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Fw: Re: [AMPS] SB-220 Meter Movements

To: <amps@contesting.com>
Subject: Fw: Re: [AMPS] SB-220 Meter Movements
From: nospam4me@juno.com (skipp isaham)
Date: Fri, 15 Feb 2002 21:44:45 -0800
Hi Rich, 
-
Up until your post, I'd never thought about a justified 
reason to install a standby switch on an amplifier 
like the SB-220.  There is a valid reason after all. 
-
Every used SB-220 I've refurbished had the switch 
mounted because the owner thought the tubes 
needed a few minutes of warm up. 
- 
I will admit that I use the standby capacity while 
checking things out before regular operation. I 
always verify the drive levels and antenna system 
while the amplifier idles. Makes me feel better...
old habits die hard. 
- 
When I switch my amplifier off after modest use, 
I can hear the tubes "crinkle." 
-
cheers
skipp 
-
-snip-
>Normally I would just live with the unsightly holes many hams have 
>butchered into SB-220's to add an unneeded relay bypass switch...
-
Adding a switch to break the PTT path was a common trick for contesters.
It was needed to allow an instant band change to work a multiplier
barefoot
then return to the run band at full power. 
-
My guess is more were modified then not and keeping the switch retains
the flavor of the amp's contest history. 
-
Rich KL7RA




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