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PRODUCT DESCRIPTION

The Concourse QSUB is a high-performance compact subwoofer 

system designed to augment the bass response of any QUAD 

Industrial Q Series, C Series or R Series system. Built around an 

acoustically inert MDF enclosure, the QSUB delivers frequency  

response down to 35Hz. Built around a genuine QUAD long-

throw woofer with integral passive crossover, the QSUB integrates 

easily into any audio system.

CONCOURSE QSUB

Compact dual voice-coil subwoofer designed for corner installa-

tion. Features a heavy duty 10" woofer designed specifically for 

subwoofer operation and includes an internal crossover with fil-

tered high-pass outputs to feed full range speakers. The enclosure 

offers 12 threaded inserts for rigging applications. A steel mount-

ing bracket and hardware are included. Available only in black:

 

•  Concourse QSUB – Black, Dual 125 Watt 8

  

 

  voice coils 

 

•  Concourse QSUB-W – White, Dual 125 Watt 8

  

 

  voice coils

PRODUCT FEATURES 

The Concourse QSUB enclosure is designed for installation in a 

corner, where the boundary effect of the mounting surfaces will 

serve to enhance the speaker’s output level. The speaker is sup-

plied with a unique corner-mount bracket which permits close 

installation into a corner between two wall surfaces or between a 

wall and ceiling surface. In addition, to facilitate other mounting 

needs, the QSUB is fitted with 12 M8 threaded inserts.

The QSUB features a genuine QUAD long-throw 10" woofer 

designed specifically for this application. This unique driver is 

equipped with two 8

 voice coils that can be connected to the 

Threaded Rigging Points

The Q SUB is supplied with a unique 
corner-mount bracket which permits 
close installation into a corner between 
two wall surfaces

L and R channels of a power amplifier for true stereo subwoofer 

operation. For mono applications the voice coils can be paralleled 

to present a 4

 impedance. 

Summary of Contents for CONCOURSE Q - REV 1

Page 1: ...C O N C O U R S E Q S E R I E S INSTRUCTION BOOKLET CONCOURSE Q SERIES SUBWOOFER Q SUB F O R T H E C L O S E S T A P P R O A C H T O T H E O R I G I N A L S O U N D R E V 1...

Page 2: ...s either direct or consequential arising from the installation and use of these products Liability is limited to replacement of product or refund at the QUAD Industrial s discretion Your rights to com...

Page 3: ...Black Dual 125 Watt 8 voice coils Concourse QSUB W White Dual 125 Watt 8 voice coils PRODUCT FEATURES The Concourse QSUB enclosure is designed for installation in a corner where the boundary effect of...

Page 4: ...ne best suited to the site conditions and perfor mance objectives Step 1 Identify the location where the speaker will be installed and de termine if the wall or ceiling has the structural integrity to...

Page 5: ...structure CONNECTIONS The Concourse QSUB is fitted with a unique dual voice coil driver and a dual channel passive crossover This permits the subwoofer to be connected to both channels of a stereo am...

Page 6: ...th the speaker and the power amplifier Terminate the cables to the Full Range Input terminal block ensuring that the wires are clamped firmly and that there are no stray wire strands that might cause...

Page 7: ...mplifier channels if the system is reproducing a mono signal For mono applica tions simply connect one amplifier channel to both Left and Right Full Range Input terminals in parallel Note that this me...

Page 8: ...s are driven by a constant voltage amplifier while the QSUB is driven by a separate amplifier No external electronic crossover is required permitting the use of nearly any suitable power amplifier COM...

Page 9: ...420Hz 10dB Frequency Response 42Hz 350Hz 3dB Sensitivity 2 83V 82dB Coverage H x V N A Directivity DI H x V N A Impedance Left 8 Right 8 Regulatory Approvals CE 9UL CE Transducers LF Driver Size 10 L...

Page 10: ...nc 8440 154th Avenue NE Redmond WA 98052 U S A C O N T A C T p h 1 8 7 7 4 4 0 0 8 8 8 p h 1 4 2 5 8 6 1 3 9 0 9 f x 1 4 2 5 8 6 1 3 9 0 6 U K C O N T A C T p h 4 4 0 8 4 5 4 5 8 0 0 1 1 p h 4 4 0 1 4...

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