Polk Audio PA330 Stereo Amplifier User Manual


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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.
Tri-mode
For Tri-mode wiring the high frequency speakers should be run in stereo
>`ÊÕÃiÊ>Ê«>ÃÃÛiÊÊiÊVÀÃÃÛiÀÊV>«>VÌÀ®ÊÜÌÊi>VÊÌÊÀiÛiÊÌiÊ
low frequency. The mono low frequency speaker would be connected
in the bridge mode to the two stereo channels with a in line passive
VÀÃÃÛiÀÊ`ÕVÌÀ®ÊÌÊÀiÛiÊÌiÊ}ÊvÀiµÕiViðÊ/iÊ}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.
Speaker Wiring Diagram PA660
/iÊ*ÊÕ`Ê*ÈÈäÊ>«viÀÊvviÀÃÊÌÜÊÃiÌÃÊvÀÌÊ>`ÊÀi>À®ÊvÊÌÜÊ«ÃÌÛiÊ>`ÊÌÜÊi}>ÌÛiÊÕÌ«ÕÌÊÌiÀ>ÃÊvÀÊi>ÃiÊ
of connecting the speakers to the amplifier. Each amplifier is stable to 2 Ohm per channel or 4 Ohm per bridged channel pair.
Tri-mode
For Tri-mode wiring the high frequency speakers should be run
ÊÃÌiÀiÊ>`ÊÕÃiÊ>Ê«>ÃÃÛiÊÊiÊVÀÃÃÛiÀÊV>«>VÌÀ®ÊÜÌÊ
each to remove the low frequency. The mono low frequency
speaker would be connected in the bridge mode to the two
ÃÌiÀiÊV>iÃÊÜÌÊ>ÊÊiÊ«>ÃÃÛiÊVÀÃÃÛiÀÊ`ÕVÌÀ®ÊÌÊ
remove the high frequencies. The high frequency speakers
ÃÕ`ÊLiÊÊiÃÃÊÌ>ÊÓÊ"Ê>`ÊÌiÊÜÊvÀiµÕiVÞÊLÀ`}i`®Ê
speaker should be no less than 4 Ohm.
Bridging
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.
Bridged Stereo
4
24
24
Bridged
Tri-mode
24
24
4
bridged
bridged
4 4
24
24
24
24
Front and Rear
in Tri-mode
4 channel
24
24 24
24
2 channels
Bridged Front & Rear
bridged bridged
48 48
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