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#11
November 7th 06, 08:22 AM
posted to rec.radio.amateur.boatanchors
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Heathkit SB-240 PROTOTYPE !!!
On Mon, 6 Nov 2006 15:38:41 -0500, "W4LM"
wrote: SB230 had the 8873 final tube. W4LM "Dave" wrote in message ... Google search seems to indicate that the SB-240 final was/is an 8873 not two 3-500s. The 8873 was used in the conduction cooled amp (the 230 as mentioned above) which had a front panel *similar* to the one shown below, at least from a distance. Also different: the entire back panel was one great big, black, heatsink. snip You may take a look at it he http://home.online.no/~sindtorp/sb240front.JPG http://home.online.no/~sindtorp/sb240rear.JPG Regards, Sindre Torp, LA6OP http://home.online.no/~sindtorp Roger Halstead (K8RI & ARRL life member) (N833R, S# CD-2 Worlds oldest Debonair) www.rogerhalstead.com |
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