Re: [Amps] SB-220 bias question

["Joe Subich, W4TV" <lists@subich.com>]

> but how could that possibly be hazardous? 

The higher circulating currents will very likely cause 
the pi-network coil or bandswitch to fail.  But then 
the failure will probably be blamed on a parasitic 
rather than misuse. 




> -----Original Message-----
> From: amps-bounces@contesting.com 
> [mailto:amps-bounces@contesting.com] On Behalf Of Bill, W6WRT
> Sent: Saturday, August 29, 2009 8:33 PM
> To: amps@contesting.com
> Subject: Re: [Amps] SB-220 bias question
> 
> 
> ORIGINAL MESSAGE:
> 
> On Sat, 29 Aug 2009 18:02:32 -0400, "Joe Subich, W4TV" 
> <lists@subich.com> wrote:
> 
> >
> > Running an amplifier in
> >a mis-tuned condition (tune for 1500 W Output and drive 
> >to 800 W Out) is hazardous and inefficient. 
> 
> REPLY:
> 
> Inefficient, yes, but how could that possibly be hazardous? 
> 
> Bill W6WRT
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