I've just been replacing lots of DUD 100uf 16v caps in a Sonifex S2 Mixer
So many were Dud, I though my Cap tester was faulty, Surface mount ones seem to be a real problem nowadays
Sounds like a real team effort at Orfordness,
Reading the Harris manual, and posts from the USA, It sounds like the protection circuits are a bit fussy of the 3 phase supply
Each of the Power amp modules, has 4 Mosfets in a bridge arrangement, to drive the torroid primary
I Have sorted lots of bad connections in Radio Comms kit, due to the Ribbon connectors, not being Squashed hard enough, onto the ribbon
Without having a 'proper' tool, I found a small Vice did a good solid job,
Same type as in Mixing desk Ribbon connectors, a problem when manufactured, not pushed right home, on the forks of the IDC connectors
Rod Watts
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