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Biasing Tubes On Od Pedals


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#1 ozbadman

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Posted 18 October 2013 - 06:03 PM

Hi Guys,

 

I know this is not really the right palce for this, but I can't find anything on the web and you guys seem to know what you're talking about.

 

I have a Blackstar HT-Dual and new Vox Straight 6. They are both Hi-Voltage tube overdrives, running off low voltage with a step-up system.

 

http://www.sweetwate...CFSU6QgodLjkApw

 

I didn't realise until recently that replacing tubes meant having to check/adjust the bias. Is this not necessary on guitar pedals? It seems like it would be necessary but nobody on the web seems to mention it as far as I can find.

 

Any insight?

 

Thanks all.


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#2 MGblade

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Posted 18 October 2013 - 11:58 PM

As far as i know only power tubes need biasing not preamp tubes like in you,re ht.
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#3 ozbadman

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Posted 19 October 2013 - 09:48 AM

Ahhh. That's interesting MG. I'll have to look into that. Thanks for responding,


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#4 geekpimp

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Posted 22 October 2013 - 05:24 AM

As far as i know only power tubes need biasing not preamp tubes like in you,re ht.

You are correct. There is no need to bias pre-amp tubes.

 

Cheers.


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