[Boatanchors] Old 813 XMTR Circuit

Bob Wilson rwilson at hiwaay.net
Wed Aug 29 18:38:45 EDT 2018

No, but I have a lot of respect for the 813 tube.  I once had a GG linear
using two of them.  It was OK but then I modified the PS to up the voltage
to where it should have caused problem and it was great.  3000 volts at
500MA and 1000 watts out.  No color on the tube. This was 75M only.  A very
tough tube.


-----Original Message-----
From: Boatanchors [mailto:boatanchors-bounces at puck.nether.net] On Behalf Of
Wilson Lamb
Sent: Wednesday, August 29, 2018 4:49 PM
To: boatanchors
Subject: [Boatanchors] Old 813 XMTR Circuit

Has anyone ever seen an operating example of the RCA Ham The 813 xmtr from


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