Wiring a 4X10 cab

gitarzilla

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What are the mono wiring options for a cab with 4 8-ohm 10s? I know that straight parallel (I think) would yield a total load of 2 ohms like a Super Reverb. Is there a way to wire it to get a total load of 4, 8 or 16 ohms? And if so, how would that be done? Thanks.
 

VaughnC

Supporting Member
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Stratight parallel would be 2 ohms....but if you wire two series pairs in parallel you'll end up with 8 ohms. There's no way to get 4 or 16 ohms with four 8 ohm speakers.
 

gitarzilla

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Cool, Vaughn. Thanks. 8 ohms will work fine. Now, I just have to fingure out how to wire series/parallel....
 

VaughnC

Supporting Member
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17,663
Originally posted by gitarzilla
Cool, Vaughn. Thanks. 8 ohms will work fine. Now, I just have to fingure out how to wire series/parallel....
Does this diagram make any sense to you:

sleeve<- +><- +>tip
sleeve<- +><- +>tip
 

gitarzilla

Member
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Vaughn, mmmm... kinda.

Reza, thanks, that cleared it up.

Usually when I wire 2 speaks in parallel, I wire the + and - from the jack to the + and - on one of the speakers respectively. Then I wire the + and - form that speaker to the + and - respectively on the other speaker. Looks like I may not be able to do that with the series/parallel scheme.
 

VaughnC

Supporting Member
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17,663
Originally posted by gitarzilla
Vaughn, mmmm... kinda.

Reza, thanks, that cleared it up.

Usually when I wire 2 speaks in parallel, I wire the + and - from the jack to the + and - on one of the speakers respectively. Then I wire the + and - form that speaker to the + and - respectively on the other speaker. Looks like I may not be able to do that with the series/parallel scheme.
If you have 4 speakers, you CAN do the series/parallel wiring.....but you can't do it with only 2 speakers. With series/parallel wiring, you're connecting two series connected speaker pairs in parallel with each other. I don't think I can make it any clearer than this:

jack sleeve><-sp1+><-sp2+><jack tip
jack sleeve><-sp3+><-sp4+><jack tip

And the drawing Reza referred you to shows the same thing in a different way.
 

gitarzilla

Member
Messages
1,531
Originally posted by VaughnC
If you have 4 speakers, you CAN do the series/parallel wiring.....but you can't do it with only 2 speakers. With series/parallel wiring, you're connecting two series connected speaker pairs in parallel with each other. I don't think I can make it any clearer than this:

jack sleeve><-sp1+><-sp2+><jack tip
jack sleeve><-sp3+><-sp4+><jack tip

And the drawing Reza referred you to shows the same thing in a different way.
No, I know. 2 speakers can only be series or parallel. I think I got the 4 speaker daigram now. Thanks.
 




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