Maintenance has been completed, such as disassembling and cleaning the main volume, disassembling and polishing of each switch, replacing 31 capacitors and 13 transistors! This is a Sony premain amplifier representing the 70s. The sense of extrusion and thickness has increased, yet the Sony-like outline is an appeal not found in modern amplifiers. It's an amplifier that sounds better than it looks, and is a perfect match for vintage medium speakers such as the JBL4312 series. As for the exterior, there is a scratch on the top plate. Serial 205025 (Yonejima Satoshi)
Maintenance information: 2026.4.23 Maintained (main, balance volume dismantled and cleaned. Multiple switch disassembly and polishing (function, filter, speaker switching) switch polishing (monitor mode loudness turnover) bus, treble volume sound wave cleaning. Replace the power cord. Replace the power lamp. Capacitor replacement (14 tones, 2 phono, 15 power stages) Transistor replacement (5 tones, 2 phono, 6 power stages) AUX1 input volume replacement. Pin jack polishing, bias adjustment, interior and exterior cleaning, operation check. ※Since there is no relay, a pop sound is heard when the power is turned on. Push the SP only on the one you are using. (There is no sound when both are pressed.)
Accessories: No accessories
Main specifications: output: 35W+35W (8Ω) 40W+40W (4Ω) W400×H149×D316mm weight 8.3 kg
The price has been reduced. 2026/4/19 selling price 35,000 yen Coral 1 inch horn. At 15 kg, it weighs a lot more than JBL and Altec models of the same shape, and comes straight ahead. A crackling and dead sound. A JBL 1-inch driver can also be attached (Oikawa Tetsuji)
Main Specifications: Sectoral Horn Directivity: Horizontal 90° Vertical 40° Cutoff Frequency 250Hz Throat Diameter 2.54 cm W750 x H180 x D580 cm 15 kg
The price has been reduced! 2026/3/29 sales price 198,000 yen Vertical twin system directly related to the K2 series! It is equipped with 2 small woofers, and makes you feel good instantaneous power and good positioning. It is an authentic speaker that has the ability to handle pure audio and even high-end home theaters. The exterior is dull, and there is a feeling of use such as small scratches. Serial D10551945/D10551946 (Tomoho Asaine)
Maintenance information: 2026.3.29 Operation confirmed
Accessories: instruction manual, saran net, jumper plate, spike, spike holder
Main specifications: 2 way 3 speakers 6Ω 93dB W411 × H1,093 × D495 mm 51.0 kg
The price has been drastically reduced. 2025/10/5 sales price 39,800 yen Coral 1 inch horn. It weighs a lot more than the JBL and Altec models of the same shape and comes straight ahead. A crackling and dead sound. A JBL 1-inch driver can also be attached. It's deadlocked. There are a lot of scratches overall (Sasaki Shota)
Accessories: none
Main Specifications: Sectoral Horn Directivity: Horizontal 90° Vertical 40° Cutoff Frequency 250Hz Throat Diameter 2.54 cm W750 x H180 x D580 cm 15 kg
The price has been drastically reduced. 2025/10/6 sales price 39,800 yen Coral 1 inch horn. It weighs a lot more than the JBL and ALTEC models of the same shape and comes straight ahead. A crackling and dead sound. A JBL 1-inch driver can also be attached. It's deadlocked. There are a lot of scratches overall (Sasaki Shota)
Accessories: none
Main Specifications: Sectoral Horn Directivity: Horizontal 90° Vertical 40° Cutoff Frequency 250Hz Throat Diameter 2.54 cm W750 x H180 x D580 cm 15 kg
The price has been drastically reduced. 2026/4/19 sales price 328,000 yen with original stand (list price 64,000 yen)! An improved model of the popular S143. By making the resolution and clarity of the sound more prominent while retaining the characteristic sound with a sense of volume, it expresses a sharp and smooth sound image full of dynamism. There are repair marks, small wounds, spike wounds, etc. (Oikawa Tetsuji)
Maintenance information: 2024.10.11 Maintained (exterior repaired, cleaned)
Accessories: dedicated stand, jumper plate, spike holder
Main specifications: 3-way bookshelf impedance 6 ohms allowable input 250 W frequency characteristics 35 Hz to 40 kHz crossover frequency 1.3 kHz/11 kHz dimensions W422 x H1,001 x D403 mm (including stand) weight 55.2 kg (including stand)
