Instrukcja obsługi JBL JRX212

JBL głośnik JRX212

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JRX212
Key Features:
䉴
JBL 12 in low frequency driver
with a 64 mm (2.5 in) diameter
edgewound voice coil which
provides more cross-sectional wire
area in the voice coil gap than
round wire designs, for greater
efficiency and power handling.
䉴
JBL 2414H-C 25 mm (1 in) polymer
diaphragm compression driver
improves high frequency
performance as well as system
realibility.
䉴
The advanced network topology
crossover design shapes frequency
response and delivers “coherent
summation” in the crossover
region.
䉴
High-voltage capacitors and
inductor s with massive cores and
heavy gauge wire enable the
crossover network to handle high
power without saturating.
䉴
Progressive Transition™ high
frequenc y waveguide provides
superior coverage control, reduced
distortion, and smoother frequency
response.
䉴
The rugged, acoustically superior
enclosure is constructed from
19 mm (.75 in) MDF (Medium
Density Fiberboard) using
advanced adhesives and
mechanica l fastener technology for
extreme durability and improved
low-frequency performanc e.
䉴
SonicGuard™ protects the high-
frequenc y driver from excess
power without interrupting the
performanc e.
䉴
Non-resonant, all-steel handles are
used.
䉴
Attractive 18-gauge hexagon
perforate d, steel grille protects
component s from damage.
䉴
Dual-angle pole-mount socket
allows the speaker to tilt 10° for
more uniform audience coverage.
The JRX212 is a portable, twelve-inch, two-way speaker system designed
specifically for live performance stage monitoring applications. With enough
sensitivity and power handling to cut through the performance volume on
stage, the JRX212 has a smooth response so it can deliver maximum gain
before feedback. It also includes JBL’s dual-angle pole socket making it
equally at home as a front-of-house speaker.
Specifications:
System Type: 12" 2-way, stage monitor
4␲Frequency Range (-10 dB)1 : 75 Hz – 20 kHz
2␲Frequency Range (-10 dB)1 : 60 Hz – 20 kHz
4␲Frequency Response (±3 dB) 1 : 110 Hz – 18 kHz
2␲Frequency Response (±3 dB) 1 : 80 Hz – 18 kHz
Sensitivity (1w/1m): 98 dB
Nominal Impedance: 8 ⍀
Power Capacity2 : 250 watts
Peak Power Capacity2 : 1000 watts
Recommended Amplifier 250-500 watts @ 8 ⍀
Power:
Maximum SPL: 128 dB
Nominal Dispersion: 90° x 50°
Crossover Frequency: 2.1 kHz
Dimensions (H x W x D):3584 mm x 399 mm x 325 mm
(23 in x 15.7 in x 12.8 in)
Weight: 19.5 kg (43 lb)
Shipping Weight: 22.0 kg (49 lb)
High Frequency Driver: JBL 2414H-C 1" exit compression driver mounted on
Progressive Transition™ Waveguide
Low Frequency Driver: JBL M112-8
Input Connectors: Neutrik®Speakon®NL-4 (x1); " TS phone jack (x1); parallel¼
Enclosure Construction: 19 mm (¾in) MDF (Medium Density Fiberboard); with
glued and mechanically fastened joint detail; covered in
black carpet .
Grille: 18-gauge, powder-coated steel
Mounting & Suspension: 36 mm, dual-angle pole-mount socket
1. “Frequency Range” and “Frequency Response” are based on half-space response.
2. “Power Capacity” and “Peak Power Capacity” ratings are based on the average and peak power capacity of product
samples subjected to a 100 hour power test using random noise with a 6 dB crest factor, in accordance with IEC
standards.
3. Height dimension includes feet.
JBL continually engages in research related to product improvement. Some 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.
12 Inch Two-Way
Stage Monitor
Loudspeaker System
䉴JRX212 12 Inch Two-Way Stage Monitor Loudspeaker System
20 100 1000 10000 20000
Frequency (Hz)
0
10
20
1
10
100
Directivity Index (DI), dB
Directivity Factor (Q)
20 100 1000 10000 20000
Frequency (Hz)
10
100
360
-6 dB Beamwidth (degrees)
Horizontal
Vertical
330
(13.0)
165
(6.5)
399
(15.7)
254
(10.0)
577
(22.7)
584
(23.0)
325
(12.8)
60°
211
(8.3)
116
(4.6)
40
(1.6)
260
(10.2) 186
(7.3)
199
(7.9)
165
(6.5)
199
(7.9)
32
(1.3)
32
(1.3)
32
(1.3)
(53)
2.1
SSJRX212
CRP
06/13
Dimensions
Dimensions in mm (in)
JBL Professional
8500 Balboa Boulevard, P.O. Box 2200
Northridge, California 91329 U.S.A.
© Copyright 2013 JBL Professional
www.jblpro.com
20 100 1000 10000 20000
Frequency (Hz)
70
80
90
100
110
SPL (dB)

Specyfikacje produktu

Marka: JBL
Kategoria: głośnik
Model: JRX212

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