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Old 18th August 2015, 04:35 AM   #1
diyAudio Member
Join Date: Aug 2012
Default B1 buffer with gain?

Im looking to increase the gain of the B1 buffer which values to be changed to may be to gain 6? if we are using the lsk489

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Old 18th August 2015, 05:24 AM   #2
diyAudio Member
Join Date: Sep 2013
B1 Buffer is source follower. You can't get voltage gain from that.
Mr Pass released a simple preamp circuit using 2sk170 then I think Juma tweaked and perfected it.
Do a search and you should find it.
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Old 18th August 2015, 11:10 AM   #3
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Join Date: Sep 2013
Here ya go. This is what I would build. You don't have to use the same device as Juma if you don't have them.
BF862 Preamp
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Old 18th August 2015, 08:46 PM   #4
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Join Date: Jan 2002
Location: Tyrone Ga. U.S.A.
You might look at the second post in this thread.

Jfet BOZ
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