[R-390] Looking for 6C4's

[Jordan Arndt]

I tried to not respond, but I couldn't help myself..!

I rely on British NATO CV133 tubes in the mixers, because I find them 
quieter. I only wish I had picked up more of them back in the day when they 
were really cheap and available. I think the ones I have and have used are 
Brimar and have the British NATO markings on the tubes...

73,,,Jordan VE6ZT



----- Original Message ----- 
From: "Ken, W8EK" <kenw8ek at gmail.com>
To: <r-390 at mailman.qth.net>; "Grayson Evans" <wa4gvm at gmail.com>
Sent: Sunday, October 19, 2025 12:10 PM
Subject: Re: [R-390] Looking for 6C4's


>
> I have ten 6C4's available.  $5 each plus shipping.
>
> How many would you like?  If you send your zip code,
> I can figure exact shipping.
>
> Thanks.
>
> 73,
>
> Ken, W8EK
>
> Ken Simpson
> E-mail to W8EK at FLHam.net or W8EK at arrl.net
> Voice Phone  (352) 732-8400
>
>
>
> Grayson Evans wrote on 10/18/2025 12:38 PM:
>> I anyone has any NOS 6C4’s they would like to sell, please let me know.
>> I need a few.  THANKS in advance!
>>
>> 73, Grayson
>> KJ7UM
>>
>>
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