Input transparent sale primary: 10 KΩ secondary: 60 kΩ boost ratio 1:2.5 W 24 x H35 mm 60 g/piece (actual measurement, not including protrusions) with white box (Kojima Yosuke)
Accessories: white box
Output transparent pair for push-pull output 40W primary: 10 kΩ secondary: 4-8-16 ohms Usage: VT-62, VT-25, 6F6, 6V6, etc. W83 x H105 x D78 mm approx. 2.3 kg/piece (actual measurement, not including protrusions) with original box with scuffs and tape marks in places (Kojima Yosuke)
Accessories: original box
Output transparent sale push pull output 35W primary: 8kΩ secondary: 4-8-16Ω usage: 7189 app, etc. W82 x H72 x D82 mm approx. 1.6 kg/piece (actual measurement, not including protrusions) The plate is often scratched, printing is erased a lot, and there are paint floats due to rust in places (Kojima Yosuke)
Accessories: none
The price has been reduced. 2024/4/24 sales price 69,800 yen ※Since the digital input circuit module cannot be repaired, the digital input cannot be used. Maintained! Kenwood pre-main amplifier. It plays clear, transparent mid-high frequencies and low frequencies with a firm sense of power typical of Kenwood in a well-balanced manner. There is an air cap mark on the top of the front panel. (KOBAYASHI Hitoshi)
Maintenance information: 2024.4.24 Maintained (input board connector correction, switch correction, contact correction, operation confirmation) 2023.5.21 Maintained (display lamp replacement. Switch and volume contact correction. (*The digital circuit module is broken, but the digital input cannot be used because it is not available)
Accessories: none
Main specifications: 150W+150W (8Ω) phonomC/mm mounted damping factor 1000 W 476 x H170 x D424 mm 19.7 kg
The disposal price has been reduced! (Member discounts are not applicable) 2024/5/31 sales price 598,000 yen Manufacturer maintained! A famous machine loaded with excellent phono amplifiers. This is a good quality control amplifier that lets you hear clean, transparent sound. There are only top quality models, and the thickness and luster of the sound will not fade even after nearly 30 years have passed. The exterior has dullness and small scratches, and there are noticeable abrasions on the left side. Serial A2X643 (Takahashi Nobuyuki)
Maintenance information: 2024.5.31 Maintained (capacitor replacement logo, lamp replacement, each switch, input/output terminal contact cleaning, DC offset voltage readjustment of each amplifier, internal and external cleaning functions, performance check, pressure resistance, safety check)
Accessories: none
Main specifications: input terminal/RCA5 system, XLR2 system, tape input/output terminal 2 system, PHONO input 2 system pre-out/RCA2 system, XLR2 system W468 x H171 x D415 mm 25.1 kg
Maintained! A premain amplifier boasting high driving power, supported by a strong power supply unit typical of Sansui. The sound is soft and transparent, yet also has firm, thick bass. The sophisticated design is also attractive. There is rust on the exterior and back of the top plate, and a feeling of use such as dullness and abrasions can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.6.2 maintained (output relay, headphone relay replacement, recouped wire switch due to damage, input selector, etc., switch disassembly polishing grease application (tone, loudness, subsonic, processor, power amplifier direct, source direct, tape, reckout switch), solder repair, each volume, switch cleaning, interior and exterior inspection cleaning, adjustment inspection)
Accessories: none
Main specifications: 130W+130W (8Ω) rated power consumption 330W W471 x H162 x D452 mm weight 23.5 kg
*The attenuator is cheap and is sold as is. This model was measured to improve the quality of the NS-500M. Carbon is used for the woofer. It has a transparent tone typical of Yamaha, has good response, and is made with digital sources in mind. Overall, there is a lot of feeling of use such as small scratches and dullness (Murakoshi Yoichi)
Maintenance information: 2024.6.2 sound output confirmed
Accessories: saran net
Main specifications: 3-way speaker 40Hz-20000Hz 6Ω 100W W374 x H678 x D324.5mm 23.5 kg
