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3rd February 2006, 11:29 AM
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#1 |
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diyAudio Member
Join Date: Jul 2004
Location: Iran/Shiraz
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lookin for a tube buffer
hi ,,
i built the real mctube for my bass guitar , the circuit s here : http://www.dogstar.dantimax.dk/tubestuf/mctube.htm .... i need a tube buffer for this preamp to use a tone control after that ... the only tubes i have to use in buffer is : 6av6 and 12ax7 ... any circuit ?
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Rest my eyes from the world. This dying place, it's so absurd. |
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3rd February 2006, 10:43 PM
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#2 |
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diyAudio Member
Join Date: Apr 2004
Location: Plainsboro, NJ
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The triode in a 6AV6 is the same as the triodes in a 12AX7. IMO, that triode makes a poor buffer due to low transconductance (gm). You easily might do better using a FET voltage follower.
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Eli D. |
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4th February 2006, 08:00 AM
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#3 |
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diyAudio Member
Join Date: Jul 2004
Location: Iran/Shiraz
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i wanted to use a FET buffer ...
but one of my friend told me if i m using a tube pre amp better to use a tube buffer , but i couldn t ask him how ...
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Rest my eyes from the world. This dying place, it's so absurd. |
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4th February 2006, 12:27 PM
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#4 | |
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diyAudio Member
Join Date: Apr 2004
Location: Plainsboro, NJ
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Quote:
IMO, your friend's concern is misplaced. Tubes and FETs work very well together. FET's make GOOD current amplifiers. Think of a FET as being a heaterless pentode. 
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Eli D. |
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