4344 has undergone interior and exterior maintenance and has been refreshed. The vividness of the performance is expressed dynamically with a full range of mid and low frequencies, which set them apart from the tall boy type, and powerful sound images. It shows an unrivaled compatibility even now, such as jazz, soul, and rock from the 70s and 90s. Serial 17764/17795 (Kimiya Miura)
Maintenance information: 2022.12.27 Maintained (exterior repair, polishing, oil finish. Front and rear baffle paint Reupholster the saran net. Woofer Mente (edge replacement, cone paper painting). Mid-maintenance (edge replacement, cone paper coating). Driver maintenance (magnetic circuit rust removal/gap cleaning/center adjustment, sound absorbing material replacement, terminal contact cleaning). Tweeter maintenance (magnetic circuit rust removal/gap cleaning, terminal contact cleaning). Network maintenance (terminal rust removal, acid cleaning, replacement of mounting screws, use of bare terminals. Solder the connectors on the board and on the coil. ATT replacement Brush and clean the INT/EXT changeover SW contacts. A frequency characteristic measurement check (~ approx. 42 kHz) was performed, and the original capacitor was continuously used for good results. Input/output waveform and balance check, sound output check) Unit detachable)
Accessories: saran net, diffuser
Main specifications: 4 way 4 speaker bass reflex unit/2235H 2122H 2426J 2405H frequency band 35 Hz to 20 kHz 8 ohms sound pressure level 93 dB W635 x H1,051 x D435 mm 96 kg
Altec's 4-way speaker 6041 has been restored both inside and outside for a clean finish. It is a system aimed at a wide range by adding a superwoofer and tweeter to the coaxial 2-way 604-8H. The way it sounds with a sense of unity like a full range is alive and well. The sense of speed that is a bit different from JBL, and the exciting sound that pushes out the entire band is an attraction that cannot be tasted anywhere else Serial 0484 0485 (Itsuro Mizushima)
Maintenance information: 2022.8.16 Maintenance completed (exterior repair/polishing/oil finishing, front and rear baffle repair/painting, saran net reupholstery/frame repair, small window saran replacement. Woofer gasket reseated, one side edge tear repair Cleaning center adjustment in the magnetic circuit gap for both 604-8H low and high frequencies. Since the network input terminal has been replaced, it is removed once, the processed part is reworked, and the wiring is made with a round terminal, rust removal of the independent input terminal and bridge plate, pickling and cleaning, ATT disassembly contact polishing and cleaning, Contact grease application, airtight tape pasting, frequency characteristic measurement check (~ approx. 42kHz), continue to use the original capacitor for good results, input/output waveform and balance check, sound output check)
Accessories: saran net
Main specifications: Unit used 416-8BSW (subwoofer), 604-8H (coaxial 2-way), 6041st (Super Twitter) efficiency 100dB impedance 8 ohm crossover Frequency 350, 1,500, 8,000 Hz W630 × H1,140 × 470 mm 95 kg
It was fully maintained in 2017/10. It will be the longed-for 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., even now. There are no noticeable scratches on the exterior. Serial 19636/18412 (Yonejima Satoshi)
Maintenance Information: 2024.1.7 Maintained (Driver Magnetic Circuit Gap Cleaning/Center Adjustment) 2017.10.11 Maintained (Terminal Cleaning, Inch Screw/Washer Replacement. ATT exchange. INT/EXT switch-over SW cleaning UH wiring correction (on both sides). Input/output waveform and balance check, sound output check, exterior polishing/oil finish. Saran net replacement. Woofer midcone paper coating Edge replacement. Driver maintenance (in-slit cleaning/center adjustment, sound-absorbing material replacement, contact cleaning). Tweeter maintenance (disassembly cleaning/contact cleaning). (Detaching the unit, cleaning the diffuser)
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
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
From exterior painting to driver gap cleaning, it has been refreshed and maintained with attention to detail! 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 sound sources recorded with on-mic recordings regardless of age or genre. The emblem is missing. It has been beautifully finished due to exterior maintenance (Murakoshi Yoichi)
Maintenance information: 2024.2.29 maintenance (exterior repair/gray paint, front and rear baffle repair/painting, horn painting, new saran net creation. Woofer maintenance (edge replacement, cone paper coating, center cap replacement) mid maintenance (edge replacement, cone paper coating) driver maintenance (magnetic circuit gap cleaning/center adjustment, sound absorbing material replacement, terminal contact cleaning/screw replacement) tweeter maintenance (magnetic circuit gap cleaning, terminal contact cleaning/screw replacement) network maintenance (frequency characteristic check, terminal cleaning/screw replacement) (Cleaning, ATT disassembly and cleaning, internal cable extension processing).