The price has been drastically reduced. 2026/3/23 sales price 79,800 yen This is a staple tweeter used in JBL's successive speakers. Cymbals and wind instruments are vividly played back with a clear, dry sound. There is rust and corrosion throughout. Serial 106428 106322 (Kanai Hidetsugu)
Maintenance information: 2026.3.23 Operation confirmed
Accessories: horseshoe ring
Main specifications: horn type tweeter unit, alnico magnet, 8 ohms, crossover frequency, 2,500 Hz, allowable input, 20 W, 2 kg
The price has been drastically reduced. 2026/4/1 sales price 99,800 yen This is a speaker system with JBL's masterpiece full range unit LE8T mounted in a self-made enclosure. If you've been looking for one, take this opportunity. A feeling of use can be seen on the exterior, such as scratches on the enclosure, dullness, peeling veneer, sticking on the top plate, stains, deterioration, flame misalignment, etc. on the saran net (Kobayashi Hitoshi)
Maintenance information: 2026.3.27 Maintained (corn paper repair) 2026.3.21 Maintained (edge replacement)
Accessories: saran net
Main specifications: LE8T: 20cm full range unit ferrite magnet 8Ω playback frequency 35 to 15,000 Hz screw pitch (diagonal) 193 mm 3.7 kg body W440 x H750 x D300 mm 22.8 kg (actual measurement)
The price has been drastically reduced. 2026/4/7 sales price 99,800 yen A self-made speaker system that combines JBL's LE8T commercial 20cm unit, 2115A (rubber edge) with FOSTEX FT66H. Both units use Alnico magnets. The sound with a sense of extrusion and depth is attractive. There is a gap in the attenuator. The lower speaker terminal is not connected internally. You can see a feeling of use, such as appearance, dullness, abrasions, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.4.7 Operation confirmed
Accessories: none
Main specifications: 2-way FT66H: horn type tweeter unit impedance 8 Ω playback frequency band 2.5 kHz to 22 kHz output sound pressure level 105 dB 2115 A: 20 cm cone type full range Alnico 8 Ω 92 dB playback frequency 40 to 15,000 Hz W510 x H790 x D315 mm 27.5 kg
Full maintenance has been completed from unit maintenance and ATT cleaning to exterior repairs! This is JBL's masterpiece monitor speaker 4312A that continues from generation to generation. The mid-low range with JBL's original punch is outstanding. The energetic and clear bass makes you hear a slightly different sound from current JBL speakers. The exterior has been repaired and finished beautifully (Murakoshi Yoichi)
Maintenance information: 2026.4.20 Maintained (exterior repair/cleaning, side logo painting. Saran net replacement/frame repair. Woofer maintenance: corn paper coating, cone paper repair on one side. Midmaintenance: corn paper coating, frame polishing. Tweeter maintenance: wire break repair, magnetic circuit gap cleaning, internal urethane replacement, grill dent repair. ATT cleaning)
Accessories: saran net
Main specifications: 3-way 3-speaker bass reflex crossover 1.1 kHz, 4.2 kHz impedance 8 Ω output sound pressure level 93 dB size W362 x H597 x D298 mm weight 20 kg
※It is inexpensive because it may discolor or fade due to sunburn. This is the first time in about 11 years that a single enclosure has arrived. It is an enclosure that can be upgraded to a system based on a 38cm aperture woofer. Using JBL units, you can create your own unique sound with free ideas. There are sunburns and scratches on the exterior. (TAMURA Eiji)
Accessories: nameplate, saran net
Main Specifications: Compatible Woofer 2235H Compatible Horn/Driver 2308+2307+2425J Compatible Tweeter 2402H, 2403H, 2405H Internal Volume 141L W555 x H845 x D470 mm Weight 40.3 kg
The price has been drastically reduced. 2026/4/13 sale price 1,100,000 yen excellent condition! The highest peak of the K2 system with a small baffle area and perfect unit balance with the radial horn. It is a model with low distortion, a smooth rise, thick low frequency, and tight expression that makes you feel that it is capable enough even now. The exterior is beautiful without any damage (Sasaki Shota)
Maintenance information: 2026.4.13 storefront operation confirmed (good sweep test, no cracks. 9V battery voltage check is good)
Accessories: manual, spike, spike base
