2023.12.18Maintained professional cross 800Hz network. It is used in the 4320, etc., and the low frequencies are pushed out smoothly, giving the impression that the clarity of the mid-high range has improved. This network is useful for creating 2-way systems where woofers have a certain amount of area. How about making a 2-way horn system with a 16Ω unit? There are stains and rust on the main body. (TERAMOTO Hidehiko)
Maintenance information: 2023.12.18 Maintained (terminal rust removal treatment, cleaning, mounting screw replacement. SW type ATT contact cleaning. Frequency characteristics are measured and checked, and the original capacitors are continuously used for good results. (Check the input/output waveform and balance, check the sound output)
Main specifications: crossover frequency 800 Hz impedance 12 to 16 ohms W122 x H154 x D132 mm 1.9 kg/1 unit
The price has been reduced. 2023/9/22 Sales price 69,800 yen ※Since this is a remodeled product, it is currently sold. 3-way network. The details of the crossover are unknown. The attenuator comes with FOSTEX's AT-50H (16 ohms for the middle range only). There is a slight creak, but the sound output has been confirmed. I even took pictures of the interior. Please refer to it. There is no original terminal block (Sasaki Shota)
Maintenance information: 2023.9.22 sound output confirmed
Accessories: none
Main specifications: 3-way network W210 x H235 x D158 mm 4.5 kg (actual measurement)
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 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 discounts are not applicable. 2024/1/18 sales price 118,000 yen Maintained! Quad first-generation transistor preamp. It's a car that makes more noise than its size, and you can enjoy a variety of expressions with expressive power rich in shadows. When combined with the company's 303, etc., it has a thick, dark tone and calm elegance. You can enjoy classical and acoustic sounds with glossy tones. There is a feeling of use such as small scratches. Serial 105591 (Takasaki Atsushi)
Maintenance information: 2024.1.17 maintained (internal internal board coupling C, bypass C, etc. replaced, front button contacts all cleaned, each VOL cleaned, DIN cable 3 created) 2014.12.1 maintained (capacitor replaced. Selector switch contact cleaning. (Input/output DIN terminal pin replacement)
Accessories: 5 PINDIN → RCA cable x 2, 4 PINDIN → RCA female x 1, power 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 reduced. 2024/1/13 sale price 99,800 yen rare Gauss 46cm woofer! This is the first model to arrive at Hi-Fi. Unlike JBL woofers, it is characterized by sound tightness and strength of extrusion. It also seems interesting to use it as a 4345 woofer (Sasaki Shota)
Main specifications: Ferrite magnet 46cm woofer impedance 8Ω (measured DC resistance value 6.3Ω, 6.0Ω) 8.7kg (actual measurement)
A 38cm double configuration enclosure that can be used as a center woofer or center speaker. The previous owner had an electro voice 38cm woofer installed. Comes with casters. There is a lot of feeling of use, such as uneven paint and bolt marks on the top plate. Please contact us for shipping (Murakoshi Yoichi)
Accessories: none
Main specifications: W1045 x H790 x D604 mm 52.2 kg
Self-made enclosure for 38cm units. An ALTEC 416-8C was installed. It is sturdy and heavy. There is a feeling of use on the exterior, such as scratches, paint chips, paint on the back, and screw holes in the top plate. ※Shipping costs will be estimated separately (Mizusaki Ryo)
Accessories: saran net
Main specifications: W660 x H995 x D465 mm (including casters) woofer aperture 360 mm φweight 51.1 kg (actual measurement)
Price cut (2021.2.26 selling price 49,800 yen) Unknown 38cm double woofer enclosure. Front load horn type that mounts the woofer up and down. There is quite a feeling of use such as whole scratches, paint peeling part scattered. (Takasaki Takasaki)
Main specifications: aperture direct system about 355mm, screw diagonal about 420mm W760 × H1125 × D670mm Approx. 88kg
The price has been reduced. 2024/1/5 sales price 400 yen. ※1 bottle only. 3 cm unit with unknown details. Since the size and condenser is attached to the plus side, it seems to be a tweeter. The appearance is good with little feeling of use (Kobayashi Hitoshi)
Maintenance information: 2022.11.15 Operation confirmed
Accessories: none
Main specifications: actual impedance measurement 3 ohms 3 cm
An enclosure that seems to be for Sansui's old system component speakers. The lattice box with legs reminiscent of JBL's Baron and Bicount is really fashionable. The lattice on both the left and right is out of the frame. There are traces of internal remodeling (Fujisawa Koshi)
Accessories: None
Main specifications: opening diameter 212mm (screw pitch 240mm), aperture diameter 110mm (countertop 170mm, screw pitch 140mm), opening diameter 95mm (for bass reflex port/wood screw pitch 118mm), aperture diameter 70mm (Countertop 92mm, Screw Pitch 104mm) 14mm Particle Board, Veneer Finish W500 × H665 × D430mm 15kg
