A classic MC boost transformer. With 2 input systems, the impedance can be switched to 3.40 ohms, and a PASS line is included, so you can freely enjoy various cartridges and tone arms. There are dirt and stain marks on the exterior (Tamura Eiji)
Maintenance information: 2024.6.6 operation confirmed
Accessories: none
Main specifications: MC boost transformer input 2 systems switchable, primary impedance 40 ohm, 3 ohm switching, secondary impedance 4 kΩ boost ratio 1:10 frequency characteristics 10 Hz to 100 kHz, W97 x H65 x D155 mm, 800 g
The price has been reduced. 2024/5/9 sales price 49,800 yen Woofer edge softening treatment! A classic model that uses carbon graphite on woofer cone paper. The high and middle ranges have a core yet are glossy, and the low frequencies are tight. It is a well-balanced speaker and is suitable for a wide range of genres. In particular, the vocals in combination with a vacuum tube amplifier are excellent. You can enjoy the enchanting diatone sound. As for the exterior, the frame has rust, scuffs, dullness, etc., and there is a feeling of use (Murakoshi Yoichi)
Maintenance information: 2024.5.7 maintenance (exterior cleaning, edge softening treatment)
Accessories: saran net
Main specifications: 3 way, 3 speakers, sealed impedance 6 ohms, W380 x H680 x D325 mm, 21 kg
The price has been drastically reduced! 2023/12/1 sales price 298,000 yen Interior and exterior refreshment maintenance has been completed and brushed up! A consumer model of the 2S-305, a timeless monitor speaker masterpiece that Japan is proud of. The thick and clear midrange and detailed high frequencies, which cannot be felt with the look, vividly reproduce vocals. The sound that accurately expresses the characteristics of an amplifier that is set regardless of whether it is a vacuum tube or transistor makes me feel the goodness of the device I have on hand that I haven't been able to see until now. The exterior is in perfect condition due to maintenance. Serial 351364 4851370 (Yamato Yuki)
Maintenance information: 2023.12.1 Maintained (exterior polishing, oil finish, exterior repair, front and rear baffle painting to create missing parts, saran net replacement, velcro replacement. Woofer maintenance center adjustment, edge damping agent application, disconnection solder treatment, center cap dent correction. Tweeter maintenance center cap internal cleaning and replacement, center adjustment, corn paper edge crack repair, edge damping agent application, unit detachment. Network maintenance frequency characteristics check, ATT contact cleaning, terminal cleaning sound operation confirmed)
Accessories: saran net
Main specifications: 2 way bass reflex system input impedance 8 ohms output sound thickness level 96 dB crossover frequency 1500 Hz W650 × H880 × D445 mm weight 50 kg
The current state is just the main unit and the dust removal brush. Discwasher record care system. The cleaning liquid is out of stock, so it's cheap. The touch and grip when you hold it is reminiscent of a brush from a luxury shoe cleaning kit. Appearance, dullness, abrasions, and a feeling of use can be seen (Kobayashi Hitoshi)
Accessories: original box, brush
Main specifications: W121 x H60 x D58 mm (actual measurement)
The price has been drastically reduced. 2024/5/30 sales price 128,000 yen Maintained! This is a Dynaco tubular control amplifier. It is an amplifier where you can enjoy the warm and comfortable sound unique to vintage. While the microwave feel is moderate, the nostalgic sound with an emphasis on atmosphere has a unique, hard-to-get flavor. There is a feeling of use such as rust stains on the top and sides, and rust etc. on the knobs (Murakoshi Yoichi)
Maintenance information: 2024.5.29 maintenance (12AX7, 2000 μF electrolytic capacitor, 1 μF replacement, 1/4 W resistance added as a measure to improve switching noise, vacuum tube socket and RCA jack caulking repair, parts check including block capacitors, and operation check with AC 100 to 117 V)
Accessories: none
Main specifications: vacuum tube 12 AX7 x 4, 12 x 4 line input 5 systems phono 1 system (mm), 1 pre-out system, W385 x H134 x D230 mm 7 kg
