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 Post subject: Brit45 Wattage
PostPosted: Sat Aug 12, 2017 8:08 am 
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Joined: Fri Dec 09, 2011 11:24 am
Posts: 6
Hi guys,
I just finished up a Brit45 and I have to say it's amazing and had zero issues.
Does anyone know the actual wattage of this amp with KT66 power tubes? I've read anything from 30 to 45 watts. I want to add a little versatility to the amp by installing an attenuator. Thanks in advance for any input.


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 Post subject: Re: Brit45 Wattage
PostPosted: Sat Aug 12, 2017 9:23 am 
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Joined: Tue Jan 02, 2007 1:24 pm
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Location: Albany, NY
35 - 40 watts is what I've read.

As another option, it's easy to add a master volume to the amp. Just run the output from the treble pot to an added A1M volume pot, and the output from that pot back to where the treble output originally connected. Removing one of the lower sensitivity input jacks makes a convenient place to mount the new MV pot.

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 Post subject: Re: Brit45 Wattage
PostPosted: Sat Aug 12, 2017 1:18 pm 
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If you measure the plate voltage and bias current, Weber's bias calculator will tell you how many watts each tube is putting out.

http://www.tedweber.com/webervst/tubes1/calcbias.htm

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 Post subject: Re: Brit45 Wattage
PostPosted: Sun Aug 13, 2017 8:11 am 
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Joined: Fri Dec 09, 2011 11:24 am
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Thanks for all the info!


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