Unspecified 3-way enclosure It is a super bargain price with a considerable feeling of use. For experimentation or research, if you are a self-author with confidence in your arm, how about challenging it? (Yoichi Murakoshi)
Main Specifications: W648 x H967 × D457mm 36.8 Kg (Measurement) Woofer opening diameter 300 mm Scoker opening diameter 173mm tweeter opening diameter 102mm
The disposal price has been reduced! (Member prices are not applicable) 2024/3/27 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. On the exterior, there are scuffs scattered on the top surface, and many other small scratches can be seen. Serial 22063 (Yonejima Satoshi)
Maintenance information: 2024.3.27 Maintained (INPUT DIN connector replaced, DW4P-RCA female cable created. All internal checks. Lch power stage Tr x 3, DC cut C, gain setting C exchange. AC line fuse installation. 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. 2024/3/21 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 appropriate for the model year, such as line scratches on the top plate, rubber footprints, and overall dullness (Mizusaki Ryo)
Maintenance information: 2024.3.21 maintained (internal Tn, C, R check, Tn OK, gain setting C, DC cut C, etc. → replacement, DINININPUT connector replacement, cable creation ~ operation check)
Accessories: power cord, connection cord, copy of instruction manual
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) 2024/3/22 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 (Tomoho Asaine)
Maintenance Information: 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
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. 2024/3/20 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. You can see a feeling of use such as appearance, dullness, abrasions, scratches, stains, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.3.19 maintenance (DIN connector replacement, resistance in both other channels, capacitor replacement, each Tr all check)
Accessories: connection cable, 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 price has been reduced. 2024/3/18 sales price 79,800 yen ALTEC's royal unit used in A7 etc. It's a woofer with a good sense of clarity and a light sound. It has a sense of dynamism and goes well with jazz and rock (Shota Sasaki)
Maintenance information: 2024.3.18 sweep test good
Accessories: none
Main specifications: 38cm ferrite magnetic woofer, 97db, 8Ω, 20Hz to 1600Hz, weight 9.4 kg, baffle opening diameter 35.9 cm
Sold per bottle, 300B equivalent tube, direct heat triode, English tea base, double ring getter, measurement value 66 (rejection value 58) with original box*The measured values represent the gm values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
4312 miniature model The look, which reproduces the Blue Baffle 4312mk2WX, has a high degree of perfection, and it also looks great as an interior decoration. You can enjoy sharp sound quality even though it is small. The logo patch is missing, and there are 4 holes on the back. There is a scratch (Daiki Goto)
Maintenance information: 2024.4.10 operation confirmed
Accessories: none
Main specifications: 3-way, 3-speaker bass reflex system, bookshelf type, anti-magnetic design, frequency band 60 Hz to 40 kHz, 6 ohms, allowable input, 75 W, sound pressure level, 90 dB, W181 x H300 x D180 mm, 4 kg
All units have been overhauled, including the woofer, mid, driver and tweeter, and network! It is an individual that has been fully restored, including the exterior. The original 4343 by All Alnico, the original 4343 of 4343! The crisp low frequencies and punchy high frequencies are unbearable, and popularity continues unabated even now. The dynamic sound typical of JBL has been revived due to maintenance. It is a famous monitor that can best reproduce the sound source of on-microphone recordings regardless of age or genre (Sasaki Shota)
Maintenance information: 2024.4.4 Maintained (exterior repair/gray paint. Front and rear baffle repair and painting. Saran net replacement/frame repair. Woofer maintenance: edge replacement, corn paper coating. Midmaintenance: edge replacement, corn paper coating. Driver maintenance: magnetic circuit rust removal/gap cleaning/center adjustment, sound absorbing material replacement, terminal cleaning/screw replacement. Tweeter maintenance: magnetic circuit rust removal/gap cleaning, terminal cleaning/screw replacement. Network maintenance: frequency characteristic check, ATT cleaning, terminal cleaning/screw replacement, switching SW contact cleaning, high frequency capacitor replacement)
Accessories: none
Main specifications: 4 way 4 speaker bass reflex type 2405/2420/2121/2231A crossover 300Hz/1250Hz/9500Hz 8Ω 93dB W635 x H1,051 x D435 mm 83.9 kg/book