Key Specifications: Alnico Magnet 15inch Woofer/ 1500Al Neodymium Magnet 3inch Driver/ 435BE Neodymium Magnet 1inch Tweeter/045BE 8Ω 400W 94dB W508 x H1,295 x D375 Weight 90 kg
All switches have been disassembled, 19 electrolytic capacitors have been replaced and maintained! The C-200S is a version upgrade of the first C-200 housing from the KENSONIC era. The impression is that the range is slightly wider than the original C-200. It quickly tightens up old jazz and vocals. Accuphase around this time was sharp, and its unrivaled compatibility with JBL vintage speakers shines through. The exterior condition is damaged and dull over time. Serial G3Y008 (Murakoshi Yoichi)
Maintenance information: 2026.4.10 maintained (headphone terminal fixing screw washer retightened and fixed, operation check) 2026.4.1 maintained (sealing door latch disassembly cleaning grease application, electrolytic capacitor replacement, all switch disassembly contact cleaning contact grease application, volume check contact cleaning, each input/output operation check)
Accessories: instruction manual (copy), power cord
Main specifications: 2 PHONO inputs, 4 line inputs, 3 outputs, Class A push-pull drive circuit with independent left and right tone control, W445 x H152 x D355 mm, 14 kg
Unspecified speaker stand. The JBL sticker is attached to one side. The decorative board sticker is rolled up and peeling (Oikawa Tetsuji)
Accessories: none
Main specifications: W270 x H590 x D340 mm, weight 2.9 kg/unit (actual measurement)
※Saran net is being repaired. Exterior maintenance, attenuator cleaning, etc. have been completed. JBL's classic monitor speaker. Although it is medium in size, its crispness and low-frequency extrusion feel are perfect for jazz and rock. The line is also thick, and it plays an amazing JBL sound (Sasaki Shota)
Maintenance information: 2026.4.12 Maintained (exterior repair/cleaning, JBL logo paint, saran net peeling area adhesive. Woofer maintenance: corn paper coating, cone crack repair on one side. Mid-cone paper painting/frame polishing, TW grill dent correction ATT cleaning)
Accessories: none
Main specifications: 3-way 3-speaker bass reflex bookshelf type 93dB 6Ω W362 x H597 x D298 mm 20 kg
The price has been reduced! 2026/4/13 sales price 99,800 yen edge has been replaced! This is the woofer installed in the 4344 and 4430. Since it is for studio monitors, it is a durable and easy to handle woofer that combines strength and softness. It plays a low-pitched low frequency with a low back. The exterior is dirty and dull. Serial 16093/16202 (Yonejima Satoshi)
Maintenance Information: 2026.4.13 Maintained (edge replaced)
Accessories: No accessories
Main specifications: 38cm woofer, 8 ohms, 300 W, 93 dB, frequency characteristics, 20 to 2 kHz, recommended crossover, 1 kHz or less, recommended enclosure volume 85 to 285 liters, diameter 388 x D133 mm, 10.1 kg/bottle
The price has been drastically reduced. 2026/4/9 sales price 498,000 yen Both inside and outside have been fully maintained and brushed up! This is an original 4502 enclosure. The sense of energy that comes close in front of you, and the dynamic, and dynamic sound quality is truly JBL. You can enjoy lots of dynamic sounds. It has been beautifully finished with exterior maintenance (Sasaki Shota)
Maintenance information: 2026.4.9 Maintained (exterior repair/full painting, back surface plate created. Saran net replacement/frame repair. Woofer cone paper paint. Driver maintenance: magnetic circuit rust removal/gap cleaning/center adjustment, sound absorbing material replacement, terminal cleaning/screw replacement. Network maintenance: frequency characteristics check, ATT cleaning, main unit cleaning)
Accessories: none
Main specifications: Unit configuration 2215B, 2420+2307, 3110 crossover 800 Hz W610 x H770 x D520 mm, weight approx. 40 kg/book
Maintenance has been completed with 26 capacitors, 8 lamps replaced, disassembled all switches, polished, etc. A famous and famous first generation preamp. The coat is different from today's tones, and the solid sharpness and punchy tone go great with vintage speakers such as JBL. The sharp sound image and exhilarating sound are different from the current model's appeal. There are small wounds, dullness, etc. (Oikawa Tetsuji)
