Currently sold. Like recent tubular amplifiers, it is characterized by a clear tone without starching. It plays POPS cheerfully with the warmth and clear sound quality unique to the tube type. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2026.2.22 Operation confirmed
Accessories: instruction manual, power cable
Main specifications: output 12W+12W (8Ω) vacuum tube 68BQ5 x 4 12AU7 x 1 12AX7 x 1 2 input lines 4Ω/8Ω W330 x H160 x D240 mm weight 9 kg
Arrived for the first time in about 4 years, beautiful item with original box! A new model in the SPU Meister GE series that was announced to commemorate Robert Goodmansen's 50th year in office. It is a masterpiece that is profound and has a unique sparkle in the treble range by using a new ultra-high purity silver, while keeping the mid to low range sound with the waist resting on Meister's. Both cantilever and needle tip are good (Oikawa Tetsuji)
Maintenance information: 2026.2.22 operation confirmed
Accessories: original box, instruction manual, needle cover
Main Specifications: Power Generation System MC Output Voltage 0.3 mV Frequency Characteristics 20 Hz-20,000 Hz Appropriate Needle Pressure 4.0 g Diamond Needle Nude Elliptical Weight 30 g
Maintained! Yamaha's masterpiece preamp. It has a particularly good reputation for phono, and it is still a popular model among analog users. With a natural and highly transparent Yamaha sound, you can fully enjoy the appeal of acoustic instruments, such as the touch and feel of a piano, and the sharpness of guitar strings. The exterior has small scratches and dullness over time. Serial 13915 (Yonejima Satoshi)
Maintenance information: 2026.2.21 maintained (power supply SW, spark killer replacement) 2024.11.1 maintained (tone control circuit capacitor solder correction) 2024.9.20 maintained (MODE, INPUT, TAPE rotary switch disassembly and cleaning. VR disassembly and cleaning of VOLUME, BASS, and TREBLE (partial correction). SUBSONIC, MUTING switch disassembly and cleaning. Preventive replacement of 16 electrolytic capacitors. Solder correction of the RCA terminal board with PHONO input, terminal cleaning frequency characteristics, and distortion ratio confirmation)
Accessories: No accessories
Main specifications: PHONO x 3 system (MM/ MC) MC head amplifier built-in W435 x H72 x D320 mm 7.9 kg
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. The balance volume has been replaced. You can only feel a slight effect, but it is a specification. In addition to paint peeling on the exterior and VOL dial, dullness and a feeling of use can be seen. Serial 88838
Maintenance information: 2026.1.2 maintained (balance VOL replacement, other in-board coupling C, bypass C, AC spark killer replacement, SW, VOL cleaning)
Accessories: 2 pairs of input cables, 1 pair of output cables, power cable, instruction manual (copy)
Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg
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. The balance volume has been replaced. You can only feel a slight effect, but it is a specification. The appearance, dullness, and feeling of use can be seen. Serial 52112 (Murakoshi Yoichi)
Maintenance information: 2025.8.28 Maintained (volume contact cleaning) 2025.6.19 Maintained (main VOL dismantling, slider repair cleaning. Balance VOL exchange. Replace C in other power supplies and C in PHONO/LINE. (Power SW spark killer replaced, changed to 100V specification)
Accessories: power cord, input/output cable, instruction manual (copy)
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
Maintenance has been completed, including replacement of 31 capacitors, 6 diodes, and 7 vacuum tube sockets, and complete disassembly and cleaning of volume and switch contacts! Tubular preamp with a thin design. It has a mild tone with a vintage feel unique to Lux, and the sound quality is well-balanced. The stylish design, which is not typical of a thinly finished vacuum tube, is also excellent. There is a small scratch on the top plate (Oikawa Tetsuji)
Maintenance information: 2026.2.11 Maintained (31 capacitors, spark killers, relays, 7 vacuum tube sockets, LEDs, 6 diodes, resistors, fuses, diffusion caps, and power cords have been replaced. The volume and switch contacts were completely disassembled and cleaned, and the deteriorated parts on the solder surface of the board were re-soldered.
(Check the input/output waveform, check the left and right balance, and perform a comprehensive operation test by connecting a power amplifier)
Accessories: power cable, copy of instruction manual
Main specifications: line input, 3 phono systems, 2 tape systems, 2 pre-out systems, vacuum tubes, 12AU7 x 5, 12 AU7 x 2, W465 x H105 x D360 mm (including wood cabinet) 5.5 kg
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. When paired with the same speakers made in England, you can enjoy a calm, high-quality sound. There are line scratches on the left side of the exterior, dull buttons, etc., and there is a feeling of use throughout (Kobayashi Hitoshi)
Maintenance Information: 2026.2.3 Maintained (IC OP AMP replacement in CD position board. Other checks) 2025.3.5 maintenance completed (power supply SW contact cleaning, correction, RCA terminal screw tightening correction, cleaning, caulking each SW, Vol cleaning (some chips remain) 2023.11.15 maintenance (VOL cleaning, C replacement in other mainboards, C etc. in each AMP, etc.) AC spark killer replacement in the power supply.)
