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Audio and Video Talk
Valves / Vacuum Tubes
AVO MK I Valve Tester
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<blockquote data-quote="Ampdog" data-source="post: 692799" data-attributes="member: 144"><p>Yikes! A long time ago -</p><p></p><p>and it was some labour to repair one of those what with all the transformer taps. And after some idiot dialled in the wrong connections and put something like 250V across filaments, and the fuse was previously replaced by cigarette box foil ....</p><p></p><p>What again was the difference between Mk I and Mk II (apart from the book compartment)? I mostly recall using a Mk IV at our lab, although there was an old Mk II.</p></blockquote><p></p>
[QUOTE="Ampdog, post: 692799, member: 144"] Yikes! A long time ago - and it was some labour to repair one of those what with all the transformer taps. And after some idiot dialled in the wrong connections and put something like 250V across filaments, and the fuse was previously replaced by cigarette box foil .... What again was the difference between Mk I and Mk II (apart from the book compartment)? I mostly recall using a Mk IV at our lab, although there was an old Mk II. [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
AVO MK I Valve Tester
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