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DIY HiFi Forum Welcome! Need support, you got it. Or share your ideas and experiences. |
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DIY HiFi Forum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: Re: while I'm wishing... posted by Ed Sawyer on July 16, 2004 at 09:21:17:
10V/10A is not an overkill - it exists. I have a 150W German triode with 10V/11.5A. The datasheet emission at 800V is 5A!!!More than 212E. I suspect the filaments are pure thorium. There is also a US tube close to that F127 IIRC. I saw it listed in some '30 book.As for 849 the datasheets say 300W for class A (unless you have 849A then more) and recon less for metal plate versions. The filament is really...weak here...only 55W. I was dissapointed by the lightshow :((
As for the #50 - why bother with this small signal tube? A simple calculation shows that even with 110db/Wm horns 10W is needed to get a SPL of 110db at 3m...make rather 212E!
N-set
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Follow Ups
- Re: while I'm wishing... - N-set 14:15:19 07/16/04 (1)
- Re: while I'm wishing... - Ed Sawyer 06:35:33 07/19/04 (0)
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