[R-390] Operating Hours / MTBF

[Rbethman]

Bob,

    I got 4 years without failure on my now traded '67 EAC R-390A.  
That's 24/7.

    It had one failure of  of a shorted tube in the audio module just 
before that run.

    I agree - It has been TOO quiet.

    Maybe on Sunday, my next day off after three 13 hour days, we can 
stir up some thing.

    How about gutting C603 and C606, and replacing the paper insides 
with new lytics?

    That ought to start the ball rolling.  Just NO FISH!

    Still wish I had more info on the Northern Radio Modified 
SP-600J11..... Oh well

Bob - N0DGN

<                      Bob Bethman - N0DGN
+-------------------------------+----------------------------------+
| N0DGN AMRadio Manassas, VA    |    REAL Tube Radio and AM        |
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|       Manassas Radio - Home of Homemade Kielbasa & Pirogi        |
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| Bob Bethman                \\\|///     " The absence of a danger |
| rbethman(at)comcast.net   \\ ~ ~ //      signal does *NOT* mean  |
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| 1 BC-610I w/BC-614I,1 T-213/GRC-26 w/BC614I 1 '51 Collins R-390A |
| 1 '67 EAC R-390A, Heathkit DX-60, Apache, Mohawk, SX-101, HT-32A |
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