[Amps] 9 x 3-500Z Glass Glowing tubes

Fuqua, Bill L wlfuqu00 at uky.edu
Mon Feb 27 13:29:14 PST 2012


My question is , how long do you have 9 matched 3-500z tubes. 
Once they begin to drift from spec the weak ones get weaker and the
good ones get worked harder. 
73
Bill wa4lav

________________________________________
From: amps-bounces at contesting.com [amps-bounces at contesting.com] On Behalf Of Pete Smith N4ZR [n4zr at contesting.com]
Sent: Monday, February 27, 2012 2:53 PM
To: amps at contesting.com
Subject: Re: [Amps] 9 x 3-500Z Glass Glowing tubes

Let's see... 9 x 3-500s on 27 MHz.  Must be interesting grid and plate
circuits.  1 kw to drive?

73, Pete N4ZR
The World Contest Station Database, updated daily at www.conteststations.com
The Reverse Beacon Network at http://reversebeacon.net, blog at reversebeacon.blogspot.com,
spots at telnet.reversebeacon.net, port 7000 and
arcluster.reversebeacon.net, port 7000


On 2/27/2012 2:43 PM, Eddy Swynar wrote:
> On 2012-02-27, at 2:15 PM,<jerryjtb at comcast.net>  <jerryjtb at comcast.net>  wrote:
>
>> EBay nine tuber for your enjoyment.
>>
>> Item number.200719861024
>>
>> Just when you thought six was bad enough !
>>
>
> Hi Jerry,
>
> Gotta give those 11-meter power jockeys some credit---that's a pretty creative outfit, bar none!
>
> ~73~ de Eddy VE3CUI - VE3XZ
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>
_______________________________________________
Amps mailing list
Amps at contesting.com
http://lists.contesting.com/mailman/listinfo/amps


More information about the Amps mailing list