The disposal price has been reduced. Member prices are not applicable. 2024/4/11 sales price 118,000 yen ※It's cheap because it doesn't have a hood. Maintained! Vacuum tube stereo power amplifier. The bright and fresh sound typical of DYNACO is attractive. This is an amplifier I want to play in combination with JBL, Altec, etc. The grill is missing, and there is a feeling of use due to aging (Daiki Goto)
Maintenance Information: 2024.4.11 Maintained (· Block Capacitor 30/20/20 μF Defect Replacement · Stereo/Mono Switch Defect Replacement · Shock Noise Improvement Measures → Spark Killer Addition · Vacuum Tube 7199 Noise Exchange · Mylar Capacitor 390pF Deterioration Replacement 2 · Resistors 1/2 W Deterioration Replacement · BIAS Readjustment · Vacuum Tube Socket and RCA Jack Caulking Repair. *Other operation checks have been performed (measured at 32 to 41 W SP: 8 Ω at rated output AC 100 to 117 V)
Accessories: instruction manual
Main specifications: rated output 35W+35W vacuum tube EL34 x 4 7199 x 2 GZ-34 x 1 W330 x H165 x D240 mm 12.5 kg
Pair tube, 6BQ5 compatible ball, made in Yugoslavia, foot, measured value 70/70 (rejected value 50) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Speaker cable 1.2m pair is a cable from German manufacturer Einstein. It is a multi-core structure of 4N copper wire (Daiki Goto)
Maintenance information: 2024.2.27 continuity confirmed
Accessories: none
Single sale direct heat triode tube, made in Russia, white base, measured value 78 (rejected value 58) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode tube, white base, made in Russia, measured value 84/76, rejected value 58) with replacement box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube direct heat triode tube, white base, made in Russia, measured value 80/80 (rejected value 58) with original box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, EL34 compatible ball, Russian tube, measured value 44/42 (rejected value 30) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
A popular model of electric voice equipped with a 46cm woofer. There are 4 bass reflex ports around the woofer, but that wasn't enough, and the midbass also has 1, creating a low frequency with good clarity. Coupled with a mild mid-range and thick high frequencies, it is a speaker that has the flexibility and richness of European sound while having a dynamic structure. Serial S111556 S112448 (Murakoshi Yoichi)
Maintenance information: 2022.6.23 maintained (exterior cleaning, scratching, dent repair, stain area touch up saran net simple cleaning)
2018.7.6 Maintained (Exterior Cleaning Touch Repair Saran Net Replacement Woofer, Mid and Edge Replacement Driver Magnetic Circuit Slit Cleaning Center Adjustment Diaphragm Cleaning Contact Cleaning Network Input Terminal Rust Removal Cleaning Reinforcement Screw Fastener Application BI-AMP Switching Plug Cleaning ATT (SW Type) Cleaning Input/Output Waveform and Balance Check, Sound Output Check frequency characteristics measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used for good results)
Accessories: saran net
Main specifications: 3-way 3-speaker bass reflex floor type woofer 46cm cone type scoker 30cm cone tweeter horn type crossover frequency frequency 250 Hz, 1.5 kHz playback frequency band 40 to 20000 Hz 6 Ω 95dB W64.2 x H119.3 x D45.0 cm 63.0 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/6/2 sales price 2,980,000 yen In addition to full maintenance including the exterior in 2020, the ATT has now been cleaned and inspected all parts, and further brushed up. The Georgian 4, which has an attractive elaborate horn configuration and beautiful furniture-like design, has arrived. It has a structure with a built-in crispy horn to create a unique sound with a rich sense of scale. There is a smell in the room (Kobayashi Hitoshi)
Maintenance information: 2024.6.2 maintained (ATT cleaning/inspection of various parts) 2020.2.12 maintained ([main body] exterior cleaning/touch repair, resonance/distortion countermeasures, unit detachment [unit] single-sided woofer recorn, both driver disassembly and cleaning, TW one-sided disassembly and cleaning, TW one-sided coil manufacturing exchange [network] TW capacitor and resistor replacement. *Some capacitors before replacement are difficult to remove, so they are left inside. Frequency characteristic measurement check (~ 42 kHz). Input/output waveform and balance check, sound output check.)