Maintenance Information: 2026.3.23 Maintained (Electrolytic Capacitors, Tantalum Capacitors, Lamps, Power Switch Replacement. Volume cleaning, selector type disassembly cleaning and cleaning. Phono input changes were partially corrected. Cleaning panels, knobs, housings, and terminals. Other part inspection, aging test*The phono part has been remodeled, so it has been restored to its original state)
Accessories: power cable, copy of instruction manual
Main specifications: 3 phono systems (equipped with head amplifiers), 3 line systems, 3 tape systems, W445 x H160 x D373 mm, 13.4 kg
Full maintenance has been completed from unit maintenance and ATT cleaning to exterior repairs! Starting with the 4310, which was manufactured in the 70s, it is a JBL masterpiece monitor speaker that continues to the present day. It has a mid-low range full of energy typical of JBL, and plays jazz and rock well. Using a dome-shaped tweeter molded from pure titanium, it is a speaker that can withstand playback of modern sources (Daiki Goto)
Maintenance information: 2026.4.17 Maintained (exterior repair/polishing/oil finish. Front and rear baffle repair and painting. Saran net replacement/frame repair. Woofer midcone paper coating. ATT wash. (Detachable unit)
Accessories: none
Main specifications: 3-way 3-speaker bass reflex crossover 1.1 kHz, 4.2 kHz impedance 8 Ω output sound pressure level 93 dB W362 x H597 x D298 mm 20 kg
100V specification. Both GAIN VOL channels have been dismantled, cleaned, and maintained by replacing capacitors, diodes, etc.! A masterpiece transistor type power amplifier from McKinn's heyday. The powerful, rich, and thick tone is a popular gem among jazz fans of yesteryear. The sound combined with JBL vintage speakers is exceptional. On the exterior, the meter panel is slightly discolored, has small scratches and dullness, and there is a feeling of use (Katsuji Hiura)
Maintenance information: 2026.4.17 maintenance completed (GAIN VOL both channel dismantling and cleaning, meter SW cleaning, meter board, driver board, power supply board C, diode, lamp replacement. (Power stage TR status OK, SP relay contact cleaning, panel grip correction, meter section cleaning.)
Accessories: instruction manual
Main specifications: 200W+200W (1/2/4/8Ω) input sensitivity 0.75/2.5V W411 × H181 × D368 mm 38.6 kg
Wood horn for JBL 2" screwdrivers. Designed for concert halls. It features a warm tone unique to wood. The horn is painted black. There is a small scratch (Daiki Goto)
Accessories: none
Main specifications: directivity 140 degrees x 60 degrees (horizontal x vertical) crossover frequency 800 Hz W660 x H95 x D 340 mm weight 4.4 kg
The disposal price has been reduced! Member prices are not applicable. 2026/2/23 sales price 290,000 yen Maintained! JBL's masterpiece 2 inch screwdriver. You can enjoy the rich sound built into a number of famous devices. In particular, the sense of energy and density in the midrange is excellent, and the vocals are sensual. The treble that stretches without impacting your ears is also attractive. There is a slight dullness in the diaphragm. The exterior is in a beautiful category even when viewed from the model year (Oikawa Tetsuji)
Maintenance information: 2026.2.23 Maintained (vibration plate installation adjustment
Pad dampener mounting screws, insulation bushing deterioration replacement
DCR (27466 7.4 ohm vibrating plate scratch) (27409 6.8 ohm vibration plate scratch not) vibrating plate replacement)
Accessories: none
Main specifications: 2 inch driver frequency band 500 Hz to 10 kHz crossover 500 Hz or higher sound pressure level 108 dB impedance 16 ohms (measured 27466/7.4 ohms, 27409/6.8 ohms) diameter 180 x depth 130 mm weight 11.8 kg/bottle
Maintained! Crossover 7000 Hz. Recommended for those who want to add 075 or 077. There is dullness and small scratches. Serial 32641/34231 (Eternity Miraito)
Maintenance information: 2026.4.16 maintenance completed (attenuator VR replacement, terminal mounting screw rust, insulation bushing deterioration replacement, terminal ultrasonic cleaning, crossover check OK)
Accessories: none
Key Specifications: Variable Level Control Crossover Frequency 7kHz 8Ω Weight 900g
