[Boatanchors] Testing 01A and 301A tubes

[Don Merz via Boatanchors]

This is a great tip!
      From: Al Klase <ark at ar88.net>
 To: "BOATANCHORS at MAILMAN.QTH.NET" <BOATANCHORS at MAILMAN.QTH.NET> 
 Sent: Friday, December 19, 2014 9:18 PM
 Subject: Re: [Boatanchors] Testing 01A and 301A tubes
   
Joe,

My quick-and-dirty solution: Use the setting for type 26 on whatever 
tester you have. Advance the filament voltage control to 5 volts.

26 is basically the AC version of the 201A, filament voltage is reduced 
to 1.5 volts to beat the hum.

Close enough for government work!

73,
Al

Al Klase – N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/

On 12/19/2014 3:49 PM, Joe W2KJ wrote:
> I just picked up a nice Atwater Kent 20 receiver (big box) and checked the filaments of the tubes and they were OK...so far so good.
>
> I have a Hickok 752A tube tester but there is no listing for these tubes.....there is a 4 pin socket on the 752A in which the tubes will plug in and fit.
>
> I've seen where folks have tested these tubes on a TV7 (essentially same circuit as 752A).
>
> Any suggestions on how to test these tubes on my 752A?
>
> Settings in particular??
>
> Many thanks for any assistance...I'd like to get this fine receiver back up on the air again.
>
>             73, Joe W2KJ
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