The disposal price has been reduced! (Member price not applicable) 2024/6/2 sales price 49,800 yen Hi-Res Audio & Hi-Res Audio Wireless Bluetooth 5.1 Compatible DAC Preamp. Equipped with various functions, it is compatible with a wide range of PC audio. Equipped with an AK4499ExDAC, the sound quality of the Bluetooth sound source has been greatly improved. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2024.6.2 operation confirmed
Accessories: remote control, instruction manual, power cord, original box
Main specifications: PCM 44.1kHz-768kHz/16-bit - 32bit, DSD (native) DSD64-DSD512, DSD (DOP) DSD64-DSD256, coaxial/opt-in: PCM 44.1kHz-192kH/16 bit 24-bit W347xD276xH10.2mm 1.56kg
Maintained! A preamp with plenty of phono that analog users are happy with. There are 3 PHONO inputs, 5 MM cartridge loads, and a dedicated transistor is used for the MC head amplifier, so you can enjoy clear, sharp sound with a clear outline (Yoichi Murakoshi)
Maintenance information: 2024.5.29 maintenance (switch disassembly, contact polishing, contact cleaner application. Volume contact correction. Replace deteriorated parts in each circuit. PHONO circuit IC replacement display lamp replacement. (I/O pin jack polish)
Accessories: none
Main specifications: input terminal/3 phono systems (MM/MM/MC), TAPE2 system, AUX, TUNER power consumption 40W external dimensions W435 x H116 x D376 mm weight 8.5 kg
Maintained in 2023/7! A control amplifier that inherits the sound of Yamaha's famous C2a. A highly reliable phono equalizer is used, so you can enjoy both MM/MC. It has a clean sound typical of Yamaha, and clarifies the outline of the sound. In addition to dullness and small scratches on the exterior, there are scratches on the front sub-panel and insulator marks on the top plate. Serial E052015SU (Hiroki Aso)
Maintenance information: 2023.7.13 Maintained (PHONO circuit IC/capacitor replacement, main board, soldering, deterioration, all correction, volume type, contact correction, long time sound output check)
Accessories: copy of instruction manual
Main specifications: 3 line inputs, 3 tape terminals, 1 phono input (MM/MC), W438 x H86 x D405 mm, 8.8 kg
The battery has been replaced! AC & DC operation is possible. Technics slim control amplifier. This car has few quirks, and its straightforward, natural tone is impressive. It is a thin, space-saving model, and is recommended as a separate introductory machine. There are multiple scratches on the top plate on the exterior (Mizusaki Ryo)
Maintenance information: 2024.6.1 maintained (battery created and installed, encoder etc. cleaned, solder corrected, charging operation checked, AC and DC operation checked, audio checked for each input/output)
Accessories: remote control, instruction manual, power cord
Main specifications: PHONO input (MM/MC) equipped with 2 output systems W430 × H70 × D307 mm 3.3 kg
Maintained! A high-performance preamp developed by Onkyo in the early 1980s. It is equipped with 3 types of cartridge selectors for 2 Phono inputs, making it a great specification for analog users. The way the dry mids sound is reminiscent of the sounds of the 60s and 70s. There are conspicuous line marks on the top plate and dents on the corners (Daiki Goto)
Maintenance information: 2024.5.9 maintained (maintenance contents/indicator lamp replacement, mode, recoup, input selector, cartridge selector, subsonic switch disassembly, polishing grease application, operational amplifier replacement, solder repair, each volume, switch cleaning, internal inspection and cleaning, operation confirmation.)
Accessories: copy of instruction manual
Main specifications: input LINE3 system PHONO2 (MM/MC) system power consumption 26W dimensions W450 x H990 x D403 mm weight 9.5 kg
The disposal price has been reduced! (Member discounts are not applicable) 2023/11/11 sales price 99,800 yen Maintained! A preamplifier that can be operated by a full remote control. A familiar quad tone that is natural, easy to listen to and won't get tired of. In addition to volume, left and right balance, input switching, etc., it is fully equipped with functions such as TILT (loudness like function) and high pass and low pass filters (2 levels each), which is convenient. The exterior has peeling paint and repair marks on the bottom. Serial Q 202547 (Tamura Eiji)
Maintenance information: Maintained on 2015.2.23 (reworking the solder on the printed circuit board pattern on the power switch part of the amplifier body. Electrolytic capacitor replacement in the main unit. The CD/PLAY button installation on the remote control has been reworked. Remodeling the remote control emitting diode mounting position. aging test. (Check the operating distance range of the remote control → around 5m)
Accessories: remote control, power cable
Main specifications: full remote control control amplifier with PHONO input W321 x H80 x D255 mm 3.3 kg
The price has been drastically reduced! 2024/4/27 sales price 79,800 yen Maintained! This is the first AUDIO OF OREGON control amplifier to arrive in a long time. It is compatible with 117V specification American speakers such as ALTEC and JBL, etc., and although it is a transistor, it doesn't become too stiff and makes you enjoy the firm sound. The exterior has dullness and scratches. ※The plug has been changed. Genuine RF Serial 02117 (Tamura Eiji)
Maintenance information: 2024.4.27 Maintained (no running symptoms. The board vibration check connection was checked. (All pattern parts of the flat amplifier module unit have been added and soldered.) 2024.4.13 Maintained (Electrolytic capacitor replacement in amplifier module. Pattern contact defect correction. (Voice operation check)
