[Heathkit] SB-200 Problem

[jbrannig at optonline.net]

This is the second time this week that I posted a simple, straight forward message and got a snotty response from some self proclaimed "water walker".

I'm done.........




----- Original Message -----
From: km1h <km1h at jeremy.mv.com>
Date: Tuesday, May 24, 2005 9:58 am
Subject: Re: [Heathkit] SB-200 Problem

> 
> >> Id start by removing the Measures mods as they are voodo science.
> >> Its not
> >> easy to find 33-47 Ohm 2W carbons these days but Id rewind
> >> original spec
> >> parasitics.
> 
> 
> > I've had Measures parasitic suppressors in my SB-220 for years.
> > There is no switch arching, spitting or strange noises.
> > Voodoo, yes, effective, absolutely......
> > Jim
> 
> 
> You would have the same results by doing some basic PM and 
> replacing the 
> parasitic resistors every 10 years or so. Ive had several 200's 
> (of the 
> roughly 300 Ive done) in here for 6M conversions that had the 
> resistors in 
> the low KOhm range and still no arcing switch.
> 
> The grid circuit voodoo does nothing but decrease stage gain so 
> you need 
> more drive for the same output. As long as grid current is kept 
> within the 
> safe range there is no damage to the tubes; any extra power is 
> simply added 
> to the output.
> 
> It often amazes me that so many havent a clue to how a GG amp 
> works. And 
> then spend money on junk from someone else with the same lack of 
> understanding.
> 
> Carl
> KM1H
> 
> 
> 
> 
>