stx835 - jbl professional · stx835 dual 15" slot-loaded three-way speaker key features: ......
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STX835Dual 15" Slot-Loaded Three-Way Speaker
Key Features:� Premium passive loudspeaker
system� Very high power handling� Two 380 mm (15 in) Vented Gap
Cooled™ low-frequency drivers, inslot-loaded LF configuration
� CMCD™ Cone MidrangeCompression Driver™ provides lowmidrange distortion, increasedsensitivity, extended bandwidth andimproved phase coherence.
� 60° x 40° coverage.� Bi-amplified or full-range passive
operation.� Twelve M10 suspension points
Applications� Reinforcement of vocal and
instrumental music requiring lowfrequency extension
� Dance music playback
The STX835 combines theperformance of a subwoofer-equippedsystem with single-enclosure ease ofuse. The dual slot-loaded 2226H 360mm (15 in) patented Vented GapCooled™ woofers deliver impressivelow-frequency extension without a sub.The mid-range is covered by JBL’spatented CMCD™ Cone MidrangeCompression Driver™ technologyusing a 2169H 203 mm (8 in) driver.The CMCD design provides very lowmidrange distortion, increasedsensitivity, extended bandwidth andimproved phase coherence. The multi-band, Progressive Transition waveguideassembly also hosts a 75 mm (3 in)voice coil 2432H compression driver.
For applications requiringsuspension, the enclosure is fitted withtwelve M10 suspension points.
The enclosure is constructed of topquality birch/poplar laminate plywoodand coated in JBL’s rugged DuraFlex™finish. The attractive CNC-machined,14-gauge steel grille wraps around thesides of the enclosure so there are noprotruding lips on the front of the boxto create acoustical interference. Thegrilles are internally lined withacoustically transparent foam to provideadditional driver protection and give avery professional appearance.
Specifications:System Type: Dual 15", three-way, slot-loaded LF
Frequency Range (-10 dB): 32 Hz - 20 kHzFrequency Response (±3 dB): 43 Hz - 20 kHz
Coverage Pattern: 60° x 40° nominalCrossover Modes: Bi-amp / passive, externally switchable
Crossover Frequencies: 2 kHz / 250 HzPower Rating Passive: 1600 W / 3200W / 6400 W
(Continuous1/ Program/Peak): Bi-amp LF: 1600 W / 3200W / 6400 WBi-amp MF/HF: 350W / 700W / 1400W
Maximum SPL: 134 dB SPL peakSystem Sensitivity (1w @ 1m): 96 dB SPL (passive mode)
Mid / High Sensitivity (1w @ 1m): 108 dB SPL (bi-amp mode)LF Driver: 2 x JBL 2226H 380 mm (15 in) Vented Gap Cooled™
wooferMF Driver: 1 x JBL CMCD-82H Cone Midrange Compression
Driver with integral 2169H 200 mm (8 in) DifferentialDrive® driver
HF Driver: 1 x JBL 2432H 75 mm (3 in) voice coil, neodymiumcompression driver
Nominal Impedance: Passive: 4 ohmsBi-amp LF: 4 ohmsBi-amp HF: 8 ohms
Active Tunings: Designed for Crown amplifiers and dbx DriveRack.Settings available at www.jblpro.com
Enclosure: Trapezoidal, 18 mm, 13-ply birch/poplar laminateplywood
Suspension / Mounting: 12 x suspension points, M10.Transport: 2 side handles
Finish: Black DuraFlex™ finishGrille: Powder coated, black, 14-gauge perforated steel with
transparent charcoal foam backing.Input Connectors: Neutrik® Speakon® NL-4 (x2)
Dimensions (H x W x D): 1066 x 568 x 573 mm(42.0 x 22.4 x 22.6 in)
Net Weight: 57.1 kg (126 lbs.)Optional Accessories: 229-00009-01: 3x 10 mm forged eyebolts kit
For covers, go to www.jbl.com
1IEC filtered noise with 6 dB crest factor, 2 hours duration2Calculated based on power rating and sensitivity
JBL continually engages in research related to product improvement. Some materials, production methods and designrefinements are introduced into existing products without notice as a routine expression of that philosophy. For thisreason, any current JBL product may differ in some respect from its published description, but will always equal orexceed the original design specifications unless otherwise stated.
Professional Series
81019_JBL_STX835_80240_JBL_STX835 1/21/13 8:07 AM Page 1
� STX835 Dual 15" Slot-Loaded Three-Way Speaker
90% Black
Serial No.
STX835
BI-AMP
±1 LF: 4
±2 MHF: 8
ΩΩ
FULL RANGE
±1 IN: 4
±2 N/C
Ω
STX800
IN / THRU
Remove input plate to change bi-amp / passive mode
Equipped with Differential Drive®
Transducer
Technology U.S. PATENTS: 5,042,072, 5,748,760,
6,847,726 and D483,744.
JBL PROFESSIONALNorthridge, CA USA
N108
Designed in the USAMade in Mexico
Block Diagram
1066.142.0
1074.342.3
574.722.6
568.322.4
393.915.5
30°
43.41.7
460.418.1
966.038.0
243.29.6
539.321.2
201.57.9
126.55.0
713.328.1
Dimensions20 100 1000 10000 20000
Frequency (Hz)
10
100
360
-6 d
B Be
amw
idth
(deg
rees
)
Horizontal
Vertical
Beamwidth
20 100 1000 10000 20000Frequency (Hz)
70
80
90
100
110 316
100
31.6
10
3.16
SPL
(dB)
Ohm
s
2� half space
4� free field
Frequency Response and Impedance
20 100 1000 10000 20000Frequency (Hz)
0
10
20
1
10
100
Dire
ctiv
ity In
dex
(DI),
dB
Dire
ctiv
ity F
acto
r (Q
)
Directivity Index, Q
Measurements obtained in full passive crossover mode with no signalprocessing. Graphs are from unaltered measured data.
+
-
+
-
+
-
+
-
HIGHFREQ
HIGHFREQ
LOWFREQ
x2
MIDFREQ
MIDFREQ
+
-
+
-
1+1+1-1-
2-2-2+2+
1+1+1-1-
2-2-2+2+
1+1+1-1-
2-2-2+2+
1+1+1-1-
2-2-2+2+
NL4IN / THRU
NL4IN / THRU
NL4IN / THRU
NL4IN / THRU
HPF
HPF
BPF
LPF
LPF
PASSIVEMODE
BI-AMPMODE
LOWFREQ
x2
JBL PROFESSIONALNorthridge, CA USAMade in USA
Serial No.
SRX738
BI-AMP
1 LF: 8
2 HF: 8
ΩΩ
FULL RANGE
1 IN: 8
2 N/C
Ω
SRX700
IN / THRU
Equipped with Differential DriveÆ
Transducer Technology U.S. PATENT 5,748,760
Remove input plate to change bi-amp / passive mode
SS STX835CRP 01/13 A
JBL Professional8500 Balboa Boulevard, P.O. Box 2200Northridge, California 91329 U.S.A.© Copyright 2013 JBL Professionalwww.jblpro.com
81019_JBL_STX835_80240_JBL_STX835 1/21/13 8:07 AM Page 2
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