Accessories: No accessories
Main specifications: All stages use pure class A operation circuit input phono (mm/47 kΩ) tuner, tape, aux dimensions W483 x H89 x D190 mm weight 4.5 kg
The price has been reduced. 2024/2/14 sales price 99,800 yen Maintenance completed! A preamplifier that can be operated by a full remote control. A familiar quad tone that is natural, easy to listen to and won't get tired of. In addition to volume, left and right balance, input switching, etc., it is fully equipped with functions such as TILT (loudness like function), high pass, low pass filter (2 levels each), etc. (Oikawa Tetsuji)
Maintenance information: 2024.1.16 Maintained (NG diode disconnected due to fuse in the main unit → short circuit in the remote control wired cord connector section → replacement, operation check)
Accessories: remote control, power cable
Main specifications: full remote control control amplifier with PHONO input (mm) W321 x H80 x D255 mm 3.3 kg
The disposal price has been reduced. Member prices are not applicable. 2024/1/18 sales price 118,000 yen Maintained! QUAD's first transistor preamp. The deep sound image and the impression that the natural atmosphere has definitely increased, and the glossy way it rides and the sound that goes through the core make you think it's a vacuum tube amplifier. Of course, it's a combination with the 303, and the sound doesn't feel out of place even when paired with a vacuum tube power amplifier. BAL knobs are worn out (Daiki Goto)
Maintenance information: 2024.1.18 Maintained (front push button contact failure → cleaning, PHONO/LINE in-board coupling capacitor replacement. AC spark killer capacitor broken → replaced, each VOL cleaned, power cable created)
Accessories: copy of instruction manual
Main specifications: external dimensions W550 x H110 x D220 mm, weight approx. 7.4 kg (actual measurement) [33] 3 input/line systems, 1 phono system (MM) [FM3] tubular FM dedicated tuner with automatic stereo/mono switching
The disposal price has been reduced (member prices are not applicable). 2024/2/24 sales price 118,000 yen Maintained! This is QUAD's first transistor preamp. The dark tone, with a sweet sense of humidity, is the British sound itself. The combination with the company's 303 power amplifier is also an attractive system. There is a feeling of use due to aging (Daiki Goto)
Maintenance information: 2023.10.18 Maintained (insufficient capacity of the filter C in the power supply, coupling C in each board, bypass C, etc. → all replaced. Each Vol, SW Gari → All Clean Power cord creation.)
Accessories: power cable, connection cable, copy of instruction manual
Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg
The price has been drastically reduced. 2024/4/17 sales price 128,000 yen Maintained! Quad control amplifier The famous machine 44 has been refreshed by changing the back terminal to an RCA specification that is easy to handle. It's a perfect balance between freshness and richness. When paired with speakers made in England, you can enjoy a calm, high-quality sound (Daiki Goto)
Maintenance information: 2024.4.17 maintained (internal all checks, B-filter capacitor deterioration, +- 18V drive Tr leak large, rectifier diode failure instability → replacement power SW spark killer broken → replacement. C and R checks within each board. *There is a sound leak at main volume 0. (Create 2 1.5m DIN5 cables)
Accessories: copy of instruction manual, power cable, connection cable
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321×H103×D203 mm
The price has been drastically reduced. 2024/4/22 sales price 128,000 yen Maintained! A famous machine 44 with an easy-to-handle RCA terminal added to the rear terminal of the Quad control amplifier. The British QUAD's small preamp is a perfect balance between the freshness and richness of character. You can enjoy a calm, high-quality sound when paired with the same speakers made in England (Murakoshi Yoichi)
Maintenance information: 2024.4.18 maintenance (internal all checks, power supply filter C ± B bypass C replacement, balance VOL cut off sound → cleaning, check each board)
Accessories: 2 DIN input cords, power cord, instruction manual (copy)
Main specifications: 2 LINE inputs, 2 TAPE2 systems (DIN input or more), 1 PHONO input system, Phono sensitivity 1m/3m/10mV switching W321 x H103 x D203 mm 4 kg
The price has been reduced. 2024/6/1 sales price 118,000 yen Maintained! This is QUAD's first transistor preamp. The dark tone, with a sweet sense of humidity, is the British sound itself. The combination with the company's 303 power amplifier is also an attractive system. You can see the exterior, discoloration of the letters, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.1 maintenance completed (poor contact with connectors such as internal PHONO board/LINE board, etc. → pin caulking, contact polishing, other internal board coupling C replacement, operation check)
Accessories: copy of instruction manual, power cord, connection cord
Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg
The price has been drastically reduced! 2024/5/11 sales price 128,000 yen Maintained! Late QUAD44 with CD input terminal. It's not flashy, but the thick, glossy tone is attractive. In particular, it softens female vocals. Serial Q36114 (Fujisawa Yukishi)
Maintenance information: 2024.5.11 Maintained (internal power supply switch contact dirt contact polishing treatment, balance VOL cleaning ~ check OK. Check the other boards and re-solder the holes. (C, R check OK)
2024.5.9 Internal power supply switch contact polishing treatment
Accessories: power cord
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4.0 kg