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
Full maintenance from exterior to edge replacement and saran net replacement! It's the long-awaited blue baffle 4344. The vividness of the performance is expressed dynamically with a full mid-low range that sets it apart from the tall boy type, and a powerful sound image. It shows an unrivaled compatibility with jazz from the 70s and 90s, soul, rock, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.19 maintenance (exterior (repair, polishing, oil finish, front and rear baffle repair, painting, saran net replacement, frame repair) woofer maintenance (edge replacement, cone paper coating) midmaintenance (edge replacement, cone paper coating) driver maintenance (magnetic circuit rust removal, center adjustment, sound-absorbing material replacement, terminal contact cleaning) tweeter maintenance (horn disassembly and cleaning, Magnetic circuit rust removal, gap cleaning, terminal contact cleaning) network maintenance (frequency characteristic check, ATT cleaning, terminal cleaning) defuser repair)
Accessories: saran net diffuser
Main specifications: 4-way 4-speaker bass reflex unit 2235H 2122H 2421B 2405H frequency band 35 Hz to 20 kHz 8 ohms sound pressure level 93 dB W635 x H1,051 x D435 mm 96 kg
The price has been drastically reduced. 2024/4/20 sales price 848,000 yen Exterior cleaning and repair completed! This is JBL's standard monitor series. Compared to the 4343 and 4344 up until now, you can enjoy modern JBL sound that is more delicate, has a sense of balance between each band, and has good grain. Fine nuances are coming out in the vocals. There is a repair mark on the top plate (Kobayashi Hitoshi)
Maintenance information: 2024.4.19 maintenance (exterior cleaning, repair, saran net turning and bonding, 9V battery replacement)
Accessories: instruction manual, saran net, jumper
Main specifications: 4 way 4 speakers, impedance 6 ohms, output sound pressure level 95 dB, W597 x H1080 x D400 mm, 90 kg/1
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 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 disposal price has been reduced. Member discounts are not applicable. 2023/11/30 Sales price 128,000 yen 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 freshness and intensity of character. When paired with the same speakers made in England, you can enjoy a calm, high-quality sound. Personally, I recommend the combination with QUAD405. *There is a slight sound leak even when the volume is reduced due to initial type specifications. The RADIO next to the back input DISC is the AUX input (Murakoshi Yoichi)
Maintenance information: 2023.11.29 maintenance (balance VOL, filter VOL, each rotor legal → oil cleaning, no AC switch spark killer → installation, tantalum C replacement in each board, power supply filter C replacement, input cable DW5P creation.)
Accessories: DIN cable, power cord, instruction manual (copy)
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321×H103×D203 mm
Set of 5 LP/SP switchable replacement needle for Columbia PU-1270, PU-1280, and SPC-310 DTS-2 compatible Unopened, operation unconfirmed (Hiura Katsuji)
Maintenance Information: Operation Unconfirmed
Accessories: original box
The disposal price has been reduced! (Member discounts are not applicable) 2023/8/22 sales price 800 yen ※Quality cannot be guaranteed because deterioration due to long-term storage can be seen. Nagaoka replacement needles are compatible with COLUMBIA DSN-16 (Hiroki Aso)
Maintenance Information: 2023.8.24 Operation has not been checked
Accessories: case
The disposal price has been reduced. Member discounts are not applicable. 2024/4/13 sales price 128,000 yen ※The PHONO board is for MC only (MM cannot be used). 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
※It has been repainted and is inexpensive because it is in poor condition. JBL original product. A floor-type enclosure that uses a rear-loading horn system. The interior has a folding horn structure with a total length of 2 meters, making it possible to reproduce powerful bass far exceeding its size. The exterior is scattered with chipped corners, scratches, and dullness. Shipping costs will be estimated separately (Mizusaki Ryo)
Accessories: screws
Main specifications: hole diameter 365 mm, screw pitch 420 mm backroad horn compatible speakers 2205, 2225, E140 minimum playback frequency 50 Hz main material particle board+Yonematsu laminated plywood (front baffle/road horn) W603 x H12 x D603 mm approx. 54 kg
The disposal price has been reduced! Member discounts are not applicable. 2024/4/18 sales price 79,800 yen with MA15 woofer fixing bracket! An original product. A floor-type enclosure that uses a rear loading horn system. The interior has a folding horn structure with a total length of 2 meters, making it possible to reproduce powerful bass far exceeding its size. The exterior has chipped corners, scratches, repair marks, and paint peeling. Serial 11154 (Tomoho Asaine)
