JBL 4332/4333
Released in 1974
4332 : ¥ 513,000 (1 unit, around 1975)
4332 wx : ¥ 535,000 (1 unit, around 1975)
4333 : ¥ 559,000 (1 unit, around 1975)
4333 wx : ¥ 581,000 (1 unit, around 1975)
Commentary
A 3-way speaker system with a high-frequency unit added to 4330/4331.
The 4332 uses a multi-amplifier system and the 4333 uses a network system.
A 38 cm cone type woofer 2231A with improved density and mass of cone paper is and mass of cone paper.
The mid-range is equipped with a horn type mid-range that combines driver 2420, exponential horn 2312 and acoustic lens 2308.
The center pole piece of Driver 2420 is coated with pure silver and operates as an impedance control ring to maintain smooth high-frequency characteristics.
In addition, the long shape of the horn suppresses the exposure at low frequencies and makes the connection with the woofer natural.
A horn type tweeter 2405 is installed in the high frequency range.
The directional characteristics are 90 ° horizontal and 30 ° vertical at 16 kHz.
The 4332 used in the multi-amplifier system requires a power amplifier, a divider 5231 or 5232 and a filter board 52 to 5123.
There were 2 kinds of variations, gray finish and walnut finish for each.
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Model Rating
| Method | 3-Way, 3-Speaker, Bass reflex system, Bookshelf Type | ||
| Units Used | For low band : 38 cm cone type (2231A) For Middle Range : Horn Type (2420 + 2312 + 2308) For High Pass : Horn Type (2405) |
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| Frequency characteristic | 35 Hz to 20 kHz ± 3 dB | ||
| Allowable input (Continuous Program) |
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| Impedance | 8 Ω | ||
| Sound pressure level (new JIS) | 93dB | ||
| Crossover frequency | 800 Hz, 8.5 kHz | ||
| Enclosure internal volume | 127liters | ||
| External dimensions | Width 600x Height 780x Depth 510 mm | ||
| Weight | 4332:45kg 4333:47kg |