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1. [AMPS] Re: Building of First amp - 813 (score: 1): Author: jmellis@ihug.co.nz (Martin Ellis); Date: Thu, 12 Feb 1998 10:11:36 +1300; Hello John, The 813 is a very rugged tube and has the reputation of being almost indestructable in amateur service. It is common to use it as a triode. The main limitation of the 813 in conventional; /archives//html/Amps/1998-02/msg00072.html (8,343 bytes)
2. [AMPS] Re: Building of First amp - 813 (score: 1): Author: nasfred@1bigred.com (nasfred@1bigred.com); Date: Wed, 11 Feb 1998 17:51:55 -0500 (EST); Hello John, W4MB had an article in Ham Radio a number of years back describing the construction of a amp. with three 813s in grounded grid and I believe it covered 40 thru 10 meters. If interested, l; /archives//html/Amps/1998-02/msg00073.html (8,595 bytes)

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