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Post new topic One Output/ Two Speaker Cabinets?
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Author Topic:  One Output/ Two Speaker Cabinets?
Chris Bauer

 

From:
Nashville, TN USA
Post  Posted 8 Apr 2015 6:29 pm    
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It's never long between my kindergarten-level electronics questions so here's the next one for those of you who are at the first grade level or above...

An amp has a single output looking for a 4 ohm load. I have two cabs with 8 ohm speakers and would like the option of using one or both depending on the situation.

1. I gather from all I've read that a tube amp looking for 4 ohms will play fine with a single 8 ohm speaker but I want to be sure I have that right. So, yes? (Or no.)

2. If I wanted to use both cabs, what are my options, if any, for running them both. (There's one jack per cab so they're not wired currently to be connected in series.)

Thoughts?
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Lane Gray


From:
Topeka, KS
Post  Posted 8 Apr 2015 6:41 pm    
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1) yes, that's acceptable. Not the most efficient, but harmless

2) Make or buy a Y cable with one plug going to two jacks, and plug it into the output and your speaker leads into it.
_________________
2 pedal steels, a lapStrat, and an 8-string Dobro (and 3 ukes)
More amps than guitars, and not many effects
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Chris Bauer

 

From:
Nashville, TN USA
Post  Posted 8 Apr 2015 7:23 pm    
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Any do's and don'ts to that Y-cord, though? Specific type of cable needed, etc?
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Lane Gray


From:
Topeka, KS
Post  Posted 8 Apr 2015 7:26 pm    
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Don't use shielded cable. Zip line (lamp cable) is cheap, and most people have an appliance around that's not working. Use its cable and throw it away; you'll never get around to fixing it.
_________________
2 pedal steels, a lapStrat, and an 8-string Dobro (and 3 ukes)
More amps than guitars, and not many effects
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Les Cargill

 

From:
Oklahoma City, Ok, USA
Post  Posted 8 Apr 2015 8:02 pm    
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FWIW, I once used a small Radio Shack "project box" - a plastic one - and added three Switchcraft 1/4" panel jacks, all wired tip-tip-tip and sleeve-sleeve-sleeve as a handy accessory to solve this problem.

https://www.fruugo.us/radioshack-project-box-enclosure-75-x50x25mm/p-1316799-3456524?gclid=CjwKEAjwo5OpBRDU64qO07OXq00SJADn5hYnWMAjE0RpoYSJisxv9kNNzS8MI0d40Y-6HB7XnLsCxxoC9GLw_wcB

(provided for a picture reference)

I used plastic in case something came loose to prevent shorts. I left the metal side off after I figured out I couldn't reliably insulate it. Some gaffa tape probably would have worked for insulation.

Over time, all the jacks got cannibalized for other things ( mainly for guitars ).
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Scott Duckworth


From:
Etowah, TN Western Foothills of the Smokies
Post  Posted 9 Apr 2015 3:12 am    
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This will "parallel" connect both speaker to the single amp... http://www.radioshack.com/radioshackgold-series-mono-to-mono-y-adapter/2740892.html.
_________________
Amateur Radio Operator NA4IT (Extra)
http://www.qsl.net/na4it

I may, in fact, be nuts. However, I am screwed onto the right bolt... Jesus!
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