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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+Type\s+813\s+BP\s+Pentode\s*$/: 2 ]

Total 2 documents matching your query.

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 Markstr&ouml;m <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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