Polk Audio Speaker Wiring Diagram PA330, Speaker Wiring Diagram PA660, Tri-mode, Bridging

Speaker Wiring Diagram PA330

The Polk Audio PA330 amplifier offers two positive and two negative output terminals for ease of connecting the speakers to the amplifier. Each amplifier is stable to 2 Ohm per channel or 4 Ohm bridged.

Speaker Wiring Diagram PA660

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of connecting the speakers to the amplifier. Each amplifier is stable to 2 Ohm per channel or 4 Ohm per bridged channel pair.

Bridged	Stereo
4  	2  4
	2  4

4



2channels Bridged Front & Rear

bridged bridged

4 channel

2

4 2

4

4

8 4

8

Tri-mode

2

4 2

4

For Tri-mode wiring the high frequency speakers should be run in stereo >˜`ÊÕÃiÊ>Ê«>ÃÈÛiʈ˜Êˆ˜iÊVÀœÃÜÛiÀÊ­V>«>VˆÌœÀ®Ê܈̅Êi>V…Ê̜ÊÀi“œÛiÊ̅iÊ low frequency. The mono low frequency speaker would be connected in the bridge mode to the two stereo channels with a in line passive VÀœÃÜÛiÀÊ­ˆ˜`ÕV̜À®Ê̜ÊÀi“œÛiÊ̅iʅˆ}…ÊvÀiµÕi˜VˆiðÊ/…iʅˆ}…ÊvÀiµÕi˜VÞÊ speakers should be no less than 2 Ohm and the low frequency speaker should be no less than 4 Ohm.

Bridging

For bridging into a single speaker load, the Polk Audio PA330 has the ability to bridge the front or rear channels together. The impedance of the speaker must not be less than 4 Ohm.

Tri-mode

Bridged

Tri-mode

For Tri-mode wiring the high frequency speakers should be run ˆ˜ÊÃÌiÀiœÊ>˜`ÊÕÃiÊ>Ê«>ÃÈÛiʈ˜Êˆ˜iÊVÀœÃÜÛiÀÊ­V>«>VˆÌœÀ®ÊÜˆÌ…Ê each to remove the low frequency. The mono low frequency speaker would be connected in the bridge mode to the two ÃÌiÀiœÊV…>˜˜iÃÊ܈̅Ê>ʈ˜Êˆ˜iÊ«>ÃÈÛiÊVÀœÃÜÛiÀÊ­ˆ˜`ÕV̜À®ÊÌœÊ remove the high frequencies. The high frequency speakers ŜՏ`ÊLiʘœÊiÃÃÊ̅>˜ÊÓÊ"…“Ê>˜`Ê̅iʏœÜÊvÀiµÕi˜VÞÊ­LÀˆ`}i`®Ê speaker should be no less than 4 Ohm.

Bridging

4

 4



Front and Rear

in Tri-mode

2

4

2

4

For bridging into a single speaker load, the Polk Audio PA660 has the ability to bridge the front or rear channels together. The impedance of the speaker must not be less than 4 Ohm.

2

4 2

4

2

4 2

4

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