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4311BU.S.A

Manufacture:JBL
Original price: JPY 346,000
Price: JPY 198,182(pair)Sold Out
23-39601-12770-00
U.S.A 1979 made
Arrival: 2023-08-31 18:43:49
Both interior and exterior have been maintained! Walnut specification. The network capacitors remain original. The punchy bass and sharp, nuanced mid-range sound are indescribably attractive models. In contrast to modern JBL, the jazz you hear with its thick sound in the mid to low frequencies is fascinating. The exterior has been beautifully finished due to maintenance. Serial 94597 97508 (Hiroki Aso) Maintenance information: 2023.8.31 Maintained (exterior repair/polishing/oil finish, plate cleaning/adjustment painting, front and rear baffle coating, saran net, new creation, woofer maintenance (cone paper coating, edge damping agent coating), mid-maintenance (edge damping agent coating, gap correction, pair cap removal, center cap removal, magnetic circuit gap cleaning, bobbin deformation correction, center adjustment/cap replacement, frame paint, 1 rivet Misalignment correction) Tweeter maintenance (edge damping agent applied, pair center cap removed, magnetic circuit gap cleaning/center cap replacement) unit detachment) internal connection terminal (FASTON) brand new replacement ATT (SW type) contact cleaning, airtight tape attached, INT/EXT switching, SW contact cleaning, capacitor replacement ※Some pre-replacement capacitors are difficult to remove, so measure and check the frequency characteristics left inside Perform (~ approx. 42 kHz) and continue to use the original capacitor for good results, confirm the input/output waveform and balance, check the audio output Accessories: Saran net Main specifications: 3 way 3 speaker, front bass reflex type, sound pressure level, 91 dB, impedance 8 ohms, crossover frequency, 1.5 kHz/6 kHz, playback frequency band, 45 to 15,000 Hz, dimensions W362 x H597 x D298 mm, 20 kg/1
　　
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