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Post new topic Using one side of a stereo amp w/no speaker
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Author Topic:  Using one side of a stereo amp w/no speaker
Len Amaral

 

From:
Rehoboth,MA 02769
Post  Posted 30 May 2005 6:45 am    
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I thought this question had been posted before. However, I did a search and was not able to find it. So here goes!

Can you use a stereo amp such as the Stereo Steel combo or DPC-1400 power amp with only one speaker plugged in one side and no speaker plugged in the other side without harming the amp? I thought this was not acceptable with tube amps but I what about solid state?
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John Macy

 

From:
Rockport TX/Denver CO
Post  Posted 30 May 2005 6:46 am    
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Solid state amps are just fine with no load on them .
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David Spangler

 

From:
Kerrville, TX USA
Post  Posted 30 May 2005 7:09 am    
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Also, if the amp can be bridged, usually you connect the speaker leads to the +/red banana connector of each channel. Some amps indicate which 1/4" jack to use for bridged operation.

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David Spangler
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Jon Light


From:
Saugerties, NY
Post  Posted 30 May 2005 7:16 am    
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The Mosvalve 962 manual specifically states that it is ok to run thru just one side. It instructs to turn the volume down to 0 on the unused side.
Additional note, specific to this amp---it is 80w per side. Plugging into just the right side switches it to mono 100w operation.
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Jim Smith


From:
Midlothian, TX, USA
Post  Posted 30 May 2005 7:33 am    
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I've used my Stereo Steel rig with both speakers, and just one speaker. I've also used it with no speakers and one or both of the XLR outputs. No problems ever.
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Earnest Bovine


From:
Los Angeles CA USA
Post  Posted 30 May 2005 7:42 am    
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If you run only one speaker with the Stereo Steel amp, you should pull the other wire out of the back of the amp. If you leave it plugged in, the other end of the cable might touch some metal, causing a short which could blow up the amp.
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Len Amaral

 

From:
Rehoboth,MA 02769
Post  Posted 30 May 2005 1:01 pm    
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Thanks guys for the feedback. I will try the Stereo Steel amp with one side only and I believe I can bridge the DPC1400 amp and will try that also.
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Jay Ganz


From:
Out Behind The Barn
Post  Posted 30 May 2005 1:22 pm    
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Just remember, when you run most power amps
amps "bridged", you're pumping alotta watts
into that single speaker. So, take it easy!
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Mike Brown

 

From:
Meridian, Mississippi USA
Post  Posted 31 May 2005 6:54 am    
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You can use a Peavey solid state amp all day long without a speaker connected as it is thermal protected.
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ajm

 

From:
Los Angeles
Post  Posted 1 Jun 2005 5:49 pm    
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For the other half of the answer, with a very few exceptions, NEVER operate a tube amp with an open load.

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Artie McEwan
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George Redmon


From:
Muskegon & Detroit Michigan.
Post  Posted 2 Jun 2005 6:14 pm    
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Len, i asked the same question when i started buying equipment. Here is a photo of one of the many many piece's of Carvin gear that i own...it is a Quad 4 channel power amp. When i bought this monster, Carvin told me i could use 1,2,3 or all four channels..JUST AS LONG...as you turn the amp OFF..before you add or change your speaker load! i have more Carvin gear..then any 1 person on the planet! also several of their fine 6 strings..i will post one if anyone would like to see a great guitar...


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Whitney Single 12 8FL & 5 KN,keyless, dual changers Extended C6th, Webb Amp, Line6 PodXT, Goodrich Curly Chalker Volume Pedal, Match Bro, BJS Bar..I was keyless....when keyless wasn't cool....


[This message was edited by George Redmon on 02 June 2005 at 07:47 PM.]

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