Accessories: none
Main specifications: 15WK, MT-30 (828HF), T35VHF, X336 (300/3500) approx. W860 x D660 x 1350 mm approx. 90 kg
Power cable 1.5m 7N copper conductor, custom-made plug and connector using stress-free treated beryllium copper, an advanced model of the company's power cable. The clear tone without stagnation and the sense of sound pressure are amazing. There is a fine scratch on the plug cover (Kojima Yosuke)
Accessories: none
*Currently sold. The output has been changed to an RCA female terminal. FR MC boost transformer using a toroidal core. Create a natural sound that makes it easy to understand the characteristics of cartridges. In addition to switching the impedance of 10 to 30 ohms, there is also a bypass position, so it is compatible with various cartridges without taking up much space. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.21 Operation confirmed
Accessories: copy of instruction manual, connection cable
Main specifications: impedance 10 ohm/30 ohm/PASS playback frequency band 20 Hz to 30 kHz W64 x H64 x D105 mm approx. 455 g
*Although it is a 60 Hz specification, the strobe on the platter is 50 Hz. Maintained! It is a setup that successfully combines the stickiness and guts of the classic Grace arm 545 with few quirks, and the delicate expression with fine grain. It's a car that can be enjoyed regardless of genre. The exterior and flash are not compatible with 50 Hz specifications, and a feeling of use can be seen on the back, such as screw holes, dullness, abrasions, scratches, etc. that seem to be numerous hinge installation marks. Cereal 69774 (Kobayashi Hitoshi)
Maintenance information: 2024.6.5 maintenance completed (motor disassembly/check/lubrication/assembly, motor suspension rubber replacement, suppressor → rebuild replacement, main bearing disassembly/oil filling, oil sealant application, assembly, pulley adjustment, idler cleaning, TT mat replacement, mount rubber washer added, running test OK)
Accessories: sub weight, black weight
Main specifications: GRACE G-545: static balance type effective length 237 mm cartridge mounting weight range 9.5 to 34 g (including shell) needle pressure variable range 0 to 5 g GARRARD 301: idler drive compatible with 33, 45, 78 rotations W500 x H210 x D403 mm
The price has been drastically 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)
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 KT88 compatible ball American metal base measurement value 58/52 (rejection value 44) There is getter burn and loss on one side, and there is dullness on the base on the other side ※The pair is judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube KT88 compatible ball American metal base measurement value 68/62 (rejected value 44) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Set of 2 (the internal shape seems to be the same, but the manufacturer country print is different (made in Canada/USA), so they are not treated as a pair), brown base measurement value 44/42 (rejected value 25), getta burns, and decreases) *Measured values indicate GM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, KT88 compatible ball, American metal base, measured value 66/64 (rejected value 44) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube made in the USA side getter measurement value 62/58 (critical value 30) with JAN original box ※ The pair is determined based on GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: original box
Pair tube, 211 equivalent tube, large triode tube, made in America, actual measured IP value: 47/47 mA (the best standard IP value for this amplifier is 50 mA) with original box ※ sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke)
Accessories: original box
Pair tube, deflection output tube, made in America, with original box ※Pairs are determined based on EM values measured with the TC-162 tester (Kojima Yosuke)
Accessories: original box
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
1 bottle of KT88 compatible ball, made in America, metal base, LUXMAN print measurement value 54 (rejection value 44), base with replacement box, has dullness ※ measured values indicate GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube, English tea base, double gettering code: 8047/8048 measured value 56/54 (rejected value 32) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Large triode sold per unit measured IP value: 50 mA (the best standard IP value for this amplifier is 50 mA) There is a getter burn with the original box ※ I checked the sound output and measured the plate current value with the test amplifier, and it was determined that the operation was good (Kojima Yosuke)
Accessories: original box
Sold 1 bottle EL34 compatible ball, made in Japan, black plate, measured value 52 (rejected value 30) with original box, there is a slight getter burn ※ pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 45 Special compatible ball straight heat triode tube fishing rod type filament measurement value 84/84 (rejected value 55) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 45 Special compatible ball straight heat triode tube fishing rod type filament measurement value 90/90 (rejection value 55) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 45 Special compatible ball straight heat triode tube fishing rod type filament measurement value 86/84 (rejected value 55) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube (checked with a tube checker) beam quadrupole. There is a tea box. Measured value 36,34/30 (rejection value) *The pair was determined based on the GM value measured by the testing machine TV-7. The ※ logo is scratched, so it's a bargain.
