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About the 4350B
The JBL 4350B is a four-way, five-speaker studio monitor designed for bi-amplification and professional studio use, particularly for monitoring recording sessions and final mixdowns. It features two 380 mm (15 in) low-frequency woofers, a 300 mm (12 in) midrange loudspeaker, a high-frequency compression driver with horn and acoustic lens, and an ultra-high frequency driver. The enclosure is rigidly constructed with separate acoustic chambers for the low-frequency and midrange drivers and allows mirror image mounting of the high-frequency components for optimal source localization. It delivers a smooth frequency response within ±3 dB from 30 Hz to 20 kHz, with controlled high-frequency dispersion and exceptional transient performance. The system supports bi-amplification with electronic crossovers at 250 Hz, 1.1 kHz, and 9 kHz. The enclosure is finished in oiled walnut with a dark blue grille or textured gray with black grille options. The monitor weighs approximately 118 kg (260 lb) and has dimensions of 1210 mm width, 889 mm height, and 508 mm depth. It is capable of high sound pressure levels, with 110 dB SPL pink noise output at 10 ft and a maximum input power of 200 watts below 250 Hz and 100 watts above 250 Hz. The JBL 4350B was manufactured in the USA from 1980 to 1984 and is considered a top-tier studio monitor for critical listening environments.
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