[Boatanchors] 810 tubes

[Darryl Ledden]

810s triode use as push pull audio amp/ modulator will due 500 pluss watts of class B audio old time ham rig = 4-1000 modulated by pair of 810 Darryl WA5TOO 

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  On Tue, Jun 14, 2022 at 9:02 PM, Gary Hitchner<talgarth at comcast.net> wrote:   Hi Don, I am not sure or not a expert in all the applications of a 810.  I
am sure it was  used in one of the military transmitters, not sure of the
model number.
I am sure there are experts that have this info.
73,
Gary
WA2OMY

-----Original Message-----
From: boatanchors-bounces at mailman.qth.net
<boatanchors-bounces at mailman.qth.net> On Behalf Of Don Stalkowski
Sent: Tuesday, June 14, 2022 9:54 PM
To: boatanchors at mailman.qth.net
Subject: Re: [Boatanchors] FS 810 tubes

What are 810 tubes used in? I've got one plus a socket plus a
45 lb transformer that apparantly powered it but I was told it was from a
medical device.

Don
VE3HUR

On Tue, Jun 14, 2022 at 09:06:53PM -0400, Gary Hitchner wrote:
> Tubes have been spoken for,
> Gary
> WA2OMY
> 
> -----Original Message-----
> From: boatanchors-bounces at mailman.qth.net
> <boatanchors-bounces at mailman.qth.net> On Behalf Of Gary Hitchner
> Sent: Tuesday, June 14, 2022 9:04 PM
> To: boatanchors at mailman.qth.net
> Subject: [Boatanchors] FS 810 tubes
> 
> Offering to the list 1st,
> 
> Qty 4)  810 tubes,  two NOS Cetron,  one Ken-Rad marked weak with a 
> question mark, one RCA marked soft.
> 
> Pictures at:
> 
> https://www.qsl.net/wa2omy/810-2.jpg
> 
> https://www.qsl.net/wa2omy/810-1.jpg
> 
> https://www.qsl.net/wa2omy/810-3.jpg
> 
> The filaments have been tested on the two used tubes at 10V, tubes 
> have clear glass, but again marked used.
> 
> $90.00 for all 4 tubes, + ship from 19403.
> 
> TNX,
> 
> Gary
> 
> WA2OMY
> 
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