Jamo C 803 Owner/User Manual - Page 16

Subwoofer adjustment options

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Subwoofer adjustment options Level The level control on the C 80 SUB controls the volume. Phase When all the speakers in your system and the subwoofer have been connected it is very important you have them connected in phase. It is easier to adjust the phase on the subwoofer if you have someone helping you. Sit in the listening area and ask your helper to turn the phase control while you're playing back bass-heavy music or the test frequency files found at www.Jamo.com or on the CD-rom which came with the product. Turn the control back and forth to determine the position where the overall bass level sounds the loudest; that's when you'll know the subwoofer is in correct phase. Note that it may help to turn the volume of the subwoofer up when correcting the phase. Regardless, you may also need to turn the subwoofer volume down after finding the correct phase position, as it increases the overall bass output from the subwoofer. 17

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17
Subwoofer adjustment options
Level
The level control on the C 80 SUB controls the volume.
Phase
When all the speakers in your system and the subwoofer have been connected it is
very important you have them connected in phase.
It is easier to adjust the phase on the subwoofer if you have someone helping you.
Sit in the listening area and ask your helper to turn the phase control while you’re
playing back bass-heavy music or the test frequency files found at www.Jamo.com
or on the CD-rom which came with the product. Turn the control back and forth to
determine the position where the overall bass level sounds the loudest; that’s when
you’ll know the subwoofer is in correct phase.
Note that it may help to turn the volume of the subwoofer up when correcting the
phase. Regardless, you may also need to turn the subwoofer volume down after
finding the correct phase position, as it increases the overall bass output from the
subwoofer.