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Flex 6400M with Ten Tec Titan Amplifier

Member ✭✭
edited May 2020 in FLEX-6000 Signature Series
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

  • Member ✭✭
    edited May 2020
    Picture
  • Member ✭✭
    edited May 2020
    No picture first time this happen here cannot load ???
  • Member ✭✭
    edited May 2020
    image
  • Member ✭✭
    edited September 2019
    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 N4QM
  • Member ✭✭✭
    edited May 2020
    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 / k3Tim
  • Member ✭✭
    edited May 2020
    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 ????
  • Member ✭✭✭
    edited September 2019
    These could be 'medical pulls', although with the box they sound new (NoS).  You found a small fortune!


  • Member ✭✭
    edited September 2019
    Tubes name I remember starts with E but they are at daughter house in NJ
  • Member ✭✭✭
    edited September 2019
    Eimac 3cx800a7 or most likely 3cp800a7
  • Member ✭✭
    edited September 2019
    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 !
  • Member ✭✭
    edited September 2019
    Joe N3HEE
    What your way keep the grid current lowest ????
    How do you tune the load and tune dials Joe

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