It is a natural, highly transparent sound quality with few SAEC habits (Shota Sasaki)
Maintenance information: 2024.4.21 sound output operation confirmed
Accessories: none
RCA cable, 1.0 m pair, 6N ultra-pure copper and 70 specially twisted hybrid structured conductors with OFC copper, an R resonator is attached as a damping function based on a new concept, and the plug is an original collect chuck. It is a natural, highly transparent sound quality with few SAEC habits (Shota Sasaki)
Maintenance information: 2024.4.21 sound output operation confirmed
Accessories: none