JBL 4435

1 9 8 1 1981
1 9 9 6 1996

No need to introduce the 4435 - one of the most recognized "shapes" of the audio world.

Also one of the most revered sound of the professional world.

Pity the trend since a few years isn't toward the equivalents of a 4425 but the usual badly setup self-powered Genelec.

It seems the more the recording formats evolve and get better (DSD & SACD), the more the vast majority of the recording studios get worse intrinsic sound qualities and monitoring systems...



All about the history behind this most successful studio monitors here.

JBL 4435, image 1 JBL 4435, image 2 JBL 4435, image 3
JBL 4435 specifications
Title Value
Small signal, response & directivity Small signal, response & directivity
Frequency response : 35Hz...16Khz (± 3dB)
Sensitivity : 96dB (1W @ 1m)
Efficiency : 2,6% (half-space reference)
1,25Khz...16Khz horizontal dispersion : 100° (+10° / -30°)
1,25Khz...16Khz vertical dispersion : 100° (+0° / -30°)
800Hz...16Khz directivity factor (Q) : 8 (+4 / -2)
800Hz...16Khz directivity index (DI) : 9dB (+2 / -1)
300Hz...1,6Khz group delay : 500µs (± 100µs)
2,5Khz...20Khz group delay : 0µs (0 / + 50µs)
Mid control : -inf...+4dB @ 2Khz
High control : -inf...+0dB @ 12Khz
Nominal impedance : 8 Ohm
Minimum impedance : > 4 Ohm
Large signal, input & output characteristics Large signal, input & output characteristics
Single amp. max. power input : 375W
Single amp. continuous sine-wave : see Fig. 11
Single amp. short-term peak 2kW (< 10ms)
Biamplification continuous sine-wave : see Fig. 11
Max. SPL continuous music : 122dB
Max. SPL continuous sine-wave : see Fig. 12
Recommended bi-amp. power (low) : 400W
Recommended bi-amp. power (high) : 150W
Power linearity (1W...100W continuous) : < 1dB compression of SPL output
Distortion Distortion
100dB SPL / on-axis / 1m / 2,5W input 100dB SPL / on-axis / 1m / 2,5W input
K2 40Hz...100Hz : < 0,5%
K2 100Hz...1Khz : < 0,25%
K2 1Khz...8Khz : < 2%
K3 low : < 0,15%
K3 mid : < 0,6%
K3 high : < 0,6%
110dB SPL / on-axis / 1m / 25W input 110dB SPL / on-axis / 1m / 25W input
K2 low : < 0,75%
K2 mid : < 0,3%
K2 high : < 6%
K3 low : < 0,25%
K3 mid : < 1%
K3 high : < 1%
General General
Crossover frequency : 1Khz (2nd low driver active below 100Hz)
Driver complement : 2x 2234H low frequency
1x 2425H comprsession driver
1x 2344 Bi-radial horn
Dimensions : 90,8 x 96,5 x 43,5cm
90,8 x 96,5 x 51,5cm (with horn)
Enclosure volume : 0,28m3 (divided into two chambers)
Enclosure Helmhotz resonance (fB) : 26Hz
Finish : oiled walnut
Grille : dark blue stretched fabric
Shipping weight : 114kg
List price : 550,000¥ (1982)
JBL 4435 : 0 topic
(last updated topic shows up first)
page online since : february 2008
page updated : april 2010
page type : LGT / KNB
page weight : 140.67 Kb / 0 b

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