Accessories: diffuser, saran net
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
Maintained JBL large speaker system with 46cm woofer. The overwhelming bass volume played by super class woofers is richer and more spectacular than 4343 and 4344. It has enough room for low-frequency playback, and the sound that you drive loudly will not lose its contours and express plenty of punch feeling. Serial 10013 10280 (Hirotsugu Kondo)
Maintenance information: 2021.7.1 Maintained (exterior repair, polishing, oil finish)
2014.5.21 Maintained (Oil-finished after exterior polishing, Saran net replacement. Input terminal cleaning, inch screw change, attenuator exchange INT/EXT switching switch cleaning, capacitor replacement/Dayton film capacitor input and output waveform and balance Check, sound output check, frequency characteristics measurement check (~42kHz) Driver: Diaphragm installation adjustment, insulation washer replacement pad dampner replacement), edge replaced)
Accessories: Saran net, diffuser (with crack repair marks)
Main specifications: 4-way, 4-speaker, bass reflex, floor type unit 2245H/2122H/2420/2405 95dB/W/m 8Ω W765 × H1096 × D470mm 104 kg/1 bottle
Everything from exterior painting to driver gap cleaning has been refreshed and maintained with attention to detail! 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 (Hiura Katsuji)
Maintenance information: 2024.7.12 maintained (exterior repair/gray repaint front and rear baffle repair/painting, saran net replacement, frame repair, woofer maintenance (edge replacement, cone paper coating), mid maintenance (edge replacement, cone paper coating), driver maintenance (magnetic circuit rust removal/gap cleaning/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 (damaged terminals (x1) replaced from stock parts. Terminal rust removal, pickling, insulation bush & mounting screw replacement. There is evidence that the ATT was replaced by the user, but the round ATT was replaced with a new one with a square ATT with high power, the large ATT was disassembled and cleaned, contact grease was applied, and the wiring was re-soldered. INT/EXT switch-over SW contact cleaning. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used because the results were good. Check input/output waveform and balance, check sound output), detach the unit)
Accessories: saran net diffuser
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
Everything from exterior painting to driver gap cleaning has been refreshed and maintained with attention to detail! 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 sound sources recorded with on-mic recordings regardless of age or genre. The emblem is missing. It has a beautiful finish due to exterior maintenance (Tomoho Asaine)
Maintenance information: 2024.2.29 maintenance (exterior repair/gray paint, front and rear baffle repair/painting, horn painting, new saran net creation. Woofer maintenance (edge replacement, cone paper coating, center cap replacement) mid maintenance (edge replacement, cone paper coating) driver maintenance (magnetic circuit gap cleaning/center adjustment, sound absorbing material replacement, terminal contact cleaning/screw replacement) tweeter maintenance (magnetic circuit gap cleaning, terminal contact cleaning/screw replacement) network maintenance (frequency characteristic check, terminal cleaning/screw replacement) (Cleaning, ATT disassembly and cleaning, internal cable extension processing).
Accessories: diffuser saran net
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
Refreshed and maintained in 2021. 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., even now. There are repair marks on the exterior (Hiura Katsuji)
Maintenance information: 2021.5.1 maintained (exterior repair/polishing/oil finish front and rear baffle coating saran net replacement saran plate repair diffuser cleaning woofer maintenance mid maintenance driver maintenance (magnetic circuit gap cleaning/center adjustment sound absorbing material replacement screw replacement various cleaning)
Tweeter maintenance (magnetic circuit gap cleaning/center adjustment, various cleaning) unit detachable terminal rust removal, acid washing, insulation bush & mounting screws replacement, internal connection terminal replacement from faston to round terminal, ATT brand new replacement, INT/EXT switching SW contact sulfide removal, polishing, and cleaning. Frequency characteristic measurement check (~ 42 kHz) is performed, and only 1 μF for UH (tweeter) is exchanged, input/output waveform and balance confirmation sound output check)
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
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. (Tamai Jun)
Maintenance information: 2024.6.22 maintained (exterior repair/polishing/oil finishing before and after baffle coating saran frame paint net replacement plate repair horn cleaning diffuser cleaning/painting woofer maintenance (edge replacement cone paper coating)
Midmaintenance (edge replacement cone paper coating)
Driver maintenance (magnetic circuit rust removal/in-gap cleaning center adjustment, sound-absorbing material replacement terminal cleaning/screw replacement) tweeter maintenance (frame coating magnetic circuit rust removal gap cleaning terminal cleaning screw replacement)
Unit detachment network maintenance (frequency characteristic check, SW/ATT cleaning, terminal cleaning screw replacement) operation check)
Accessories: saran net
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! 2022/3/9 Sales price 848,000 yen Equipped with a state-of-the-art HF driver from Project K2 S9900 and a newly developed woofer adopting a new material cone. It is a modern wide-range speaker with a 38cm large diameter woofer+3way. The instantaneous power of the low range is also alive and well, and the delicate feeling at low volume has been improved in each stage. Appearance, there are rubbing scratches on the back. Serial (Miura Kimiya)
Maintenance information: 2022.3.9 operation confirmed
Accessories: Instruction manual, saran net, spike, jumper cable
Main Specifications: 3-Way Floor Standing Speaker 38cm Caliber Sonocore Cone Woofer/1501FE 10cm Caliber Magnesium Alloy Compression Driver/476mg 25mm Caliber Pure Titanium Compression Driver/045Ti-1 Impedance 8Ω Efficiency 93dB Dimensions W598 × H1,046 × D430mm Weight 85kg/book