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Linn AV Loudspeaker Adjusting the output impedance, Protecting the speaker, Inverting the phase response

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Adjusting the output impedance

The four switches of the right-hand bank control the power amplifier

output impedance, to increase or reduce the damping of the loudspeaker

drive units. A larger room will often require more bass damping.

Impedance Setting

0Ω

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-0.5Ω

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-1Ω

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-1.5Ω

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-2Ω

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Note that decreasing the impedance increases the damping.

Protecting the speaker

Switch 6 brings a soft clipper into the bass circuit path. Use this if you

frequently play the system very loud. It allows very impressive sound

effects while protecting the drive units against extreme overdrive.

Setting Setting

No clipping

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High level

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clipping

Inverting the phase response

Switch 7 inverts the phase response. Use this if the main system power

amplifier or speakers are inverting. It may also give better results if the

5150 is at the opposite end of the room from the main speakers.

Phase response Setting

Inverted

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Normal

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setting up the AV 5150

Contents

Main Page Important safety information i GENERAL SAFETY INSTRUCTIONS ii UK USERS PLEASE READ THIS IMPORTANT SAFETY INFORMATION Fuse replacement iii Mains plug replacement WARNING Replacing the fuse 115V /100V setting (if available): T6.3A. CSA approved. iv Mains voltage operating range AV 5150 Active Isobarik Bass Speaker Setting the mains operating voltage Power consumption v FCC notice contents vi introduction The Linn AV System AV 5103 System Controller AV 5101 Personal Handset AV 5105 Stereo Power Amplifier AV 5140 Floor-Standing Loudspeaker AV 5120 Compact Loudspeaker AV 5110 Local Loudspeaker AV 5150 Active Isobarik Bass Speaker Page About the AV 5105 Stereo Power Amplifier Using the AV 5140 and AV 5120 loudspeakers Using the AV5140s as front loudspeakers using the AV loudspeakers using the AV loudspeakers Using a pair of AV 5120 loudspeakers as main loudspeakers 7 Page Using the AV 5150 Active Isobarik Bass Loudspeaker 9 using the AV loudspeakers Page setting up the AV 5140 and AV 5120 Positioning AV 5140 loudspeakers Positioning the AV5140 loudspeakers near a rear wall Using the AV5140 loudspeakers with a centre loudspeaker Positioning the AV5140 loudspeakers near a television 12 setting up the AV 5140 and AV 5120 Positioning the AV 5120 loudspeaker Using the AV5120 as a centre loudspeaker Positioning the AV 5120 loudspeaker above or below a television Using a pair of AV 5120 loudspeakers as main loudspeakers Page Connecting the AV 5140 or AV 5120 loudspeakers Using bare wires Installing the linking plates Page Page Removing the grilles and cleaning the loudspeakers setting up the AV 5110 Positioning AV 5110 loudspeakers Wall mounting Removing the grilles Painting the AV 5110 Removing the grilles Page setting up the AV 5150 Positioning Fitting the casters Fitting spikes Page Page Connecting the AV 5150 Active Isobarik Bass Speaker Connecting the mains supply Connecting the AV 5150 to a stereo preamplifier Connecting to the AV 5103 System Controller Protecting the Speaker Page Adjusting the AV 5150 Removing the panel Adjusting the frequency response Adjusting the output impedance Protecting the speaker Inverting the phase response Page guarantee and service guarantee and service Warning 31 Important technical information technical information AV 5120 Compact Loudspeaker 32 AV 5110 Local Loudspeaker 33 AV 5150 Active Isobarik Bass Speaker technical information a (continued) index index 34 c 35 f index g i