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 New Member - Cosmo
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 Return to top of page · Post #: 1 · Written at 6:20:12 PM on 8 October 2023.
Cosmo's Gravatar
 Location: Booragoon, WA
 Member since 8 October 2023
 Member #: 2583
 Postcount: 1

Hi all.

I am a retired electronics engineer who cut his teeth on thermionic valve technology back in the early seventies at good old Auntie ABC in Perth. Inevitably, as time passed I worked with the emerging discrete semiconductor technology, then came analogue IC's, then CPU's and IBM PC's and then software. It sets my head spinning to think how technology has moved on since I started work.
Anyway, now I have a couple of valve radios I need to renovate and the time to do it.
A Kriesler 11-28 bakelite( I believe) mantel radio - made in Australia about when I was born
An Eddystone S750 communications receiver of the same vintage.

So I'm trying to remember all that valve knowledge I once had.


 
 Return to top of page · Post #: 2 · Written at 6:34:02 PM on 8 October 2023.
Robbbert's avatar
 Location: Hill Top, NSW
 Member since 18 September 2015
 Member #: 1801
 Postcount: 2006

Welcome to the forum. Smile

The 11-28 looks like a nice radio - I've never seen one before, but it appears to be a conventional 5-valve radio.

Never seen a S750 either, but the specs look good - 480kHz to 32MHz, 10 valves.


 
 Return to top of page · Post #: 3 · Written at 6:59:00 PM on 8 October 2023.
STC830's Gravatar
 Location: NSW
 Member since 10 June 2010
 Member #: 681
 Postcount: 1249

Welcome to the forum Cosmo.

Below are two links that provide good introductory reading.

http://www.tuberadio.com/robinson/Information/Repairing_Valve_Technology/
https://nzvrs.com/peter-lankshear-articles/

There are some very experienced and knowledgeable members on this forum (not me) so don't hesitate to ask any questions that you have.


 
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