[Amps] R. MEASURES PRAYERS ANSWERED

[R L Measures]

On Jun 4, 2006, at 10:59 AM, Peter Chadwick wrote:

> Colin said:
>> If an amplifier has been absolutely reliable for 10
> years, with or without a parasitic suppressor, and an arc occurs<
>
> Personally, I'd be more inclined to suspect something in the tubes -

Arcs that are almost without noise are typically in a vacuum.  Loud  
bang arcs are in air.

> although it is perfectly possible that the parasitic suppressor has  
> changed in some way such that it no longer functions.

Indeed, Peter.  Greatly increased R-supp increases VHF-Q, which  
increases parallel-equivalent anode-R and that increases VHF  
amplification,

> However, I have strong disbelief in parasitics causing these  
> flashovers, but that's just me. There's something called  
> 'logarithmic decrement' comes to mind when there's talk of  
> ringing.......they talked a lot about in the days of spark (no, I'm  
> not quite that old, although I will plead guilty to occasionally  
> feeling so!)
> 73
> Peter G3RZP
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R L MEASURES, AG6K. 805-386-3734
r at somis.org