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Old 4th July 2009, 11:49 AM   #1
aldovan is offline aldovan  Brazil
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Default 31 tube in output

Friends

I have interest in use the type 31 in output...
Anyone have experience with the 31 in output ?
My last experience is with the 3c24 and it sound very fine, a sweet tube. This unknow tubes can sound very fine.

Aldovan

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Old 4th July 2009, 12:12 PM   #2
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31 is a great sounding tube - sweet and very musical. One of my favourites. Great driver or line stage. Can be microphonic but there you go.

But as an output?

Headphones maybe?

andy
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Old 4th July 2009, 02:03 PM   #3
aldovan is offline aldovan  Brazil
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Default yes, as output...

Andy

Yes, as output.
I can use a pair in paralell and obtain 800mW.
I want use in my PC computer output.
Will work fine, with the adequate power for the small boxes and with high sound quality.

Aldovan
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Old 4th July 2009, 11:40 PM   #4
DHT112A is offline DHT112A  United States
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How is the filament to work with in the 31?
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Old 19th February 2012, 10:44 AM   #5
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Ran across this thread and it got me thinking that just maybe I had a pair of 31's hidden away in my tube stash and sure enough I found a pair. I think they are only capable of about 3/8 of a watt surely not much. Anyone used them as a line stage? If so would you care to share your circuit and or observations and comments.
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