Set of 4 cone spike insulators short type insulators that suppress vibration and resonance in various devices. The tip is formed in a circle, and since it is an ICP material made of soft and hard material, it is hard to scratch furniture. (FUJISAWA KOSHI)
Accessories: none
Main specifications: ICP composite short type φ35mm×H18mm
Refresh yourself with interior and exterior maintenance! A gray-finish model of the king monitor 4343B. The balance between thick, strong mids and responsive bass is perfect. A model that wants to make jazz and rock sound thick, thick, and powerful. It's a lot of exhilarating noises. The exterior has been beautifully finished due to maintenance (Tomoho Asaine)
Maintenance information: 2024.5.27 Maintained (exterior repair/all coated saran frame processing correction repair/net replacement, plate maintenance repair, plate maintenance (edge replacement, cone paper coating, center cap replacement)) midmaintenance (edge replacement, cone paper coating, center cap replacement, 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, exterior painting) horn painting, diffuser repair/painting, baffle plate cleaning unit detachable network maintenance: frequency characteristic check, ATT cleaning, switching SW/terminal cleaning/screw replacement)
Accessories: diffuser saran net
Main specifications: 4 way 4 speaker bass reflex crossover 300 Hz/1,250 Hz/9,500 Hz impedance 8 Ω 93 dB dimensions W635 x H1,051 x D435 mm weight 83.9 kg/1
This is a standard JBL monitor that has undergone internal and external maintenance and has been refreshed. The darker and thicker tone compared to the current model still doesn't even seem to be declining in popularity. The thick, exhilarating sound goes well with jazz and rock, and the punchy sound is captivating. The exterior has been beautifully finished due to maintenance. Serial 32547 32298 (Murakoshi Yoichi)
Maintenance information: 2024.5.16 maintenance (exterior repair/cleaning, saran net cleaning, repasting, ATT cleaning)
Accessories: saran net
Main specifications: 3-way 3-speaker bass reflex system frequency characteristics 45 Hz to 20 kHz sound pressure level 93 dB impedance 8 ohms allowable input 100 W dimensions W362 x H597 x D298 mm weight 20 kg/1
The price has been reduced. 2024/5/24 sales price 79,800 yen This is a standard professional 1-inch screwdriver model. It is installed in many of the company's 43 series, etc., and it is a driver that is easy to balance even when combined with various woofers and tweeters. There is a feeling of use due to appearance, dullness, small scratches, abrasions, etc. (Takasaki Atsushi)
Maintenance information: 2024.5.24 sound output confirmed
Accessories: none
Main specifications: 1 inch driver, throat diameter: 25 mm, 16 ohms (measured 10/12 ohms), 118 dB, frequency characteristics, 800 Hz to 20 kHz, crossover frequency: 500 Hz or more, 5.1 kg
8000 Hz network for high range It can also be used in combination with JBL 077 or when combining a full range with a tweeter. Exterior, paint deterioration and peeling, dullness, and feeling of use can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.5.25 maintained (terminal terminal deterioration replacement, terminal cleaning (coil replacement) attenuator VR replacement, crossover 8000 Hz check OK)
Accessories: none
Key Specifications: 2 Way Variable Level Control Crossover Frequency 8kHz 8Ω Weight 0.9 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
Maintained! The strength of the extrusion of the entire range and the clear sound are truly sounds unique to the heyday of JBL. The mid-high range with a unique sense of spaciousness and strong linearity makes hard bop and trumpet sounds pleasant. The sense of volume in the mid to low range is also attractive not found in modern speakers. The exterior has been beautifully finished due to maintenance (Mizusaki Ryo)
Maintenance information: 2024.5.11 maintained (exterior repair/polishing/oil finish, front and rear baffle/horn repair/painting, saran net replacement/frame repair, woofer edge replacement, driver maintenance: magnetic circuit rust removal/gap cleaning/center adjustment, network maintenance: frequency characteristic check, ATT cleaning, terminal cleaning/screw replacement, unit detachment)
Accessories: saran net
Main specifications: 2-way bass reflex, 30cm woofer, frequency band, 40Hz to 16kHz, impedance, 8Ω, sound pressure level, 91 dB, dimensions W406 x H635 x D311 mm, weight 26 kg/book