Accessories: power cord, connection cord, instruction manual (copy)
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4 kg
From the condenser to the socket volume, 56 deteriorated parts have been replaced, the switch volume has been completely dismantled, the contacts have been repolished, etc., and it has been completely overhauled! *The output tube has been replaced from 8045G to KT88. Furthermore, the speaker terminals have been replaced to improve convenience. It makes an overwhelming sound even when compared to the company's A series and MQ series (Daiki Goto)
Maintenance information: 2026.1.23 maintained (vacuum tube (6240G), vacuum tube socket ✕ 12, capacitor ✕ 18, resistor ✕ 2, RCA terminal, semi-fixed VR, spark killer ✕ 4, SP terminal, diode ✕ 16, micro SW ✕ 4, fuse, power cord replacement. The board was re-soldered and the input gain VR disassembled and cleaned. Load test (at 1kHz, 8Ω load: 60W for both). Check input/output waveforms and perform sound output checks. SW/VOL disassembly contacts are re-polished and grease is applied to prevent oxidation and sulfidation. Input/output waveform confirmation, load test (1 kHz sine wave, 8 ohm load: 60W+60W, OK), sound output test.)
Accessories: manual
Main specifications: Vacuum tubes used, KT88, 2 12AU7, 1 6240G, 2 12AX7, 1 W370 x H170 x D240 mm, 16 kg
The internal parts have been thoroughly reviewed and brushed up! This is the famous MQ60 power amplifier with the main part of the SQ38F independent. The natural, smooth sound quality with a high sense of transparency is attractive. You can relax and enjoy classical music and vocals in a natural way. The deep sound quality that cannot be expressed with the latest vacuum tube amplifiers is exceptional. There is dullness (Daiki Goto)
Maintenance information: 2025.12.30 Maintained (all wiring from RCA terminal → VR → amplifier input replaced, running test)
2025.10.15 Maintained (vacuum tube (6267), vacuum tube socket, oil capacitor, electrolytic capacitor, film capacitor, RCA terminal, semi-fixed VR, spark killer, SP terminal, diode, micro SW, fuse replacement. Load test (8Ω load 1kHz 25W+25W), input/output waveform confirmation, sound output check performed.)
Accessories: copy of the manual
Main specifications: output 30W+30W dimensions W410 x H160 x D205 mm weight 13.8 kg
All major parts such as coupling capacitors have been replaced, and full maintenance has been completed, including refining all SW/VOL disassembly contacts! A tubular control amplifier representative of Lux. It is soft and produces good mid-range sounds. As you play, the sound becomes more familiar, so this is an amplifier I want you to stay with for a long time. There is Kusumi on the exterior 20109278 (Asaine Tomoho)
Maintenance information: 2025.11.28 Maintained (39 capacitors, 4 diodes, micro SW, spark killer, headphone jack, DIN terminal, 9 vacuum tube sockets, headphone VR, lamp, fuse, power cord replacement. All SW/VOL disassembly contacts have been re-polished, and grease has been applied to prevent oxidation and sulfidation. (Input/output waveform check, sound output test)
Accessories: Power cable, copy of instruction manual
Main specifications: vacuum tube 12AX7 x 6/12 AU7 x 1 using a tubular control amplifier Input: 2 phono system line system 3 system tape system 2 system output: 2 systems W476 x H190 x D275 mm 12 kg
The disposal price has been reduced (member prices are not applicable). 2025/11/16 Sales price 118,000 yen Maintenance has been completed, including replacement of 4 capacitors and 1 resistor. 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 are small scratches, dullness, etc. appropriate for the model year (Oikawa Tetsuji)
Maintenance Information: 2025.11.16 Maintained (AC Switch Spark Killer NG → Replaced. Replace the capacitor in the power supply. Capacitors in each AMP have been replaced. Each VOL and SW cleaning. Operation inspection check)
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
Refresh yourself with an overhaul such as replacing vacuum tube sockets and capacitors! After all, the warm and glossy sound quality is excellent for stringed instruments. It has a soft and vivid sound not found in transistors, making it perfect for listening for long periods of time. The exterior has dullness, small scratches, etc. Serial E1800423 (Fujisawa Yukishi)
