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4430U.S.A

Manufacture:JBL
Original price: JPY 940,000
Price: JPY 350,000(pair)Sold Out
22-33183-27695-00
U.S.A 1981 made
Shop: Osu shop
Arrival: 2022-01-24 19:36:05
The disposal price was lowered. Member discounts are not applicable. 2022/1/24 sales price 450,000 yen inside/outside maintenance has been performed and refreshed! A JBL professional series speaker that combines the mid-high range of the bi-radial horn, which is characterized by its wide directional characteristics, and a 38cm woofer with an attractive low-frequency reproduction. You can enjoy a variety of music, mainly jazz-centered, in sound quality with outstanding punching power. The exterior is also neatly finished by maintenance (Oikawa Tetsuji) Maintenance Information: 2021.11.17 Maintained (Exterior repair, polishing, oil finish. Painted front and rear baffle/hakama/horn Saran net replacement and frame repair. Woofer one-side adjustment (center misalignment, resonance part correction, recone/magnetization in other place on 09.3.2). Driver maintenance (magnetic circuit rust removal, gap cleaning, center adjustment, sound absorbing material replacement, terminal contact cleaning, diaphragm replacement at 09.3.2 elsewhere). Network maintenance (connectors used to connect terminals and coils are abolished. Rust removal and re-tightening of terminals and mounting screws The L-pad type ATT has been replaced, so the contact point is cleaned. Since the POT type ATT has been replaced with the L-Pad and there was a problem with the characteristics, it was fixed by changing the wiring and changing the rotation direction of the L-Pad. INT/EXT switching SW contact cleaning, cleaning. A frequency characteristic measurement check (~ 42 kHz) is performed, and the original capacitor is continuously used for good results. (Input/output waveform and balance check, sound output check). (Unit detachment) Accessories: none Main specifications: 2-way bi radial horn 2235H/2421A 93dB W556 × H908 × D480mm 79.5kg/1 bottle
　　
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