JBL JRX125 Руководство по эксплуатации онлайн
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JBL JRX125 Руководство по эксплуатации онлайн

JBL JRX125 Руководство по эксплуатации онлайн
JRX125
Key Features:
䉴
Dual JBL low frequency drivers
with a 64 mm (2½ in) diameter
edgewound ribbon 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
Ferro-fluid cooled compression
driver with titanium diaphragm
improves high frequency
performance as well as system
reliability.
䉴
The advanced network topology
crossover design shapes frequency
response and delivers coherent
summation in the crossover region.
䉴
A “Quasi 3-Way” design offers the
extra bass for which a dual fifteen
system is designed, but without
sacrificing performance in the
critical mid-range. The upper
woofer produces mid-frequencies
and bass, while the lower woofer
concentrates on bass only. The
reduction in mid-range phase
cancellation greatly improves mid-
range sound quality and coverage.
䉴
High-voltage capacitors and
inductors with massive cores and
heavy gauge wire enable the
crossover network to handle high
power without saturating.
䉴
Progressive Transition™ high-
frequency waveguide provides
superior coverage control, reduced
distortion, and smoother frequency
response.
䉴
The rugged, acoustically superior
enclosure is constructed from
19 mm (¾ in) MDF (Medium
Density Fiberboard) using
advanced adhesives and mechani-
cal fastener technology for extreme
durability and improved low-fre-
quency performance.
䉴
SonicGuard™ protects the high-
frequency driver from excess
power without interrupting the
performance.
䉴
Non-resonant, all-steel handles are
used.
䉴
Attractive 18-gauge perforated,
steel grille protects components
from damage.
The JRX125 is a portable, dual fifteen-inch, two-way speaker system
designed specifically for applications in live music performance and music
playback. The dual fifteen configuration is especially useful for applications
in which additional low-frequency power and extension is needed but
adding a subwoofer to the system is not practical.
Specifications:
System Type: Dual 15" 2-way, sound reinforcement speaker
Frequency Range (-10 dB):
2
35 Hz - 16 kHz
Frequency Response (±3 dB):
2
45 Hz - 12 kHz
Sensitivity (1w/1m): 100 dB SPL
Nominal Impedance: 4 ⍀
Power Capacity:
1
500 watts
Peak Power Capacity:
1
2000 watts
Recommended Amplifier
Power: 500-1000 watts @ 4 ⍀
Maximum SPL: 133 dB
Nominal Dispersion: 90° x 50°
Crossover Frequency: 2 kHz
Dimensions (H x W x D):
3
1092 mm x 464 mm x 426 mm
(43 in x 18.3 in x 16.8 in)
Weight: 42.6 kg (94 lb)
Shipping Weight: 46.7 kg (103 lb)
High Frequency Driver: JBL 2412, 1" exit compression driver mounted on Progressive
Transition™ Waveguide
Low Frequency Driver: JBL M115-8A x 2
Input Connectors: Neutrik
®
Speakon
®
NL-4 (x1); ¼" TS phone jack (x1); parallel
Enclosure Construction: 19 mm (¾ in) MDF (Medium Density Fiberboard); with glued
and mechanically fastened joint detail; covered in black
carpet.
Grille: 18-gauge, powder-coated steel
Mounting & Suspension: None
1.
“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.
2.
“Frequency Range” and “Frequency Response” are based on half-space conditions.
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 rea-
son, 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.
Dual 15 Inch
Two-Way
Speaker
74665_JBL_JRX125 4/5/07 9:25 AM Page 1

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