[AMPS] SB-220

w8jitom@postoffice.worldnet.att.net w8jitom@postoffice.worldnet.att.net
Thu, 19 Jun 1997 14:41:18 +0000


> To:            w8jitom@postoffice.worldnet.att.net
> From:          philk5pc@connect.net (Phil Clements)
> Cc:            amps@contesting.com
> Subject:       Re: [AMPS] SB-220
> Date:          Thu, 19 Jun 97 16:12:56 +0000

> That guy chose the wrong tube for his operating style...had he chosen
> 3-500Z, 3-1000Z, oe 4-1000A, he would still most likely be on his
> original set. My comments were strictly limited to the SB-220. All
> bets are off on the ceramic tubes. I still step-start my 8877's, even
> though not required. My line voltage here is high and stiff!

The 3CX1200 series uses the same filament structure as the 3-1000Z, 
4-1000A, and similar tubes 

Are you saying the type of envelope affects the filament life?

73, Tom W8JI 

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