Output transparent sale Orient core output 38W for push pull applications: 6CA7, 6GB8, etc. Primary: 5 kΩ Secondary: 4-6-8-10-16 Ω W118 × H104 × D118 mm approx. 4.5 kg/piece (actual measurement, not including protrusions) There are abrasions and stains in places (Kojima Yosuke)
Accessories: none
The price has been drastically reduced. 2024/6/4 sales price 1,380,000 yen The piano black is a majestic B&W802 diamond. It is a high-end machine that boasts a clear and transparent high range unique to diamond tweeters, and a medium to low range that is ideal for home environments, achieving both tightness and a sense of volume. There are about 3 thin line wounds on the side (Kojima Yosuke)
Maintenance information: 2024.6.4 operation confirmed
Accessories: instruction manual, saran net, jumpers, casters, spikes, casters (currently attached), transport locks, special wrenches
Main specifications: 3-way bass reflex type 25mm diamond dome tweeter 150mm warven kevlar 200mm loha selcone woofer playback frequency band 27Hz to 33kHz sensitivity 90dB impedance 8Ω crossover frequency 350Hz 4kHz size W368 x H1,135 x D563 mm weight 72 kg/bottle
This is a pre-main amplifier that allows you to enjoy everything from analog records to the latest high-resolution sound sources with high sound quality. The sound is clear and highly transparent, and it outputs music with a high sampling rate even more attractively. An independent dedicated board phono equalizer compatible with MM/MC is used. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.8 operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: rated output 4Ω/60W+60W 8Ω/30W+30W practical maximum output 90W+90W frequency characteristics 10Hz-100kHz W435 x H139 x D331 mm 9.2 kg
Use the original 24K gold-plated plug with a 1.5m pair of RCA cables, polished by hand and nickel plated. The characters are highly transparent and sharp. It greatly enhances the freshness of the sound. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2024.6.13 continuity confirmed
Accessories: original box
Output transparent pair sale primary: 5 kΩ secondary: 600 Ω CT (150 Split), 6 ohm DC 60 mA output 3 W W85 x H83 x D70 mm 1.7 kg/piece (actual measurement, not including protrusions) with original box (Kojima Yosuke)
Accessories: original box
* There is no name plate, but I was able to confirm a slight embossing of the model number on the belt seal on the side. Output: 50W for transparent sale push pull output: 50W primary: 5kΩ secondary: 4/8/16/32Ω use: 6L6, 6CA7, 6GB8, etc. W100 x H115 x D90 mm approx. 3.5 kg/piece, no name plate, and is inexpensive because it has been repainted and written on the entire surface (Kojima Yosuke)
Accessories: none
Maintained by the manufacturer! Refined model of the PM-17SA. Further refinement has been applied to the highly transparent tone, which is clear and has good visibility. The thin and stylish design and the delicate expressiveness of modern SN are attractive. The subdued power draws more precise and expressive depictions. Serial MZ010248520101 (Murakoshi Yoichi)
Maintenance information: 2024.6.13 manufacturer maintenance (speaker output relay replacement, amplifier board soldering correction, source direct SW disassembly and cleaning, inspection of each part, operation test implementation)
Accessories: remote control, instruction manual, power cable
Main specifications: equipped with pre-out power-in terminals 60W+60W (8Ω) W458 x H110 x D429 mm 16 kg
The price has been reduced. 2024/6/15 Sales Price 168,000 yen This is the best model in the Concerto series. A floor-type speaker system using a passive radiator system. In addition to the smooth, high-quality sound unique to Sonas, the tone is bright and highly transparent. There is a repair mark on the bottom of one side of the saran net. There is damage near the terminal, and the jumper plate is missing (Daiki Goto)
Maintenance information: 2024.6.15 Operation confirmed
Accessories: spikes
Main specifications: 2 way, 2 speakers, passive radiator, playback frequency band 40 Hz to 20,000 Hz, 87 dB impedance, 8 ohms, W240 x H1000 x D290 mm, 22 kg