Accessories: MA15 woofer grill net
Main specifications: hole diameter 365 mm, screw pitch 420 mm backroad horn compatible speakers 2205, 2225, E140 minimum playback frequency 50 Hz main material particle board+Yonematsu laminated plywood (front baffle/road horn) W603 x H12 x D603 mm approx. 54 kg
4530BK made by Shinkosha. Since there are many chips and scratches throughout, it is inexpensive. The D130 was mounted. Woofer with MA15 fastener! Powerful bass reproduction far exceeding size is possible with the rear loading horn type enclosure (Sasaki Shota)
Accessories: MA15
Main specifications: screw pitch 420 mm hole diameter 360 mm plate thickness 40 mm front baffle plate thickness 22 mm W600 x H1250 x D600 mm 56.3 kg (all measured)
XLR female to mono mini jack cable 4.5m unusual combination microphone cable. Can also be used as a normal microphone cable using standard jack conversion (Murakoshi Yoichi)
Maintenance information: 2024.4.11 continuity confirmed
Accessories: none
The disposal price has been reduced! Member prices are not applicable. 2022/7/16 selling price 100,000 yen wooden 46cm double woofer type. Baffle opening diameter 425mm Screw pitch 490mm Baffle and enclosure plate thickness 24mm Duct opening diameter 108mm Both the front and back plates cannot be removed. There is a difference in discoloration on the left and right in appearance, and there are corner chips, digging scratches, and dirt stains. (Yutaka Takimoto)
Accessories: none
Main specifications: W1600 × H950 × D850 mm (actual measurement) The weight has not been measured, but it seems that it is 100 kg or more.
Victor DTS-2 compatible Replacement needle for DTS-2 and STS-2 Operation not confirmed (Murakoshi Yoichi)
Maintenance information: operation unconfirmed
Accessories: original box
The price has been reduced! 2024/3/31 sales price 1,000 yen exchange needle for Nagoya. This is a Victor DT-ZL1S compatible product. Since there are no compatible cartridges, they have not been checked. *Quality cannot be guaranteed due to deterioration due to long-term storage (Takahashi Nobuyuki)
Maintenance information: 2024.3.31 unchecked
Accessories: case
Self-made enclosure. The woofer opening is about 340 mm in diameter, the horn opening above it is 450 mm x 266 mm, the upper opening is 260 mm x 134 mm, and the tweeter part is about 60 mm in diameter. Shipping costs will be estimated separately (Oikawa Tetsuji)
Accessories: none
Main specifications: plate thickness 25 mm W800 x H960 x D580 mm 54.1 kg (actual measurement)
The price has been reduced! 2024/4/19 sales price 79,800 yen ※1 unit only. Maintained! It is originally a professional mono amplifier, but there is only 1 unit. You can feel the strong power of the sound quality even with just one unit. It seems to be useful for mono and center speakers. There are scratches and paint peeling on the exterior. Serial Q001769 (Fujisawa Yukishi)
Maintenance information: 2024.4.19 Maintained (XLR speaker cable created (3 meters)). Electrolytic capacitor replacement. ATT cleaning. Solder correction. Rubber feet added. Bias offset check. Output audio check. Input ① GND ② HOT ③ GND (unbalanced) output ① not used ② is set to plus ③ minus 8 Ω load. (Also, a pop sound is made when the power is on and off, but this is a specification)
Accessories: speaker cable, power cable
Main specifications: 8 ohms W482.6 x H88 x D320 mm weight 13 kg
The price has been drastically reduced. 2024/3/2 sales price 99,800 yen Maintained! professional monitor amplifier It has strength unique to commercial use, and the driving power in the low range is truly remarkable. However, it also has a strong sense of temperature typical of a quad, so it is an amplifier that I would like people who are shunned when the sound is too straight for commercial use to try it once. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.3.2 maintained (internal dismantling all check, Tr, C, R check, ±B INPUT bypass C replacement, Tr, R, etc., all OK, INPUT photocoupler check, operation check)
Accessories: copy of instruction manual, power cord, dedicated SP cord (cable length 2.5 m)
Main specifications: 100W+100W (8Ω) W483 × H88 × D310 mm 12.5 kg
1 sold bi-triode power tube made in the USA JAN measurement value 58 (rejection value 40) with original box ※ Measured value is gm value measured by tv-7 tester (Yosuke Kojima)
Accessories: original box
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima)
Accessories: original box
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima)
Accessories: original box
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima)
Accessories: original box