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Flex 6400M with Ten Tec Titan Amplifier
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KL4QG
Member ✭✭
Dads Amp made 1992 running 1500+ full power Just what is the build up on coils from what? My friends Titan has same build up/ Amp trouble free same two 800 tubes from 1992
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Answers
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Picture0
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No picture first time this happen here cannot load ???0
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That is silver tarnish, Silver Sulfide. Contrary to popular belief silver tarnish is not conductive, it is a semi-conductor. Short of dismantling the amplifier and cleaning the coils there's not much you can do about it.
https://physics.stackexchange.com/a/365483/242452
73, de N4QM0 -
I have a TT-425 also. Nice amp, very little drive needed for 1KW and not much more for 1.5kw.
To much dirve and pop-go the 800's
The Silver on the coils has oxidized. My amp has some also and I will leave it as is....
Best Regards,
Tim / k3Tim0 -
I love amp I have two both my late dads he also stocked up on 800 tubes found 12 tubes still in box but say Medical grade on Tubes ????0
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These could be 'medical pulls', although with the box they sound new (NoS). You found a small fortune!
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Tubes name I remember starts with E but they are at daughter house in NJ0
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Eimac 3cx800a7 or most likely 3cp800a70
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I also run a TT Titan 425 with my Flex 6600M. Great amp ! However tubes are getting hard to find and expensive. Keep the grid current low to maximize the life of the tubes. You are sitting on many life time supplies of tubes !0
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Joe N3HEE
What your way keep the grid current lowest ????
How do you tune the load and tune dials Joe0
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