[Amps] soft start on filament

[Hsu]

It is due to the current inrush, that 'll led to  large magnetic force and damage the filament.Another reason is the current inrush will led to the main fuse burn or the trip switch active. 
      73!Hsu

----- Original Message ----- 
From: "???????????? ??????????" <panos2 at otenet.gr>
To: <amps at contesting.com>
Sent: Sunday, August 29, 2010 1:30 PM
Subject: [Amps] soft start on filament


> hello 
> 
> what do you mean soft start on filament  ?? 
> linear slowly warm up ?
> step warm up ?
> and if so why is call it instant ?
> regards panos
> 
> SV4JYI
> 
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