JBL SCS12 User Manual
SCS 12
Two-Way Spatially Cued Cinema Ceiling Surround Loudspeaker with Coaxial 12” LF
SPECSHEET
Key Features:
• Easy mounting system and ideal coverage allows for the SCS 12 to be the perfect
loudspeaker for ceiling surround applications in immersive systems
• 400-watt power handling (2-hour AES, average continuous pink noise) and high
sensitivity provide high SPL capability
• Consistent 100° x 100° broadband pattern coverage
• Extraordinarily clear cinema surround with extended frequency response for special
effects
• Components:
- 300 mm (12 in) woofer with Kevlar-reinforced cone and 75 mm (3 in) voice coil
- 25 mm (1 in) exit compression driver with unique patented design and high-
temperature polymer diaphragm
• 70 Hz – 20 kHz frequency response
• Coaxial 2-way design with high-power passive crossover network
• Overload protection
Description:
The SCS 12 Spatially Cued Cinema Surround is a full-range loudspeaker optimized for multi-channel surround formats and is designed for overhead or
standard wall installations.
The SCS 12 is comprised of a high-power coaxial 300 mm (12 in) low frequency driver and 25 mm (1 in) high frequency compression driver. The coaxial
design utilizes a unique tapered pole-piece design and transitions to the cone of the low frequency driver as a large diameter pattern control horn for
the high frequencies, both eliminating high-frequency beaming and extending pattern control to the lowest possible frequencies. The result is a coaxial
speaker with wide, extremely consistent 100° broadband coverage.
Component features include a Kevlar-reinforced low-frequency cone for reliability, well-damped surround edge for smooth frequency response, hightemperature 75 mm (3 in) voice coil and reduced distortion through saturated-gap magnet geometry. The high-frequency compression driver features a
unique patented design, high-temperature polymer diaphragm and fluid cooling for high output levels with low distortion.
The enclosure is constructed of thick ABS and fiberglass and is heavily braced to maximize low-frequency performance. A heavy-duty U-type mounting
bracket is included.
Specifications:
System:
Frequency Range (-10 dB)155 Hz – 20 kHz
Frequency Response (±3 dB)170 Hz – 20 kHz
Coverage Pattern
Input Power Handling
(AES 100-Hour Rating)
Input Power Handling
(AES 2-Hour Rating)
Half-Space Sensitivity 96 dB, 1 W @ 1m, ref 2.83 V
Calculated Maximum SPL
Crossover Network 1.8 kHz
Nominal Impedance 8 ohms
Minimum Impedance 5.7 ohms @ 160 Hz
2
3
3
100° x 100°
250 W (37.8 Vrms), pink/IEC
400 W (56.6 Vrms), pink/IEC
4
122 dB (peaks of 128 dB) @ 1m
HF Filter: 3rd order (18 dB/oct) high-pass
LF Filter: 2nd order (12 dB/oct) low-pass
Transducers:
Low Frequency Driver 1 x C322, 75 mm (3 in) voice coil
High Frequency Driver 1 x 2408H-1, 25 mm (1 in) diaphragm and voice coil
HF Driver Protection Minimum audibility SonicGuard™ HF overload
Note: specifications are subject to change without notice.
12/2018. © 2018 Harman International. www.jblpro.com
diameter, patented design, fluid-cooled
protection
Physical:
Enclosure Construction ABS and fiberglass, heavily braced
Attachment Options 2 x M10 points for included U-bracket
Grille Construction Corrosion-resistant, zinc-rich steel
Input Connection CE-compliant covered barrier strip terminals.
Dimensions (H x W x D) 402 x 402 x 445 mm (15.8 x 15.8 x 17.5 in)
Colors Black
Net Weight 14 kg (31 lb)
Shipping Weight 19.5 kg (43 lb)
Included Accessories Steel U-bracket
1
Measured in half-space.
2
Average 500 Hz to 10 kHz.
3
IEC standard, measured using full-bandwidth pink noise with 6 dB crest factor.
4
Calculated based on power rating and measured half-space sensitivity.
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.
M6 secondary safety attachment point on back panel
Barrier terminals accept up to 9 mm outside 4 mm
inside openlug (#6, #8 or #10) plus bare wire up to
2.5 mm2 (12 AWG) wire or spade lugs.
Depth with included U-bracket: 542 mm (21.4 in)
With U-Bracket: 16.8 kg (37 lb)
SCS 12
ange = ±90°
M10 Bolt
Lock Washer
Attaching the U-Bracket to the Cabinet
Beamwidth vs. Frequency
Off-Axis Frequency Response
Impedance
Frequency response in half-space (2 π, solid line) and
full-space (4
SPL (dB)
Frequency (Hz)
Impedance (Ohms)
Attenuation (dB)
10 deg
20 deg
30 deg
40 deg
Two-Way Spatially Cued Cinema Ceiling Surround Loudspeaker with Coaxial 12” LF
SPECSHEET
Dimensions:
Dimensions in mm (inches)
102 [4.0]
542
[21.4]
445
[17.5]
402 [15.8]
191
[7.5]
[15.8]
402
12.7 [R.50]
10.2 [R.40]
126 [5.0]
31 [1.2]
[1.21]
28
25
[1.0]
[2.5]
24
[0.9]
64
Bracket Rotational R
28 [1.1]
61 [2.4]
96 [3.8]
45º
12.7 [R.50]
3.8
[R.15]
Graphs:
105
95
85
75
65
π, dotted line)
Conical
Frequency (Hz)
Frequency (Hz)
0000200001000100102
0001
0000200001
M6 secondary safety attachment point
Attaching the U-Bracket to the Cabinet:
Friction Gasket
Flat Washer
389
90º
78
[3.1]
352
[13.9]
252
[9.9]
[14.5]
[15.3]
367
10
0
-10
-20
-30
Frequency (Hz)
100
10
1
0 deg
0000200001000100102
0000200001000100102
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