[AMPS] Amperex 3-500Z's again

[wa2moe@doitnow.com]

At 07:26 PM 3/30/97 EST, you wrote:
>I received a good memory tweak from AF2C about Amperex tubes in Drake
>amps. Went down into the dundgeon and read the L-7 manual...the L-4 is
>similar.
>
>In the Maintenence section it lists expected idling currents for the
>following:
>
>TUBE          	CW     	   SSB  
>Amperex 3-500Z       100ma        160ma
>Amperex 3-400Z       100ma        160ma
>Eimac 3-400Z           110ma        170ma
>Eimac 3-500Z           170ma        220ma
-----
My L-4ZB manual lists the idling plate current for the Eimac 3-500Z in SSB
at 260ma.  was there a change in the tube, the manual or the keyboard?

73


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