JBL

4311B

Speaker

Main Details
Maker JBL Brand
Function
Additional Model ID 4311B Control Monitor
Form Factor Bookshelf / Stand Mounted
Signal Path Passive Hardware
Made In United States
Date Produced 1979-19??
Dimensions 23.5"x14.5"x11.75" (HxWxD)
Weight 46lbs
Frequency Response 45Hz-15kHz ±3dB
Additional Specifications
Treble 1.4" Paper Cone Part #LE25-2
Midrange 5" Paper Cone Part #LE5-10
Woofer 12" Paper Cone Part #2213H
Sensitivity (500Hz-2.5kHz) 91dB/2.83V/m
Sensitivity 42dB/1mW/30ft
Impedance (Nominal) 8Ω
Crossover Frequencies 1.5kHz, 6kHz Network #3112B
High Frequency Dispersion 90°
Distortion (Half Power, 95dB/10ft, Single Frequency, 100Hz-15kHz) <1% Third Harmonic
Power Handling (RMS) 40W
Power Handling (Continuous Program) 75W
Enclosure Type Bass Reflex
Enclosure Volume 40l
Finish Textured Gray, Walnut
MSRP (1979) $365/ea
Connections
Input Spring Terminal Socket (Female)
Controls
Mid Frequency Level Rotary Pot
High Frequency Level Rotary Pot

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