The disposal price has been reduced. Member prices are not applicable. 2024/3/11 sales price 80,000 yen The MEDIUM/LONG knob doesn't work, so it rotates idle, but it's a specification. QUAD tubular AM tuner. It is designed to take power from QUAD 2. Also, although the meter is an overseas specification, it is a domestic band specification. ※This is a mono specification. In order to play on 2 channels, it is necessary to connect the pin jack to the RADIO 2 terminal of QUAD2 and press the MONO and STEREO switches simultaneously (Daiki Goto)
Maintenance information: 2024.3.11 Maintained (・AM antenna ASSY added/IF/RF readjusted*Other operation checked. *When tuning with TUNE, the LCD on the right edge will open. After tuning in, it is common to listen on WIDE RANGE. Also, since the LONG WAVE circuit in this model has been removed, the LONG/MEDIUM selector is invalid and the knobs are dummy.)
Accessories: antenna cable
Main specifications: W270 x H95 x D15 mm 2.6 kg (actual measurement)
The price has been reduced! 2024/11/6 sales price 79,800 yen Maintained! Despite its compact size, the powerful sound with a sense of volume is attractive. Of course, it is compatible with English speakers, but even if you sound the lock with a JBL medium speaker, you won't feel that the driving power is excessive or insufficient. The exterior has dullness and scratches. Serial Q021275 (Yonejima Satoshi)
Maintenance information: 2024.11.6 Maintained (replacement of 2 electrolytic capacitors near the heat source, solder correction. Output element tightening, output filter position correction, wiring restyling, bias and offset check, output sound check)
Accessories: instruction manual, power cord
Main specifications: 50W+50W (8Ω) dimensions W321 x H64 x D207 mm weight 4.62 kg
The price has been reduced. 2024/11/6 sales price 89,800 yen Equipped with a woofer unit that uses a center cap with a moderately dumping effect and a highly rigid Kevlar diaphragm, the tweeter uses neodymium magnets and aluminum voice coils to achieve a sharp sound. It is recommended for those who listen to music on a large scale and in a relaxed manner. The cabinet with a textured piano finish is also attractive. There is a feeling of use due to appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.11.6 Operation confirmed
Accessories: saran net, spike holder, jumper (substitute)
Main specifications: Model 2.5-way 3-speaker bass reflex, drive unit Tweeter 1/25mm, Mid Driver 6.5/170mm, Bass Driver 6.5/170mm, crossover frequency 150Hz, output sound pressure level 89dB rated impedance 6Ω power handling 150W playback frequency 30Hz to 28kHz high frequency playback limit frequency 32kHz W285× H909×D295mm 19kg
Maintained in 2023/10. *Line-only model. A QUAD control amplifier with a modern design. It is characterized by its simple, straightforward, and bouncy texture, which brings out the thickness of the sound. By adopting a double triode 6111WA as the central control device, a high signal-to-noise ratio has been achieved with a simple configuration. The exterior is dull and has a feeling of use (Oikawa Tetsuji)
Maintenance information: 2024.11.11 Operation confirmed
2023.10.28 Maintained (smooth, filter, electrolyzed capacitor replacement, solder correction, transformer misalignment, reinstalled and checked each input/output.)
