To: | tentec@contesting.com |
---|---|
Subject: | Re: [TenTec] Titan 425 Meter lamps? |
From: | John Oglesby <john91@charter.net> |
Reply-to: | Discussion of Ten-Tec Equipment <tentec@contesting.com> |
Date: | Sat, 02 Oct 2010 20:46:34 -0400 |
List-post: | <tentec@contesting.com">mailto:tentec@contesting.com> |
After opening the amp, the lamps are 1820s in parallel. John On 10/2/2010 6:59 PM, Dr. Gerald N. Johnson wrote: > The lamps could be in parallel. The schematic is badly drawn. Two on > line vendors of lamps > http://www.donsbulbs.com/cgi-bin/r/b.pl/1820|28v|0.1a~usa.html > and > http://bulbster.com/lightbulbs/eiko-1820bts-49790-p-2306.html > claim the lamps are 1820 but two 1820 in parallel at 28 volts will draw 200 > milliamps and fry that 20 ohm 1/2 watt resistor with 0.8 watt dissipation. > > 73, Jerry, K0CQ > > _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec |
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