[Heathkit] Tube Tester IT-17

[manualman at juno.com]

Not true for many tubes. Although the "Type", "Fil.", and "Plate" values
are fairly consistent or close for tubes that are listed in both charts,
the settings for the "A through K" lever switches are not. Out of thirty
random samples of tubes numbers between both charts, only three of them
had the same position settings of the lever switches. Unless you want to
play mystery roulette with the testing of your tubes, I would use the
appropriate chart for your tube tester.

Pete, wa2cwa
http://www.manualman.com

On Sun, 7 Jul 2013 21:30:35 -0500 "Gerry Steffens"
<gsteffens at bevcomm.net> writes:
> Yes, according to a presentation at the recent Michigan Antique Radio 
> Club
> Extravaganza 2013 by a member of the Tube Collector's Group.
> 
> The data is the same for TC-1, TC-2, IT-17, IT-21,IT-3117.
> 
> Gerry
> 
> Cheers,
> Gerry
> 
> Radio Historian,
> Collecting E.H. Scott, McMurdo Silver, Hallicrafters,
> National, Zenith Transoceanic, & any other interesting
> radios & classic Oldsmobiles - Collection stands
> about 300 radios, 5 Olds
> 
> -----Original Message-----
> From: heathkit-bounces at mailman.qth.net
> [mailto:heathkit-bounces at mailman.qth.net] On Behalf Of Gary H. 
> Harmon, Jr.
> Sent: Sunday, July 07, 2013 9:20 PM
> To: Heathkit1 ; Heathkit2 ; Heathkit3 LIST
> Subject: [Heathkit] Tube Tester IT-17
> 
> Will the supplemental data for the TC-1, TC-2 and TC-3 work on the 
> IT-17
> tube tester??
> 
>  
> 
> 73,
> 
>  
> 
> Gary H. Harmon, Jr. - K5JWK
> 
> 6003 Archwood
> 
> San Antonio, TX 78239-1504
> 
> 210.657.1549h / 210.884.6926c/t
> 
>  
> 
> "Retirement means every day is a Saturday except Sunday"
> 
> http://www.grissomroadcoc.org
> 
>  
> 
>  
> 
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