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Old 23rd Jan 2020, 10:00 pm   #2
Sideband
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Join Date: Oct 2003
Location: Croydon, Surrey, UK.
Posts: 5,576
Default Re: Correct Output Valve for Philips 274A (PM24M)

These are getting difficult to find. Last year I was able to buy a (very) good used one for my 274A from Langrex for 15. Might be worth checking to see if they have another. Check eBay and their eBay shop as well.

The Osram PT4 is also a reasonable equivalent but they are just as rare
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