- 1. [Amps] Type 813 BP Pentode (score: 1)
- Author: "Harold B. Mandel" <ka1xo@juno.com>
- Date: Sun, 8 May 2005 08:49:25 -0400
- Gentlemen, Someone asked me to put together a quote for building them a four tube type 813 amplifier, and I wonder if any of you could direct me to a source of practical schematics so I don't reinven
- /archives//html/Amps/2005-05/msg00133.html (6,621 bytes)
- 2. Re: [Amps] Type 813 BP Pentode (score: 1)
- Author: Karl-Arne Markström <sm0aom@telia.com>
- Date: Sun, 8 May 2005 15:38:31 +0200
- For some ideas, take a look at: http://stevepage.netfirms.com/813_amplifier_2.htm or http://w7iuv.com/813.htm I sometimes run myself 4 x 813 in parallel (Va 2,8 kV, Ia 900 mA on the peaks), usually d
- /archives//html/Amps/2005-05/msg00134.html (8,807 bytes)
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