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Series/Parallel Ohm, Watts Problem
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<blockquote data-quote="Blazemore" data-source="post: 996752" data-attributes="member: 549425"><p>I want to hook up three 3.5" speakers in my dash to the center channel. I looked around on the net but still having problems understanding what the final ohm would be and the wattage each speaker will get. Pic of problem.</p><p></p><p><img src="http://gallery.caraudio.com/vg/8/8/3/8/3.5speakers.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>To find total ohm the amp will see?</p><p></p><p>Zt = (Z3 x Z 1, 2) / (Z3 + Z 1, 2)</p><p></p><p>Zt = (4x8) / (4+8)</p><p></p><p>Zt = 32 / 12</p><p></p><p>Zt = 2.667</p><p></p><p>^is this right?</p><p></p><p>The SS amp center channel</p><p></p><p>4ohm 65watts</p><p></p><p>2ohm 100 watts</p><p></p><p>I found this formula example used for finding how many watts each speaker will get. But this was for 2 speakers not three. Don't know the true formula I need</p><p></p><p>Pab = Po x (Zt / Zab)</p><p></p><p>Pab = 100 x (4 / 8)</p><p></p><p>Pab = 100 x 0.5</p><p></p><p>Pab = 50 watts</p><p></p><p>Anybody help out?</p></blockquote><p></p>
[QUOTE="Blazemore, post: 996752, member: 549425"] I want to hook up three 3.5" speakers in my dash to the center channel. I looked around on the net but still having problems understanding what the final ohm would be and the wattage each speaker will get. Pic of problem. [IMG]http://gallery.caraudio.com/vg/8/8/3/8/3.5speakers.gif[/IMG] To find total ohm the amp will see? Zt = (Z3 x Z 1, 2) / (Z3 + Z 1, 2) Zt = (4x8) / (4+8) Zt = 32 / 12 Zt = 2.667 ^is this right? The SS amp center channel 4ohm 65watts 2ohm 100 watts I found this formula example used for finding how many watts each speaker will get. But this was for 2 speakers not three. Don't know the true formula I need Pab = Po x (Zt / Zab) Pab = 100 x (4 / 8) Pab = 100 x 0.5 Pab = 50 watts Anybody help out? [/QUOTE]
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