[AMPS] Sucking instead of Blowing (was - This guy is gotta be kidding!)

[Ian White, G3SEK]

2 wrote:
>Red or green ink turns toast brown at high temperature.  In a typical 
>SB-220 (blowing fan) or TL-922 (sucking fan), the marking ink on the 
>3-500Zs is still in 'mint' condition after even a decade of use. 

Can you remind us where the markings are in those two amps, for each of
the tubes, in relation to the 'upstream' side? (Just wondering how much
difference that makes.)

73 from Ian G3SEK          Editor, 'The VHF/UHF DX Book'
                          'In Practice' columnist for RadCom (RSGB)
                           http://www.ifwtech.com/g3sek

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