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Big Road Blues Discussion Forums 2009-07-31T23:16:00+00:00 http://www.bigroadblues.com/forum/feed.php?f=7&t=10141 2009-07-31T23:16:00+00:00 http://www.bigroadblues.com/forum/viewtopic.php?t=10141&p=97324#p97324 <![CDATA[Re: Speaker wiring/ohms/?]]>
You're going to get the max power rating with a 4 ohm load.

ty

Statistics: Posted by thunda1216 — Fri Jul 31, 2009 11:16 pm


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2009-07-31T20:12:46+00:00 http://www.bigroadblues.com/forum/viewtopic.php?t=10141&p=97322#p97322 <![CDATA[Re: Speaker wiring/ohms/?]]>
zhyla wrote:
birddog wrote:So I can put in 2, 8 ohm speakers
Wire one circut in parallel & it will = 4 ohms :mrgreen:


Correct.

birddog wrote:
Then I can wire the other circut series/parallel and it will = 8 ohms and I get what I want ?


No, the example on that page of a series/parallel circuit involves 4 speakers. You could take 4 8 ohm speakers, put pairs of them in series (16 ohm each pair) and put the pairs in parallel (16 ohm parallel with 16 ohm = 8 ohm).

Honestly I would do the 8 || 8 = 4 to match your head, and then have a switch to cut out one speaker to match your 8 ohm needs. Or do 8 + 8 = 16 ohms and plug your 8-ohm (tube) amps into that. It will be suboptimal but shouldn't be a big deal.


Yep, I should have known better than to doubt you. Just trying to think outside the box.
Thats what its gonna have to be.
2 Weber 10A125 Classic Alnico's 8ohm wired for 4ohms, under this vintage project amp.
She's rough but useable, BROWN dropped it off today.
Image
Image

Wally

Statistics: Posted by birddog — Fri Jul 31, 2009 8:12 pm


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2009-07-31T18:27:46+00:00 http://www.bigroadblues.com/forum/viewtopic.php?t=10141&p=97315#p97315 <![CDATA[Re: Speaker wiring/ohms/?]]> Statistics: Posted by ricochet — Fri Jul 31, 2009 6:27 pm


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2009-07-31T14:17:13+00:00 http://www.bigroadblues.com/forum/viewtopic.php?t=10141&p=97300#p97300 <![CDATA[Re: Speaker wiring/ohms/?]]>
I'm not sure why you're building a 2-speaker cab, but there's nothing wrong with just using one speaker out of it, especially if it's an open-back cab. There's also nothing wrong with running an 8-ohm amp into a 16-ohm speaker load as long as it's a tube amp.

Statistics: Posted by zhyla — Fri Jul 31, 2009 2:17 pm


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2009-07-30T21:35:45+00:00 http://www.bigroadblues.com/forum/viewtopic.php?t=10141&p=97291#p97291 <![CDATA[Re: Speaker wiring/ohms/?]]>
ty

Statistics: Posted by thunda1216 — Thu Jul 30, 2009 9:35 pm


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2009-07-29T20:33:19+00:00 http://www.bigroadblues.com/forum/viewtopic.php?t=10141&p=97265#p97265 <![CDATA[Re: Speaker wiring/ohms/?]]>
What about using one of these, anybody ever use one ? Looks like a reasonable option.
Wouldn't need any footswitch.

https://taweber.powweb.com/store/2head.htm

Wally

Statistics: Posted by birddog — Wed Jul 29, 2009 8:33 pm


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2009-07-29T19:58:56+00:00 http://www.bigroadblues.com/forum/viewtopic.php?t=10141&p=97263#p97263 <![CDATA[Re: Speaker wiring/ohms/?]]>
birddog wrote:
So I can put in 2, 8 ohm speakers
Wire one circut in parallel & it will = 4 ohms :mrgreen:


Correct.

birddog wrote:
Then I can wire the other circut series/parallel and it will = 8 ohms and I get what I want ?


No, the example on that page of a series/parallel circuit involves 4 speakers. You could take 4 8 ohm speakers, put pairs of them in series (16 ohm each pair) and put the pairs in parallel (16 ohm parallel with 16 ohm = 8 ohm).

Honestly I would do the 8 || 8 = 4 to match your head, and then have a switch to cut out one speaker to match your 8 ohm needs. Or do 8 + 8 = 16 ohms and plug your 8-ohm (tube) amps into that. It will be suboptimal but shouldn't be a big deal.

Statistics: Posted by zhyla — Wed Jul 29, 2009 7:58 pm


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2009-07-29T19:04:13+00:00 http://www.bigroadblues.com/forum/viewtopic.php?t=10141&p=97259#p97259 <![CDATA[Re: Speaker wiring/ohms/?]]> Wire one circut in parallel & it will = 4 ohms :mrgreen:
Then I can wire the other circut series/parallel and it will = 8 ohms and I get what I want ?

If I read this right, help out an electronic ignoramus please !

http://www.usspeaker.com/speaker%20wiring-1.htm

Wally

Statistics: Posted by birddog — Wed Jul 29, 2009 7:04 pm


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2009-07-29T18:12:33+00:00 http://www.bigroadblues.com/forum/viewtopic.php?t=10141&p=97252#p97252 <![CDATA[Re: Speaker wiring/ohms/?]]> Statistics: Posted by ricochet — Wed Jul 29, 2009 6:12 pm


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2009-07-29T15:21:29+00:00 http://www.bigroadblues.com/forum/viewtopic.php?t=10141&p=97249#p97249 <![CDATA[Re: Speaker wiring/ohms/?]]>
So to use 2 speakers with this 4ohm amp & wanting a 4ohm plus an 8ohm set up I need 4ohm speakers ? Oh, no that limits my speaker choices.
Is it to early to start drinking :|

Wally

Statistics: Posted by birddog — Wed Jul 29, 2009 3:21 pm


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