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11

Free-standing

Vertically

In some rooms it may be possible to 
stand the ALF120 vertically behind 
furniture. If you are considering this 
arrangement, always check the following 
points -

Fit felt pads the end of the cabinet

that stands on the floor.
The outlet port must vent into free

air and not be obstructed by a wall or
furniture.
Ensure that the ALF120 is secured to

a fixed surface, such as bracketed to
a wall, to ensure there is no danger
of it toppling and causing damage or
injury.
Ensure that the cable(s) to the

amplifier are fixed to stable surfaces
and will not be a trip hazard.

Horizontally

The ALF120 is also suitable for horizontal 
use, laid on its back underneath furniture. 

If you are considering this arrangement, 
always check the following points -

Fit the feet to the back of the cabinet

that stands on the floor.
In horizontal installation the acoustic

port must be set at the end of the
cabinet and must not be obstructed.
Check that a clearance greater

than 125mm from the floor exists to
accommodate the ALF120.

125mm

Ensure that the cable(s) to the

amplifier are fixed to stable surfaces
and will not be a trip hazard.

Summary of Contents for ALF120

Page 1: ...User guide ALF120 Subwoofer...

Page 2: ...port 5 In wall installation 6 Non directional sound 6 In wall locations 6 Vibration 6 Preparing the wall cavity 6 Preparing the ALF120 7 Connecting the ALF120 7 Fitting the ALF120 into the wall 8 Test...

Page 3: ...high pressure stereo systems The adjustable outlet vent enables the ALF120 to be operated vertically usually within a wall or horizontally Applications with free standing speakers The ALF120 can also...

Page 4: ...ispose of it do so having regard to any recycling regulations in your area Contents The carton should contain ALF120 subwoofer 48 x felt pads 4 x feet Outlet gasket If any items are missing or damaged...

Page 5: ...are also possible where the ALF120 can be concealed under behind or within furniture In cases where the ALF120 may be installed laid flat the position of the outlet port may be moved from the supplied...

Page 6: ...n a 5 stud wall Each building and location may require a slightly different approach to preparing the cavity and making good the wall afterwards Vibration During installation remember that the ALF120...

Page 7: ...ack surfaces Fit six felt pads to each of the side surfaces of the cabinet The draw ing below shows the correct locations for the pads Connecting the ALF120 Once the pads are fitted the ALF120 is read...

Page 8: ...alisation may permanently damage the ALF120 Connect the amplifier to the cable from the ALF120 Disconnect any other system speakers Play a signal with high bass content Increase the volume level and l...

Page 9: ...to build re build the wall to complete the installation Cut the section of wall board that will cover the ALF120 Offer up the cut wall panel in the position where it will cover the ALF120 Mark up the...

Page 10: ...edge of the slot sits 18mm above the stud under the ALF120 Skirting Cut a section of skirting where used and repeat the process to cut a slot of the same size in the same position Fit the skirting to...

Page 11: ...ing damage or injury Ensure that the cable s to the amplifier are fixed to stable surfaces and will not be a trip hazard Horizontally The ALF120 is also suitable for horizontal use laid on its back un...

Page 12: ...connecting the ALF120 in reverse phase with respect to the other system speakers To do this take a seat in a good listening position and play a short passage of music which includes some bass energy R...

Page 13: ...n A100Q amplifier to drive the complete system NOTE The ALF120 must be driven by either an A100Q amplifier or an alternative DSP amplifier with DSP program provided by Amina technical The use of other...

Page 14: ...ify the problem frequency that excites the vibration Set this frequency to excite the vibration continually then locate the source by listening closely to the vibrating area The source may be a loose...

Page 15: ...Amina Technologies Ltd Cirrus House Glebe Road Huntingdon Cambs PE29 7DL England T 44 1480 354390 W www amina co uk E inspired amina co uk Copyright 2015 ALF120 V1 0...

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