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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: RE: here we go again....... posted by sonicboom on August 19, 2016 at 12:24:11:
I agree that there are many ways to get the sound one is searching for. While the CCS I chose may not be ideal, the proof is in the pudding. I tried several alternatives and this approach was marginally cleaner and clearer than the alternative approaches. Maybe it is the 6K5, maybe the CCS, I can't really say other than it is slightly and noticeably cleaner than the other topologies I tried. Why would a 6K5, a low transconductance tube from the 1930s, sound cleaner than a state of the tube art high transconductance Mullard E180F (triode connected) from the 1960s?
As an aside: I use the K&K CCS because I tried wiring up MOSFETs on perf board but was frustrated with the perf board, small parts and solder "wiskers" and I really couldn't see well enough to ensure I was soldering what I thought I was soldering. The K&K CCS board and Pete Millet's A2 buffer make using solid state devices easy. I know I can experiment with different devices like the BJTs on these boards, but for now I am using them as designed because they sound excellent. I have plenty of alternative SS devices for my next amp using the 6F5 and will experiment some more.
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Follow Ups
- RE: here we go again....... - Palustris 12:58:27 08/19/16 (1)
- RE: here we go again....... - sonicboom 13:54:43 08/19/16 (0)
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