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CS-SUB8 8” Surface-mount Subwoofer
General Description
The Cloud CS-SUB8 is an 8 inch passive subwoofer featuring
powerful bass response in a small package. Using a premium woofer
and rst order crossover network, the CS-SUB8 adds punch and low
end reinforcement to Cloud’s line of full range speakers. The 8.0 inch
woofer incorporates a large magnet structure, treated paper cone,
and long throw butyl rubber surround for lasting, low distortion
performance. The included 100 W transformer provides plenty of
power for background to foreground music applications.
The CS-SUB8 incorporates several features that make it a premium,
versatile subwoofer. The low prole cabinet is easy to hide in any
installation, but the architectural aesthetic makes it desirable to
show. The CS-SUB8 ships with rubber feet installed for oor or
shelf mounting, and includes a versatile surface mount bracket that
can securely mount the speaker in either the vertical or horizontal
orientation. It can also be own via the threaded inserts on the side
or bottom. The CS-SUB8 pairs well with the CS-S3 and CS-C3 to
make a complete, premium business music system.
Loudspeaker Dimensions
• Premium driver and electronics for exceptional sound quality
and intelligibility
• Integrated high power transformer
• Striking architectural aesthetic
• Versatile mounting using included rubber feet, or included
surface mount bracket.
• Optional ying using forged eye bolts and cables (sold separately)
Every Cloud product is exhaustively tested for electronic performance and sonic perfection in Shefeld, England.
(10.7in)
271.8mm
(8.24in)
209.3mm
(16.51in)
419.4mm
(9.9in)
251.5mm
(0.78in)
19.8mm
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Applications
Tap Settings
The CS-SUB8 was developed as a versatile mid-SPL bass
reinforcement speaker. It offers superior acoustic performance,
and premium design at an economic price point. It is ideally
suited for use in restaurants, retail stores, airports, churches,
board rooms, health care facilities, and hotels. The CS-SUB8
offers well matched bass reinforcement to any Cloud full range
speaker. The CS-SUB8 is a premium mid-SPL subwoofer that
offers high end performance and design at an affordable price
point. When paired with the CS-S3 or CS-C3, the CS-SUB8
makes a complete, premium business music system.
Graphs
Frequency Response
Ta p Tap Settings
100 V 70 V 25 V
1 4 ohm
2 X 100W 13W
3 100W 50W 7W
4 50W 25W 3W
5 25W 13W 1.5W
6 13W 6W 0.8W
Impedance
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Technical Specications
Description 8” passive surface or shelf mount subwoofer
Response (f3) 74 Hz -200 Hz
Response (f10) 58 Hz -500 Hz
Crossover frequency 500 Hz, 1st order (6 dB/octave), passive
Impedance 4 ohm
Sensitivity (2.83 V/1 m) 90 dB
Sensitivity (1 W/1 m) 87 dB
Power handling 100 W
Maximum SPL 107 dB
Transformer taps 100, 50, 25,13, 7 W
Tweeter n/a
Woofer 8 inch treated paper with rubber surround
Input 4 pin Euroblock
Included accessories Input cover plate (installed), male Euroblock, rubber feet,
Optional accessories M6 forged eyebolts for hanging
Available colours
Packaging 1 per box, cardboard inner packaging, single instruction sheet
Net weight/Gross weight 5.0 kg (11 lb) / 7.0 kg (15.43 lb)
Conformance UL1480 / 2043 planned, RoHS, CE approved
surface mount bracket
Black RAL9011, White RAL9003
Architect’s and Engineer’s Specication
The loudspeaker shall consist of one MDF and plywood enclosure containing one transducer, a frequency dividing network, a transformer, and
acoustic damping material. It shall incorporate eight M6 threaded inserts for mounting rubber feet, an included surface mount bracket system, or
forged eyebolts for ying. It shall include one powder coated steel grill afxed to the bafe.
The loudspeaker shall include one 203.2 mm (8.0 in) low-frequency transducer with a rst order frequency shaping crossover network installed
in a ported enclosure. The low frequency voice coil diameter shall be 25.4 mm (1.0 in). The low-frequency transducer shall have a treated paper
cone material with a butyl rubber surround.
The loudspeaker shall include a 100 W transformer with taps at 100 W, 50 W, 25 W, 13 W, and 7 W. Said taps shall be selected via an included tap
switch located on the rear of the speaker. The transformer shall accept 25 V, 70.7 V or 100 V. The tap switch shall also include a transformer bypass
position, allowing for direction connection to the 4 ohm low impedance circuit.
Nominal performance specications shall be as follows: The loudspeaker shall have a usable frequency range extending from
58 Hz - 500 Hz (-10 dB). The internal passive crossover shall be tuned to 500 Hz (6 dB/octave). The nominal impedance shall be 4 ohms, and the
maximum continuous RMS power handling shall be at least 100 W according to the EIA-426-B standard. Sensitivity measured at 2.83 V / 1 m shall
be 90 dB. The maximum output at 1 m shall be 107 dB.
Installation for the speaker shall be via the eight M6 threaded inserts. The speaker shall ship with four rubber feet installed in the threaded inserts.
The speaker shall also include a surface mount bracket system including two speaker brackets, four bracket mounting screws, one wall bracket, and
one locking screw to lock the speaker bracket onto the wall bracket. Hardware for mounting the wall bracket is not included. The M6 threaded
inserts are also suitable for ying using optional forged eyebolts and suitable cables (sold separately).
The external wiring shall be via 4-position 5.08 mm Euroblock connector, accepting up to 10 gauge wire. The maximum overall height (including
20 mm rubber feet) shall be no more than 271.5 mm (10.69 in), the maximum depth shall be no more than 209.3 mm (8.24 in), and the maximum
width shall be no more than 419.4 mm (16.51 in). The unit is factory preset to the 100 watt setting in the 100 volt operating mode, with a tap switch
located on the back surface.
The system shall be the Cloud CS-SUB8 for both low and high impedance applications.
www.cloud.co.uk www.cloudusa.pro
Issue_1.2 E&OE
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