Audio Database

4333B
Commentary

This 3-way speaker system is the successor to the 4333A.
The 4333B is a 3-way configuration by adding a tweeter 2405 to the 4331B.

It is equipped with a 38 cm cone type woofer 2231H in the low range.
The 2231H uses newly developed cone paper with optimum mass and stiffness, and combined with edgewise rolled copper ribbon voice coil and strong magnetic circuit, excellent low sound reproduction is possible even at large input.

The middle area is equipped with a horn type unit that combines horn 2312, lens 2308 and driver unit 2420.
The directivity is improved by combining an acoustic lens.

The network section can be driven by the built-in network or by switching the rear switch for 2-channel multi-amplifier drive at 800 Hz.

The enclosure uses a bass reflex system.

It can be suspended by the iron reinforcing metal fittings.

There are two variations on the enclosure finish : the 4333B has a gray finish and the 4333 BWX has a walnut finish.

Model Rating
Method 3-Way, 3-Speaker, Bass reflex system, Bookshelf Type
Unit Low Band : 38 cm Cone Type (2231H)
For Middle Range : Horn Type (2308 + 2312 + 2420)
For High Pass : Horn Type (2405)
Playback frequency band 35 Hz to 20 kHz ± 3 dB
Crossover frequency 800 Hz, 8.5 kHz
Directional 60 ゜ x30 ゜ (16 khz)
Impedance 8 Ω
Output sound pressure level 93dB/W/m
Allowable input 75W (network)
75W (800 Hz or Less)
30W (800 Hz or more)
Enclosure volume 156L
External dimensions Width 619x Height 778x Depth 497 mm
Weight 60kg