Accessories: instruction manual, power cable
Main specifications: Vacuum tube 6111 WA x 1 (double triode) LINE input/RCA x 5 systems, TAPE input/output/RCA x 2 systems
System, W300 x H88 x D125 mm, weight 3.4 kg
The price has been reduced! 2024/10/2 sales price 89,800 yen ※ It is cheap because it is in poor condition such as scuffs and peeling. This is a compact, space-saving quad preamp 34. It has a supple and delicate expressive power that is not inferior to the 44, which is a higher-level model. The supple, uncharacteristic character goes well with vacuum tube power amplifiers. Dullness, abrasions, and small scratches can be seen on the exterior. Serial Q031078 (Yonejima Satoshi)
Maintenance information: 2022.6.6 maintenance (AC line spark killer C, main board bypass C, coupling C, etc. replaced in total 20 pieces. Other operation checks)
Accessories: power cord
Main specifications: PHONO (MM compatible) module switchable type W321 x H64 x D207 mm 3.2 kg
The disposal price has been reduced! (Member prices are not applicable) 2024/9/21 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. In addition to peeling paint on the exterior and VOL dial, dullness and a feeling of use can be seen. Serial 49202 (Yamato Yuki)
Maintenance information: 2024.9.10 maintenance completed (pattern broken with C replaced, left and right balance poor → re-soldered, replaced with audio grade C, balance VOL position adjustment, cable creation)
Accessories: copy of the instruction manual, power cord, connection cord
Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg
Maintained in 2023/10. The 606 is thick and unimaginable from its compact exterior. The good sound unique to QUAD allows you to enjoy not only classical music, but also jazz vocals in a mild way. The exterior is dull, and there is a feeling of use such as scratches (Satoshi Yonejima)
Maintenance information: 2023.10.3 maintained (with transporter, sponge bolo → anti-vibration rubber installation, replacement of 6 C deterioration in the board, power stage TROK, operation check)
Accessories: power cable
Main specifications: output 140W+140W (8Ω) W321×H140×D238mm 12kg
The disposal price has been reduced! Member prices are not applicable. 2024/10/2 sales price 128,000 yen Maintained in 2023.11! Quad power amplifier. Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior has scuffs, dirt, and bumps. Serial 40436 (Yonejima Satoshi)
Maintenance information: 2023.11.18 Maintained (Rch power stage Tr replacement. Pin jack replacement. (DIN4P replacement) 2016.2.7 maintained (input VR Gari exchange RCA terminal installation, IC, capacitor, resistor fuse replacement)
Accessories: copy of instruction manual, power cord
Main specifications: 100W+100W (8Ω) current damping method W341 × H115 × D195 mm 9 kg
The disposal price has been reduced! (Member prices are not applicable) 2024/9/23 sales price 118,000 yen 2024/1 maintenance completed! 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. There are small scratches and dullness, and the BAL knobs are worn out (Asaine Tomoho)
Maintenance information: 2024.1.18 Maintained (front push button contact cleaning PHONO/LINE in-board coupling capacitor replacement AC spark killer capacitor replacement for each VOL cleaning 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 discounts are not applicable) 2024/8/31 sales price 128,000 yen Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. There is a feeling of use, paint peeling, and small scratches from age to generation (Sasaki Shota)
Maintenance information: 2024.8.31 Maintained (fuse replacement and check OK. Other internal Tr, C, R checks OK) 2023.7.26 maintained (power stage Tr, driver Tr semi-short. C and R deterioration replacement in the board, VOL cleaning. Operation check. (*The block capacitor and transformer have been replaced.)
Accessories: power cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
RCA-5 DIN cable 0.5m RCA is a + long Switchcraft old type DIN cable with unknown details. Since number 3 is L+, number 5 is R+, and number 2 is connected to LR -, it can be used for QUAD input (Murakoshi Yoichi)
Maintenance information: 2024.8.30 continuity confirmed
Accessories: none
5DIN-RCA cable 0.7 m connection cable for QUAD with unknown details. Since number 3 is L+, number 5 is R+, and number 2 is connected to LR -, it can be used for QUAD input (Takasaki Atsushi)
Maintenance information: 2024.8.30 Continuity confirmed
Accessories: none
The disposal price has been reduced. Member discounts are not applicable. 2024/8/10 sales price 128,000 yen Input volume, RCA terminal processing, installation, etc. have been maintained! Although the Quad power amplifier has a compact body, the core is thick, and you can enjoy smooth sound. It really goes well with speakers made in England, and lets you listen to 70s analog sound with a sense of dynamism. There are exterior, feel of use depending on age, paint peeling, sticking marks, scuffs, and small scratches. Serial 2 2022 (Hiura Katsuji)
Maintenance information: 2024.8.9 maintained (SP terminal replacement (original), other internal all checks, characteristic failure due to Rch power stage Tr temperature change → replacement, in-board gain setting C NG, SP limiter circuit C NG → replacement ~ operation check)
2015.8.25 Maintained (RCA terminals installed. IC, capacitor, resistor, input VR, fuse replacement)
Accessories: power cable, instruction manual (copy)
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/8/10 sales price 128,000 yen Maintained! It has an elegant and glossy tone, and although combinations with 405 are common, 606 etc. are also a good match. It has the natural texture of the acoustic sauce and the smooth tone that feels good against the skin. There are small scratches and paint peeling on the right side. Serial 24151 (Takasaki Atsushi)
Maintenance information: 2024.4.12 maintenance (main board ground point screw reprocessing, operation check) 2024.1.17 maintenance (replacement of coupling C, bypass C, etc. in each board, AC SW spark killer C replacement, INPUT switching analog SW through hole pattern re-soldering, power SW internal contact polishing ~ operation check)
2020.6.13 Maintained (balance VR, SW disassembly cleaning. Attach 1 kΩ resistors to both the left and right sides of the flat board. Replaced due to faulty IC. All flat and mother boards have been soldered again. (Check the input/output waveform, check the left and right balance, and perform a comprehensive operation test by connecting the power amplifier to confirm normal operation.)
