JBL 4309
Designed and engineered in JBL’s world-famous acoustic engineering facility in Northridge, California, the 4309 Studio Monitor is a showcase of patented JBL acoustics technologies. This bookshelf loudspeaker features a 2-way design with patented High-Definition Imaging (HDI™) horn technology, the patented 2410H-2 1-inch (25mm) compression driver, and a 6.5-inch (165mm) cast-frame, Pure-pulp cone woofer for powerful dynamics and incredibly accurate sound reproduction.
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Features
Patented 2410H-2 1" (25mm) compression driver with High Definition Imaging ™ geometry horn.
6.5-inch (165mm) pure-pulp cone woofer in bass-reflex design with dual front-firing tuned ports.
Choice of Satin Walnut or Black Walnut furniture-grade satin wood veneers.
Ultra High-frequency level attenuator.
Advanced crossover network.
Dual sets of gold-plated binding posts with shorting straps.
Specs & Downloads
Item# JBL4309BLK
Product Description
JBL 4309
Designed and engineered in JBL’s world-famous acoustic engineering facility in Northridge, California, the 4309 Studio Monitor is a showcase of patented JBL acoustics technologies. This bookshelf loudspeaker features a 2-way design with patented High-Definition Imaging (HDI™) horn technology, the patented 2410H-2 1-inch (25mm) compression driver, and a 6.5-inch (165mm) cast-frame, Pure-pulp cone woofer for powerful dynamics and incredibly accurate sound reproduction.
General Specifications
Type
2-way bookshelf loudspeaker
Low Frequency Driver
6.5" (165mm) Pure Pulp cone woofer
High Frequency Driver
2410H-2 1-inch (25mm) annular ring, Teonex® diaphragm compression driver with advanced HDI™ geometry horn
Recommended Amplifier Power
25 - 150 WRMS
Impedance
4 Ohm
Loudspeaker Sensitivity
87 dB/2.83V/1m
Frequency Response
42 Hz - 30 kHz (-6 dB)
Coverage Angle, -6 dB
100 Degrees Hor. x 80 Degrees Ver., from 2kHz to 17kHz
Crossover Frequency
1.6 kHz
Enclosure Type
H-braced front-ported bookshelf
Grille Feature
Monitor style to match horn mating features, supplied in dark blue (with walnut cabinet) and black (with black cabinet)
Dimensions with grille
16.5” H x 10.25” W x 9” D (419 mm H x 260 mm W x 227 mm D)
Controls
UHF tone control
Input Type
Dual sets of gold-plated binding posts with shorting straps
Product Weight (Each)
24.2 lbs. (10.98 kg)
Shipping Weight
56.2 lbs. (25.5 kg)
Shipping Units of Measure
Pair
Warranty
5 Years
Recommended stand height
24” (609 mm)
Documents & Downloads
The latest owner's manuals, quick start guides, and documents.
Support
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