Maintained! The front paint peels off a lot, so it's cheap. A rare 800 Hz/8 ohm network that doesn't arrive easily. For those who are self-made and use LE175 or LE85. You can enjoy a horn sound that is a bit different from 500Hz. There are paint peeling, line scratches, rust spots, etc. on the exterior. Serial 6218/6226 (Eternity Miraito)
Maintenance information: 2026.4.16 maintenance completed (input terminal deterioration replacement, ultrasonic terminal cleaning, insulation bushing mounting screw rust replacement, attenuator switch contact cleaning, crossover check OK)
Accessories: none
Main specifications: impedance 8 ohms, crossover, 800 Hz, 120 W, 3-stage gain control, approx. 1.9 kg
The price has been drastically reduced! 2026/4/4 sales price 69,800 yen JBL 38cm full range unit. Compared to the E140-8 of the same price, the playback frequency band is wide and holds the sound firmly over the entire range. In particular, this one has overwhelmingly superior growth in the high range, so if you cross at a higher frequency such as 1200 Hz, I recommend this one. Externally, there is a small scratch on the center cap. Serial 45366/45376 (Yonejima Satoshi)
Maintenance information: 2026.4.4 sweep test is good
Accessories: No accessories
Main specifications: 38 cm ferrite magnet, 8 ohm, 300 W, 105 dB, 50 to 6,000 Hz, baffle opening, front 350 mmφ, rear 343 mmφ10.1 kg
The price has been reduced! 2026/4/13 sales price 69,800 yen edge has been replaced! Surprisingly, there are few models in stock. The thick, firm tone typical of JBL is attractive. It is also recommended for those who like to make their own creations. The exterior has dullness due to aging, small scratches on the metal parts, etc. (Satoshi Yonejima)
Maintenance Information: 2026.4.13 Maintained (edge replacement cone paper colored gasket replacement)
Accessories: No accessories
Main specifications: 38 cm 8 Ω 200 W 93 dB 25 Hz to 2 kHz screw pitch (diagonal) 367 mm weight 11.7 kg
The disposal price has been reduced! Member prices are not applicable. 2026/2/8 sales price 49,800 yen JBL professional 38cm woofer. It is compatible with front-load enclosures such as the 4560BK, and the exciting and bouncy low frequency playback that cannot be experienced with a urethane edge woofer is attractive. Stains, stains, and scratches can be seen on corn paper sunburn. Serial 26624, 26934 (Fujisawa Yukishi)
Maintenance information: 2026.2.8 operation confirmed
Accessories: No accessories
Main specifications: 38cm cone type woofer ferrite magnet playback frequency band 40 to 20 kHz 8 ohms 101 dB crossover frequency 800 Hz 10.4 kg
The price has been reduced! 2026/4/1 sales price 79,800 yen Maintained! 150-4H instrument model. It is based on the masterpiece unit 150-4C, and the thick sinking low frequencies and instantaneous power that can be imagined even from thick rims cannot be enjoyed without this woofer. This product is recommended for those looking for an aggressive mid-low range that makes you want to make a loud noise by storing it in a front load enclosure, etc. There are tear repair marks around some edges. (TAMURA Eiji)
Maintenance information: 2026.4.1 Maintained (bad solder on grommets, replacement of tinsel wire. (Repairing torn corn paper)
Accessories: none
Main specifications: 38 cm ferrite playback frequency band 35 Hz to 2.5 kHz 98 dB impedance 8 ohms rim outer diameter 400 x D157 mm screw pitch 370 mm (diagonal) 13.85 kg
The disposal price has been reduced! Member prices are not applicable. 2026/3/19 sales price 89,800 yen Professional 38cm cone woofer mounted on the JBL4343B. It is perfect for jazz and rock, and its thickness and volume are attractive. The urethane edge has high sensitivity, and is recommended for those who want a firm low range. Serial 16748/14329 (Tamura Eiji)
Maintenance information: 2026.3.19 sweep check OK
Accessories: none
Main specifications: 38cm cone woofer impedance 8Ω allowable input (continuous program) 200W sound pressure level 94 dB/w/m frequency band 25 Hz to 2 kHz magnetic flux density 12,000 Gauss enclosure volume 85 to 170 L depth 137 mm weight 10.1 kg/1
*Currently sold. JBL bluetooth speaker It is IPX7 waterproof and can also be used outdoors or at the waterside (Oikawa Tetsuji)
Maintenance information: 2026.4.15 Operation confirmed
Accessories: original box, instruction manual, connection cable
Main specifications: W220 × H93.4 × D96 mm 0.93 kg