[Amps] Dimished Tube Life

[Gary Smith]

Hats off to Messrs. Eitel & McCullough.

Gary...wa6fgi

  ----- Original Message ----- 
  From: Dave Hachadorian 
  To: amps at contesting.com 
  Sent: Friday, September 25, 2009 7:43 AM
  Subject: Re: [Amps] Dimished Tube Life


  Regarding 8877 tube life, I can tell you that in my working
  days we ran an 8877 amp at 250 watts output 24/7 for 15
  years, without ever changing the tube. The amp was
  transmitting IRIG-B time code on VHF for synchronization of
  all instrumentation on a test range.

  We finally switched to a solid state amp.  The old amp is
  now owned by a ham in Colorado, on moonbounce, using the
  same tube.

  Dave Hachadorian, K6LL
  Yuma, AZ


























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