JBL 2352, 2353, 2354 Brochure

2352, 2353, 2354

Mid-Format Optimized
Aperture Bi-Radial

®

Horn Family

Key Features

c Optimized ApertureTMhorn design

provides very low distortion at high
sound pressure levels

c Mid-format horn family provides

uniform on and off axis frequency
response from 630 Hz to 20 kHz

c Controlled horizontal dispersion in

90° x 50°, 60° x 40°, and 40° x 30°
coverage patterns

c 38 mm (1.5 in) throat entry

JBL models 2352, 2353, and 2354 are
medium format elements of JBL’s
preeminent family of Bi-Radial®horns,
providing uniform coverage control
over the bandwidth of 630 Hz to
beyond 18 kHz, allowing precise
control of critical vocal range energy.
These medium format horns provide
extremely low distortion at typical
peak sound pressure levels of 139 dB­SPL at 1m.

Optimized Aperture

The clear and uncolored sound
character of the 2350 Series horns is
accomplished by coupling the
compression driver phase plug to a
unique horn throat geometry, resulting
in the elusive combination of
extremely low throat distortion with
high air movement capability. These
horn designs were verified through the
use of advanced technology, including
finite element analysis, boundary
element analysis and extensive
computer modeling via proprietary JBL
horn design software.

Professional Series

Components and Accessories

The 2350 Series of horns were designed to be used exclusively with either
the 2447 or 2451 compression driver. The 100 mm (4 in) diaphragm for this
driver utilizes a three-dimensional diamond pattern surround and a pure
titanium diaphragm for rigidity and freedom from breakup modes. With its
150 watt continuous program rating above 1 kHz and optimized phase plug
design for low distortion, smooth response and wide bandwidth, it matches
with the 2350 Series horns for high sound pressure level applications.

The 2510 mounting bracket is recommended for suspension of the
horn/driver combination. The 2510 installs between the horn flange and
driver providing multiple pickup points.

c 2352, 2353, 2354 Large Format Optimized Aperture Bi-Radial®Horn Family

JBL 2352 Horn

Frequency response is measured on-axis to the JBL
2352/2447H at a distance referenced to 1 meter at
1-watt (2.83 V rms) input in a reflection free
environment.

Beamwidth vs. Frequency Horizontal Off-Axis Frequency Response

Directivity vs. Frequency Vertical Off-Axis Frequency Response

Horizontal 1/3 Octave Polars Vertical 1/3 Octave Polars

c 2352, 2353, 2354 Large Format Optimized Aperture Bi-Radial®Horn Family

JBL 2353 Horn

Frequency response is measured on-axis to the JBL
2353/2447H at a distance referenced to 1 meter at
1-watt (2.83 V rms) input in a reflection free
environment.

Beamwidth vs. Frequency Horizontal Off-Axis Frequency Response

Directivity vs. Frequency Vertical Off-Axis Frequency Response

Horizontal 1/3 Octave Polars Vertical 1/3 Octave Polars

c 2352, 2353, 2354 Large Format Optimized Aperture Bi-Radial®Horn Family

JBL 2354 Horn

Frequency response is measured on-axis to the JBL
2354/2447H at a distance referenced to 1 meter at
1-watt (2.83 V rms) input in a reflection free
environment.

Beamwidth vs. Frequency Horizontal Off-Axis Frequency Response

Directivity vs. Frequency Vertical Off-Axis Frequency Response

Horizontal 1/3 Octave Polars Vertical 1/3 Octave Polars

Specifications:

Horn Model: 2352 2353 2354

Horizontal Coverage Angle (-6 dB): 90° (+0°, -10°) 60° (+5°, -18°) 40° (+20°, -10°)

630 Hz to 20 kHz:

Vertical Coverage Angle (-6 dB): 50° (+40°, -20°) 40° (+25°, -0°) 30° (+30°, -5°)

630 Hz to 20 kHz:

Directivity Factor (DQ): 13 16 30

630 Hz to 20 kHz:

Directivity Index (DI): 11 12 15

630 Hz to 20 kHz:

Axial Pressure Sensitivity1: 112 dB 114 dB 115 dB

Minimum Recommended Crossover: 500 Hz @ 18 dB/octave min.

Usable Low Frequency Limit: 500 Hz

Calc. Max. Continuous SPL @ 1m2: 131 dB 133 dB 134 dB

Calc. Max. Peak SPL @ 1m2: 137 dB 139 dB 140 dB

Physical:

Construction: Fiberglass reinforced plastic
Horn Height: 457 mm (18.0 in) 457 mm (18.0 in) 457 mm (18.0 in)

Horn Width 559 mm (22.0 in) 559 mm (22.0 in) 559 mm (22.0 in)

Horn Length: 254 mm (10.0 in) 305 mm (12.0 in) 432 mm (17.0 in)

Net Weight: 2.2 kg (4.9 lbs) 3.6 kg (8.0 lbs) 4.0 kg (8.8 lbs)

1

Measured on axis in the far field with 1 watt (2.83 V RMS, 8 ohms) applied to a 2447H driver and referenced to 1 meter distance using the inverse square law. Listed sound pressure
represents an average from 630 Hz to 18 kHz.

2

Using 2447H driver.

JBL continually engages in research related to product improvement. New materials, production methods, and design refinements are introduced into existing products without
notice as a routine expression of that philosophy. For this reason, any current JBL product may differ in some respect from its published description, but will always equal or
exceed the original design specifications unless otherwise stated.

JBL Professional
8500 Balboa Boulevard, P.O. Box 2200
Northridge, California 91329 U.S.A.

A Harman International Company

SS 2352/53/54
CRP 10M
3/98

c 2352, 2353, 2354 Large Format Optimized Aperture Bi-Radial®Horn Family