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Harvey Wells TBS50D




 
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Author Topic: Harvey Wells TBS50D  (Read 644 times)
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G4OJY
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« on: September 19, 2021, 12:06:28 PM »

I've just imported a Harvey Wells TBS50D transmitter from the US. The manual shows that the correct PA tube is an 807, whereas mine has a 6146 fitted. Does anyone know if this was an official modification or not, has it featured in any old radio magazines in the US?

Thanks

Andy G4OJY
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W3GMS
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« Reply #1 on: September 19, 2021, 01:57:13 PM »

Hi Andy,

I have never heard that Harvey Wells produced any of the TBS series with a 6146 final tube.  It is more likely that someone who previously owned the rig did the conversion. 

73,
Joe-GMS
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Simplicity is the Elegance of Design---W3GMS
MikeKE0ZUinkcmo
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« Reply #2 on: September 19, 2021, 11:36:53 PM »

Agreed, I've never seen one with anything other than an 807 for the PA.
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Mike KE0ZU

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N3GTE
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« Reply #3 on: September 20, 2021, 09:55:44 AM »

Hi Andy

What you are looking for is this: https://www.swedeart.com/harvey/html/bulletins.html Check out #15. Rumor has it that it doesn't make much of a difference between the 807 or 6146.

Cheers
Terry N3GTE
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Patrick J. / KD5OEI
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« Reply #4 on: September 20, 2021, 10:50:02 AM »

It almost seems the 6146 was made to honor the 807's ubiquitous usefulness as form factors and vacuum tube technology changed.
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« Reply #5 on: September 22, 2021, 10:14:31 AM »

It's also mentioned in the Swap and Shop article.  https://www.swedeart.com/harvey/html/tbs-50.html

Terry 
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