QS 115
QS 115
REINFORCEMENT SUBWOOFER
KEY FEATURES
Enclosure in 18 mm birch wood
15” high power woofer with 4” coil
3 M10 anchoring points
Designed to strenghten and extend the low freq. range
of the QUBE line
APPLICATION
High performance touring
Fixed installations
Medium-Small live venues
Theatres
GENERAL DESCRIPTION
The QS 115 is a front-loaded bass reflex subwoofer. Equipped witha single high excursion 15” woofer with 4” coil. The specially
designed reflex port and efficient voice coil cooling system enables the QS 115 to achieve high SPL with minimal power
compression. Designed for high sound levels (132 dB SPL), with its outstanding bass extension and articulation the QS 115 is the
ideal companion forQUBEfull-range speaker system when extra power and deep is require at low frequencies.
Applications include night clubs, pubs, small live venue, theatres or distributed subwoofer for disco.
The cabinet is constructed from 18mm birch polywood finish in a durable and scratch resistant paint. 3 M10 anchoring points for
suspended installation.
The connector panel’s have dual Neutrik NL4 speakon for reliable input and loop through connections.
TECHNICAL SPECIFICATIONS
ELECTRICAL PERFORMANCE
Configuration
Recommended amplifier (1)
Long term power AES (2)
Short term power IEC 268-5
Nominal impedance
Frequency response @-6dB (3)
Sensitivity @1W, 1m (4)
Max SPL (5)
Dispersion @-6 dB (HxV) )
Crossover frequency
Recommended HP filter
PHYSICAL
SUBWOOFER
1200W rms
600 W
2400 W
4/8 ohm
38 Hz - 400 Hz
98.5 dB
132 dB
omnidirectional
100 Hz
30 Hz - 24 dB oct.
Low frequency woofer
Input connectors
Net dimensions (WxHxD)
Net weight
Enclosure materials
Finish
Grille
1 x 15” - coil Ø 4”
2 x speakon NL4 paralleled
480 x 685 x 603 mm
40 kg
18 mm birch wood
wear-resistant textured black paint
black powder coated perforated steel
with foam
(1) amplifier power on nominal loudspeaker impedance
(4) average SPLmeasured over the freq. response range
(2) 2 hours, pink noise with crest factor 2, applied RMS voltage corresponding to the power on theminimum of
the modulus of the impedance of the speaker in full rangemode, or of the driver in bi-ampmode.
(5) calculated based on short term power capacity and measured 1W, 1m
full space sensitivity
(3) full-space on axis
QS 115
REINFORCEMENT SUBWOFER
DIMENSION DRAWINGS
480
153.5
INPUT PANEL & BLOCK DIAGRAM
603
QS 115
REINFORCEMENT SUBWOOFER
dB SPL
110
105
100
95
90
85
80
75
70
65
60
55
50
10Hz 20
FULL SPACE FREQUENCY RESPONSE
LF
11+ 2+
2-
50
100 200
500
1k
2k
5k
10k
20k
40k
NOMINAL IMPEDANCE
RECOMMENDED AMPLIFIER
SHORT TERM (IEC 268-5)
LONG TERM (IEC 268-5)
FREQUENCY RESPONSE (@-6dB)
ARCHITECTURAL & ENGINEERING SPECS.
4 ohm
1200W rms
2400W rms
600W
38Hz - 400Hz
98,5dB
132dB
MANUFACTURED IN EEC
The subwoofer loudspeaker shall incorporate one 15” LF transducer with a
4” coil.
System frequency response shall vary no more than +/- 6dB from 38Hz to
400Hzmeasured on axis.
The loudspeaker shall produce a sound pressure level (SPL) of 132 dB on
axis at 1 meter.
It shall handle 600 watts of amplifier power long term (AES standard) and
shall have a nominal impedance of 8 ohm.
It shall be constructed of 18mm birch wood with internal reinforcement.
Input connectors shall be two NL4 speakon.
The front of loudspeaker shall be covered with a powder-coated perforated
grille with foam.
The subwoofer loudspeaker shall be theQUBEmodelQS115
www.qubeaudio.com
FBT Elettronica S.p.A.
www.fbt.it
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