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Old 6th Jul 2019, 9:24 pm   #5
vishalk
Pentode
 
Join Date: Aug 2017
Location: North London, UK.
Posts: 114
Default Re: Armstrong 621 and 625 rebuild and transplant

Quote:
Originally Posted by Trevor View Post
First thing of note all output capacitors on both units are showing signs that they need to be replaced I would also expect the mains supply cap to be in a similar state Not a big job to change though
What test gear do you have ?
Trev
Hi trevor i have two DMM, a variac, hand held oscilloscope (which i am still learning to use) i can make a light bulb tester, got a component tester for the transistors and caps, all cheap amazon ebay buys.
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