Transcript
Product Data Sheet
Backbox CV300 Cavity wall backbox
Revision 1.0
Application: The BackboxCV300 is an easy to install, sound proofing backbox for the Amina iQ Series speakers. For use in plasterboard cavity walls (drywalls), the BackboxCV300 replaces the standard Fixing Blocks and creates a sealed enclosure around the back of the speaker utilising a specially designed composite sound proofing layer. The BackboxCV300 is recommended for multi-speaker installations - the cavity loading the backbox provides will ensure consistent sound quality from all speaker locations.
Installation: The BackboxCV300 is designed to be retro-fitted to the plasterboard wall or ceiling. Importantly it is fixed to the plasterboard only which minimised potential energy transfer to the wall/ceiling joists. Our detailed installation guide provides information on how to achieve the correct speaker face alignment for different types of plaster finishes and plasterboard thicknesses. Amina can also provide any necessary shims free of charge. Sound Proofing Characteristic*: The graph below shows the sound pressure level attenuation of an Amina iQ Series speaker’s rearward output when installed in a BackboxCV300. Over the 150Hz – 5KHz range the rear firing sound pressure is reduced on average by 21dB. It is recommended that additional sound proofing steps are taken if your speakers are installed in a wall or ceiling where bedrooms are directly adjacent. The BackboxCV300 cannot stop some mechanically induced noise transmission inherent in certain building structures. Please consult Amina for advice. 0 -5 -10
dBSPL
-15 -20 -25 -30 -35 100
150
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300
*iQ under Amina test conditions with 2.83Vrms input. Actual results in your property may vary.
500
Hz
1k
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Product Data Sheet
Backbox CV300 Cavity wall backbox
19mm (3/4”) 304mm (1159/64 ”)
304mm (1131/32 ”)
Dimensions
403mm (15 55/64 ”)
71mm (2 51/64 ”)
24mm ( 15/16”)
450mm (17 23/32 ”) Specifications Dimensions Product weight Speaker cable entry Speaker fixing Wall Fixing Minimum cavity depth Sound pressure reduction
Distribuidor em Portugal SISLITE Lda Rua Sá de Figueiredo 6 C, 2790-233 Carnaxide Tel: 21 417 76 21 Fax: 21 030 00 31 Email:
[email protected] Web: www.sislite.pt
v21.0 Jul 2013 © Amina Technologies Ltd
BackboxCV300 450 x 304 x 71mm (17 23/32 x 11 31/32 x 251/64 ”) 1.8kg (3.97lbs) Rubber grommet (can be replaced by M20 gland) Use 4x self tapping flangehead (supplied) Use 8x self tapping drywall screws (supplied) 75mm (3”) -21dB on average over 150Hz - 5kHz range
