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Re: [Amps] Henry 2K desktop amp

Subject: Re: [Amps] Henry 2K desktop amp
From: Victor Rosenthal 4X6GP <>
Date: Sat, 29 Jun 2019 19:22:19 +0300
List-post: <>
Some Henrys have the filaments in series, but if one tube is not lit, that isn't the case with yours! Anyway, you can pull out the dead one and it should more or less behave in exactly the same way as it is now, except the plate tuning will be off a little due to the reduction in output capacity with only one tube.

Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
On 27/06/2019 18:46, Ted Rachwal wrote:
All of a sudden I have a very high swr between the rig and amp...3:1.... I notice one of the 3500Z tubes is not lit.  I'm wondering if I can pull the unlit 3-500Z and try the amp to see if the issue is the tube or some other part.  I have pulled a suspect 572b and 811 in the Ameritron series of amp and all was ok but wonder if the remaining 3-500Z would be damaged if I tried this trick?  Anyone have a thought here?



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