Accessories: power cord, copy of manual
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4.0 kg
The disposal price has been reduced (member prices are not applicable). 2024/8/6 sales price 128,000 yen Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. There is dullness and small scratches (Sasaki Shota)
Maintenance information: 2024.8.6 maintained (all internal parts checked, LCH power stage TR x 1 half short NG replacement, DC cut C replacement within the board, bottom cover rubber foot defect replacement, operation check)
Accessories: copy of manual, power cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced! (Member price not applicable) 2024/8/3 sales price 118,000 yen Maintained quad power amplifier. Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior has a feeling of use such as dullness. Serial 46658 (Tomoho Asaine)
Maintenance information: 2024.7.30 Maintained (all internal inspection checks. Tn check OK, replace some resistors in the board. Gain setting C and DC cut C replaced. INPUT VOL CLEANING Operation check)
Accessories: connection cable, power cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced! (Member prices are not applicable) 2024/8/6 sales price 128,000 yen Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. As expected, it is compatible with speakers made in England, and it makes you listen to 70s analog sounds with a sense of dynamism. There are peeling scratches in places and a feeling of use. Serial 6105 (Fujisawa Yukishi)
Maintenance information: 2024.8.6 maintained (2 Rch power Tr installed, fuse installed. C, R check. Replace the rubber feet. Operation check)
Accessories: power cord, connection cord
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced. Member prices are not applicable. 2024/7/27 sales price 128,000 yen Maintained! Quad power amplifier. Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. In addition to the exterior, paint peeling, and deterioration, you can see a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.7.26 maintenance (internal dismantling all checks, Tr, C, R checks. INPUT VOL cleaning, operation check)
Accessories: instruction manual, power cord, connection cord
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced! (Member discounts are not applicable) 2024/7/18 sales price 128,000 yen Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior has a feeling of use such as dullness. Serial 41000 (Takahashi Nobuyuki)
Maintenance information: 2024.7.18 Operation confirmed 2024.3.22 Maintained! (Internal check DC cut C, gain setting C, etc., exchange Tr, etc. check operation check, DIN4P-RCA female cable creation)
Accessories: power cable connection cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced! (Member discounts are not applicable) 2024/7/18 sales price 128,000 yen 2023/11 maintenance completed. 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. When paired with the same speakers made in England, you can enjoy a calm, high-quality sound. A combination with QUAD405 is recommended. The exterior has a feeling of use such as dullness and small scratches. Serial 4708 ※ There is a slight sound leak even when the volume is reduced due to initial type specifications. The RADIO next to the rear input DISC is the AUX input (Takahashi Nobuyuki)
Maintenance information: 2024.7.18 operation confirmed 2023.11.29 maintenance (balance VOL, filter VOL, each rotor legal → oil cleaning, AC switch no spark killer → installation, tantalum C replacement within each board, power supply filter C replacement, input cable DW5P creation.)
Accessories: DIN cable, power cable, copy of instruction manual
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321×H103×D203 mm
The disposal price has been reduced! Member prices are not applicable. 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 disposal price has been reduced. Member prices are not applicable. 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 check, 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
Pair tube (checked with a tube checker) beam quadrupole. There is a tea box. Measured value 36,34/30 (rejection value) *The pair was determined based on the GM value measured by the testing machine TV-7. The ※ logo is scratched, so it's a bargain.