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Old 13th February 2019, 09:26 AM   #1501
qwertyl is offline qwertyl  United Kingdom
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Originally Posted by Rewind View Post
Wow, thanks for a detailed answer. So now they are $250 preamp ornaments?
Yes, but who knows where the future takes me
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Old 13th February 2019, 01:12 PM   #1502
Centurion53 is offline Centurion53  United States
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Thanks tsmith1315 for the reply. Sage advice indeed. I'm new to this forum and there is such a vast amount of material here that it's easy to fall down rabbit holes .
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Old 13th February 2019, 04:57 PM   #1503
Soundhappy is offline Soundhappy  France
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audioXpress Korg Nutube 6P1 article from P. Millett

https://www.audioxpress.com/files/attachment/2672
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Old 13th February 2019, 06:35 PM   #1504
Eric is offline Eric  United States
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B1 with Korg Triode
Thanks for posting Pete's article! Looking at this again, I keep seeing the same data: Vf=0.7v and If = 17mA.

My measurements show that with a 24.0v regulated supply, my Nutube is running at Vf = 0.704v and If = 18.9mA being drawn across the 475R for both channels. Is this a long-term problem? It seems that I'm outside of the SOA...
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Old 13th February 2019, 09:49 PM   #1505
avdesignguru is offline avdesignguru  United States
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Originally Posted by qwertyl View Post
Yes, but who knows where the future takes me
Jensens would be most useful in inverting the polarity of the B1 Korg outputs to avoid having to invert the loudspeaker connections.
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Old 13th February 2019, 09:53 PM   #1506
Bassivus is offline Bassivus  Serbia
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Originally Posted by avdesignguru View Post
Jensens would be most useful in inverting the polarity of the B1 Korg outputs to avoid having to invert the loudspeaker connections.
That was my consideration... I could salvage a pair of JT-11-BMCF to use
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Old 14th February 2019, 04:37 PM   #1507
R-K Rønningstad is online now R-K Rønningstad  Norway
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http://www.jensen-transformers.com/w...-112p-2hpc.pdf
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Old Yesterday, 06:18 PM   #1508
Rewind is offline Rewind  Sweden
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Got my Nutube från the DIYAudio shop. It took 15 days to Norway.
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Old Today, 10:50 AM   #1509
qwertyl is offline qwertyl  United Kingdom
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A few boards + nutubes posted today: see here
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Old Today, 04:12 PM   #1510
mcgillroy is offline mcgillroy
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Thx qwertyl!
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