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Table of Contents
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Summary of Contents for Amina ALF40
- Page 1 Installation Guide ALF40 V1.1 April 2015 Discreet Subwoofer...
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Page 2: Table Of Contents
Connection Options (Passive 2. 2) 02-3 Using the Adjustable Port System Connection Options (Active 2. 1) Positioning the ALF40 Connection Options (Active 2. 2) Positioning the ALF40 (Diagram) Setup Tips Using the supplied Port Trim Specifications Connection Options (Passive 2. 1) Dimensions... -
Page 3: Included In The Carton
Included in the carton Parts: Port x1 Rubber O-ring x1 Port Plate x1 Cabinet x1 Port Trim x1 Blanking Plate x1 Port Plate and Blanking Plate Screws x8 Fixing Screws (6x 12.3mm for cabinet. 9x 21 mm for joist etc) Rubber feet x4 Bracket x3 12.3mm... -
Page 4: Using The Adjustable Port System
If it appears loose, check the o-ring has not dropped through the opening. T op Position This port position can be useful if you need to stand the ALF40 on its end (connection terminal facing upward). M A X 8 0 m m... - Page 5 Using the Adjustable Port System End Position M A X 8 0 m m Important notes: ALWAYS loosen the four screws in the port Ensure the rubber o-ring is correctly in plate before adjusting the port. position around the port and sitting within the circular rebate.
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Page 6: Positioning The Alf40
Use the brackets and screws provided to secure the ALF40 within the structure. In-Ceiling The illustration on the next page shows how the brackets supplied can be used to fix the ALF40 to a ceiling joist. Notice the port protrudes from the cabinet - this allows it to then protrude through a suitable hole cut in the plasterboard ceiling layer. -
Page 7: Positioning The Alf40 (Diagram)
Positioning the ALF40 (Diagram) In-Ceiling cont. 21mm screws into joist Ceiling Joist Brackets Port 12.3mm screws into ALF40 Port Trim/ suitable lighting fixture Detail view ALF40 min 10mm max 60mm gap Plasterboard Ceiling... -
Page 8: Using The Supplied Port Trim
The supplied Port Trim can be used to improve the appearance of the port when, for example, the ALF40 is installed behind a plasterboard ceiling. It is designed to fit up to 5mm over the end of the protruding port. -
Page 9: Connection Options (Passive 2.1)
Note: Amplifier must be 4 Ohm stable. In this scenario, one of the amplifier channels (left or right) is used to drive the ALF40 and one of the Evolution speakers together in parallel. It is assumed bass frequencies are mixed in mono on most program material, however for orchestral music better performance will be obtained with the ALF40 connected to the left channel of the amplifier. -
Page 10: Connection Options (Passive 2.2)
Note: Amplifier must be 4 Ohm stable. For systems using a pair of AIW550i speakers, a pair of ALF40’s will be necessary. In this scenario both channels of the stereo amplifier drive one ALF40 in parallel connection with an AIW550i. -
Page 11: Connection Options (Active 2.1)
Multi-channel Amplifier By connecting a single ALF40 to its own amplifier channel, its output (relative to the AIW150i / AIW350i pair) can be set optimally. In larger rooms care should be taken not to adjust the relative output of the ALF40 too high. -
Page 12: Connection Options (Active 2.2)
CH 2 ALF40 Multi-channel Amplifier For systems using a pair of AIW550i speakers, two ALF40’s will be necessary. In this scenario the amplifier will need four independent channels. This setup will work equally well with a pair of AIW350i speakers. -
Page 13: Setup Tips
4. 4 system (2. 2x2 = 4. 4) depending on the amount of bass output required. T o avoid unwanted vibrations, ensure the ALF40 is fixed securely to a structure or, if free standing, the supplied rubber feet are used. -
Page 14: 2 Specifications
3-way binding post (4mm plug, spade or bare wire) Limited Warranty: The ALF40 is designed to operate reliably for many years. Correctly installed and in accordance with these instructions, Amina warranties the ALF40 against defective materials and workmanship for a period of one year. -
Page 15: 3 Dimensions
Dimensions 14in 5.2in 358mm 134mm 43mm 1.6in 64mm 67mm 2.5in 2.6in... - Page 16 Amina T echnologies Ltd Cirrus House, Glebe Road Huntingdon, Cambs, PE29 7DX England T: 00 44 1480 354390 E: inspired@amina.co.uk / W: www.amina.co.uk...
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