The price has been reduced! 2024/5/18 sales price 79,800 yen Maintained! The classic model for professional 1" screwdrivers. It is installed in many of the company's 43 series, etc., and it is a driver that is easy to balance with various woofers and tweeters. The exterior has dullness and small scratches. Serial 60878/74750 (Tamura Eiji)
Maintenance information: 2024.5.18 Maintained (diaphragm installation adjustment. Pad dampener, mounting screw rust replacement. Wiring terminal contact part cleaning, terminal dirt cleaning, insulation bushing replacement. Diaphragm dirt cleaning, internal wiring cable replacement. DCR (74750/6Ω diaphragm no scratch) DCR (60878/5.7Ω diaphragm no scratch))
Accessories: No accessories
Main specifications: 1 inch driver, throat diameter: 25 mm, 16 ohms, 118 dB, frequency characteristics: 800 Hz to 20 kHz, crossover frequency: 500 Hz or more, 5.1 kg
The price has been drastically reduced. 2023/9/9 sales price 69,800 yen*The diaphragm has been replaced with a D8R2421, and the label on one side is missing, so it's cheap. Maintained! Representative of JBL's 1-inch driver units. The playback band is wide, so you can enjoy changing the network cross freely. The toughness, sound pressure, and full-bodied mid-high range sound are appealing, which is unbelievable for some input. There are small scratches and paint peeling (Oikawa Tetsuji)
Maintenance information: 2023.9.9 maintained (diaphragm installation adjustment (vibration plate is equipped with D8R2421)
Accessories: none
Main specifications: 1 inch driver, 500 to 20,000 Hz, 8 ohms, W145 x D97 mm, 5.1 kg/bottle
The price has been drastically reduced! 2024/5/5 sales price 218,000 yen A special edition model commemorating the 70th anniversary of JBL's founding. The latest version that has been refined over the traditional 4312 series. A 12-inch diameter woofer unit equipped with the advanced 4429 is used. It is an all-round speaker with a sense of energy and good range extension. The exterior is dull. Serial 3072/3073 (Yonejima Satoshi)
Maintenance information: 2024.5.5 sweep test is good
Accessories: saran net
Main specifications: 3-way bass reflex type 300mm woofer 125mm mid-range 25mm tweeter impedance 6Ω output sound pressure level 90dB frequency characteristics 44Hz to 40kHz W362 x H597 x D298 mm 25.2 kg
The disposal price has been reduced! (Member prices are not applicable) 2024/5/16 sales price 99,800 yen Maintained! A speaker that allows you to enjoy the powerful sound of JBL. A vertical twin that uses bi-radial horns for the tweeter and is developed with an upper and lower 20cm woofer. Sound pressure, which is characteristic of horns, is uniformly distributed within the area, and you can experience a wide service area. The exterior has been beautifully finished due to maintenance. Serial 5340-015070 5340-015071 (Asaine Tomoho)
Maintenance information: 2024.5.16 Maintained (exterior cleaning/touch-up saran net cleaning/frame repair/paint tweeter maintenance (magnetic fluid removal/cleaning/center adjustment in the magnetic circuit gap, left and right sound pressure difference adjustment, internal urethane replacement) woofer maintenance (edge replacement, gasket preparation and installation) unit detachment)
Accessories: saran net
Main specifications: output sound pressure level 92 dB frequency characteristics 35 Hz to 20 kHz W318 x H965 x D413 mm weight 34 kg
The price has been drastically reduced! 2024/5/25 sales price 99,800 yen Maintained! Professional A version (8 ohm specification) of the LE15. It is a woofer that has good response and allows you to enjoy a dry, tense sound. There is only one unit developed for monitors, and it is a unit that can handle large inputs. (YONEJIMA Satoshi)
Maintenance information: 2024.5.25 Maintained (edge replacement, operation check)
Accessories: No accessories
Main specifications: 38cm cone woofer Alnico 8Ω (measured DC value 7.0Ω/6.9Ω) 150W crossover 800Hz baffle opening diameter 355mm screw pitch (diagonal) 370 mm
Maintained in October 2022! A network with a crossover frequency of 7 kHz. Ideal for MID/HIGH 3-WAY systems using the 2440. On the exterior, paint is bald and oxidized (Yonejima Satoshi)
Maintenance Information: 2022.10.7 Maintained (Terminal rust removal, acid cleaning, insulation bushing & mounting screw replacement. ATT replacement 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.)
Accessories: no accessories
Main specifications: crossover frequency 7 kHz allowable input (continuous program) 50 W impedance bass range: 12 to 16 ohms treble range: 12 to 16 ohms treble attenuation/variable volume mounting hole W140 x 108 mm 0.7 kg