Maintenance information: 2025.12.9 Maintained (replaced due to defective vacuum tube (6240G). The bias, DC balance, and distortion have been adjusted again. Load test (8Ω load 1kHz 24W+24W), input/output waveform check, sound output check performed) 2025.11.18 maintained (vacuum tubes (50CA10 x 4 pieces), 4 vacuum tube sockets, 4 electrolytic capacitors, 2 film capacitors, 4 oil capacitors, 2 RCA terminals, 8 semi-fixed VR, 2 spark killers, SP terminals, 5 diodes, micro SW, fuse, power cord replacement. Load test (8Ω load 1kHz 24W+24W), input/output waveform confirmation, sound output check)
Accessories: No accessories
Main specifications: 50CA10 push-pull output 30W+30W W410 x H183 x H160 mm 13.8 kg
The interior has been thoroughly reviewed, such as replacing the vacuum tube socket and condenser, and has been refreshed with a bu-overhaul! After all, the warm and glossy sound quality is excellent for stringed instruments. It has a soft and vivid sound not found in transistors, making it perfect for listening for long periods of time. The exterior is dull. Serial 811243 (Tomonori Asaine)
Maintenance information: 2025.8.11 Maintained (vacuum tube (50CA10×4), vacuum tube socket, electrolytic capacitor, film capacitor, RCA terminal, semi-fixed VR, spark killer, SP terminal, diode, micro SW, fuse replacement. Load test (8Ω load 1kHz 25W+25W), input/output waveform confirmation, and sound output check
*About the NFB changeover switch This unit is equipped with an NFB changeover switch so that you can select the desired sound quality. (However, if you operate this switch during operation of this unit, shock noise will occur, so be sure to turn off the NFB ON-OFF before switching the power switch.)
Accessories: none
Main specifications: 50CA10 push-pull output 30W+30W W410 × H183 × H160 mm 13.8 kg
Maintenance was carried out with attention to detail, such as replacing capacitors and replacing SP terminals! A kit model of a power amplifier using a 50CA10 3-pole output tube and an OY15 type output transformer, composed of circuits and parts conforming to the MQ60 type, which has been evaluated by LUXMAN. The sound of a vacuum tube has a sense of volume that seems to meet expectations, and it gently envelops you. Sounds that don't require scale are particularly unique, and the slight thickness that spreads from below the mid-range makes you feel comfortable and relaxed (Sasaki Shota)
Maintenance information: 2025.7.25 Maintained (vacuum tube socket, block capacitor, electrolytic capacitor, oil capacitor, SP and RCA terminals, semi-fixed VR, fuse, spark killer, diode, micro SW replacement. Load tests, input/output waveform checks, and sound output tests are OK. Vacuum tube sockets, block capacitors, electrolytic capacitors, oil capacitors, SP and RCA terminals, semi-fixed VR, fuses, spark killers, diodes, micro SW replacement. Load test, input/output waveform confirmation, load test (1 kHz sine wave, at 8 ohm load: 25W+25W, actual measurement), sound output test OK.)
Accessories: none
Main specifications: 30W+30W 50CA10 push pull W410 x H160 x D205 mm 13.8 kg
Full maintenance has been completed, such as replacing 39 deteriorated capacitors, overhauling of all SW types, and cabinet polishing repairs! A tubular control amplifier representative of Lux. It is soft and produces good mid-range sounds. As you play, the sound becomes more familiar, so I want this amplifier to stay with for a long time. There are dark spots on the exterior (Mizusaki Ryo)
Maintenance information: 2025.7.10 Maintained (2025.7.10 Low Cut SW has been soldered again. Other inspections, input/output waveform checks, and comprehensive operation tests were performed to confirm normal operation.) 2025.5.27 Maintained (coupling capacitor, electrolytic capacitor, micro SW, spark killer, headphone jack, microphone jack, DIN terminal, vacuum tube socket, main VR replacement. All SW/VOL disassembly contacts have been re-polished, and grease has been applied to prevent oxidation and sulfidation. Micro SW wiring differences were corrected, TREBLE, BASS coaxial VR assembly defects, reassembly, lever SW construction correction, and there was a crackling sound when switching from AUX to Phono, so countermeasures were taken (1 MΩ x 2 added). (Input/output waveform check, sound output test)
Accessories: power cord, copy of instruction manual
Main specifications: vacuum tube 12AX7 x 6/12 AU7 x 1 using a tubular control amplifier Input: 2 phono system, line system, 3 system, tape system, 2 system output: 2 systems W476 x H190 x D275 mm 12 kg