71113_JBL_SF25
12/11/03
9:32 AM
Page 1
SF25
Dual 15 Inch
Two-Way
Speaker
Key Features:
䉴 Dual JBL low frequency drivers
with a 64 mm (2½ in) diameter
edgewound ribbon voice coil
which provides more crosssectional 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 midrange 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™ highfrequency 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 mechanical fastener technology for extreme
durability and improved low-frequency performance.
䉴 SonicGuard™ protects the highfrequency 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 SoundFactor SF25 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:
Frequency Range (-10 dB):2
Frequency Response (±3 dB):2
Sensitivity (1w/1m):
Nominal Impedance:
Power Capacity:1
Peak Power Capacity:1
Maximum SPL:
Nominal Dispersion:
Crossover Frequency:
Dimensions (H x W x D):3
Weight:
Shipping Weight:
High Frequency Driver:
Low Frequency Driver:
Input Connectors:
Enclosure Construction:
Grille:
Mounting & Suspension:
1.
2.
3.
Dual 15" 2-way, sound reinforcement speaker
35 Hz - 16 kHz
45 Hz - 12 kHz
100 dB SPL
4⍀
500 watts
2000 watts
133 dB
90° x 50°
2 kHz
1092 mm x 464 mm x 432 mm
(43 in x 18.3 in x 17 in)
42.6 kg (94 lb)
46.7 kg (103 lb)
JBL 2412, 1" exit compression driver mounted on Progressive
Transition™ Waveguide
JBL M115-8A x 2
Neutrik® Speakon® NL-4 (x1); ¼" TS phone jack (x1); parallel
19 mm (¾ in) MDF (Medium Density Fiberboard); with glued
and mechanically fastened joint detail; covered in black
carpet.
18-gauge, powder-coated steel
None
“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.
“Frequency Range” and “Frequency Response” are based on half-space conditions.
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.
71113_JBL_SF25
12/11/03
9:32 AM
Page 2
䉴 SF25 Dual 15 Inch Two-Way Speaker
+
HPF
TIP GRD
1+
1-
+
IN / OUT
(PARALLEL JACKS)
4 OHMS
LPF1
±1 FULL-RANGE
±2 N/C
-
MODEL SF25
JBL PROFESSIONAL
Northridge, CA USA
Made in USA
+
LPF2
-
Dimensions
350
(13.8)
29
(1.1)
A
7.5°
162
(6.4)
162
(6.4)
116
(4.6)
432
(17.0)
24
(0.9)
A
101
(4.0)
VIEW A
464
(18.3)
220
(8.7)
1080
(42.5)
97
(3.8)
646
(25.4)
1092
(43)
276
27
(10.9)
35
(1.4)
83
(3.3)
377
(14.8)
426
(16.8)
368
(14.5)
161
(6.3)
137
(5.4)
31
(1.2)
32
(1.3)
32
(1.3)
32
(1.3)
JBL Professional
8500 Balboa Boulevard, P.O. Box 2200
Northridge, California 91329 U.S.A.
A Harman International Company
© Copyright 2002 JBL Professional
Dimensions in mm (in)
SSSF25
339287-001
CRP ??M
12/03