Running incorrect Ohms question

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TinMI
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Running incorrect Ohms question

Post by TinMI » Thu Dec 20, 2018 6:59 pm

So I understand that running a 16 ohm head into an 8 ohm cab is a bad idea. But what about running a 16 ohm head on the 8 ohm option into a 16 ohm cab?

Ronnie Robinson
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Re: Running incorrect Ohms question

Post by Ronnie Robinson » Thu Dec 20, 2018 9:33 pm

With a valve amp it's important to run the correct ohm out matched to the speaker, or risk causing the amp serious damage.


But based on your question, why not just use the 16ohm out on your amp to a 16 ohm speaker? If you have this already..........
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TinMI
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Re: Running incorrect Ohms question

Post by TinMI » Fri Dec 21, 2018 1:33 am

Ronnie Robinson wrote:
Thu Dec 20, 2018 9:33 pm
But based on your question, why not just use the 16ohm out on your amp to a 16 ohm speaker? If you have this already..........
It was more just a theoretical question. I noticed the inputs and thought, would that harm it? I couldn't find any results on any forums that asked that question. Thanks for your help. 16 ohms all the way!

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Re: Running incorrect Ohms question

Post by bclaire » Fri Dec 21, 2018 2:54 am

Depending on how you mismatch the impedance you could blow up your output transformer. Big money.

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Re: Running incorrect Ohms question

Post by Sooner » Fri Dec 21, 2018 5:36 am

Here's a good discussion of mismatching impedance by one of the forum experts:

viewtopic.php?f=3&t=3346&p=26458&hilit= ... tch#p26458
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Re: Running incorrect Ohms question

Post by Andy H. » Wed Dec 26, 2018 2:11 am

Sooner wrote:
Fri Dec 21, 2018 5:36 am
Here's a good discussion of mismatching impedance by one of the forum experts:

viewtopic.php?f=3&t=3346&p=26458&hilit= ... tch#p26458
Wow, old post! Still, the way valve amps work hasn't changed so much in the meantime... :lol:

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