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New rebuild - 6F12P-6P45S Triode
New rebuild - 6F12P-6P45S Triode
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Old 7th November 2019, 06:55 PM   #61
kodabmx is offline kodabmx  Canada
Spreading triode love.
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Join Date: Oct 2011
Location: Toronto
New rebuild - 6F12P-6P45S Triode
Should be in the area of 50W-60W... OPT is 4k3 plate to plate with a 6R speaker on the 16R output so about 1k6 reflected. If you buy iron for this, the 1650N isn't the coil to buy honestly but since this project reused iron from a KT88 amp I built, this is what I got. 1650T would be better suited (1k9 primary)
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Old 7th November 2019, 10:01 PM   #62
hendrixgr is offline hendrixgr
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Join Date: Apr 2018
Thank you very much sir!
I would do the same if i had some spare iron, reusing something is the clever way to go.
Btw i bought an external usb DAC and i am listening high resolution audio, there is no comparison with CD's and LP's
Listening to a good tube amplifier reveals all the flaws of cd mastering so cd's ain't gonna cut it anymore for me at least...
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Old 7th November 2019, 10:05 PM   #63
kodabmx is offline kodabmx  Canada
Spreading triode love.
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Join Date: Oct 2011
Location: Toronto
New rebuild - 6F12P-6P45S Triode
LP's sound much better than digital IMHO. I read that vinyl give an equivalent of about 750 kbit vs 16 bit for red book. And 44.1kHz (without oversampling) gives a max frequency of 22050Hz but a pure triangle wave only. Vinyl can do sine waves at 50kHz

When I sample records, I use 192kHz and 24bit but in the future I might switch to 384kHz and 32bit
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Old 7th November 2019, 11:01 PM   #64
hendrixgr is offline hendrixgr
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I think that i will agree with you, after all analog in theory has an unlimited resolution.
I did found a big difference between 96 khz and 192 or 384 Khz.

I am building a phono preampifier to try some LP's so i will find out in a couple months.
Chris
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Old 8th November 2019, 12:32 AM   #65
kodabmx is offline kodabmx  Canada
Spreading triode love.
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Join Date: Oct 2011
Location: Toronto
New rebuild - 6F12P-6P45S Triode
Bonne Chance! (Good luck).
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Old 8th November 2019, 04:58 AM   #66
hendrixgr is offline hendrixgr
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Thank you sir!
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Old 8th November 2019, 11:33 AM   #67
Lampie519 is offline Lampie519  Netherlands
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Nice amp!
I did something similar with an old Dynaco amp. Replaced the original tubes with some EL519 tubes in triode mode. A great improvement over the old amp!
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Old 8th November 2019, 02:09 PM   #68
kodabmx is offline kodabmx  Canada
Spreading triode love.
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Join Date: Oct 2011
Location: Toronto
New rebuild - 6F12P-6P45S Triode
Cheers.

Yes, there's nothing quite like triode strapped sweep tubes IMHO.
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