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Old 17th April 2011, 11:21 AM   #121
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Quote:
Originally Posted by Salas View Post
Lets see who does the first one. We have early British & Australian interest but Irish outsider late entry may steal the contest.
Not likely to be me at the rate Irish is running, I only have my valves and sockets. Plus, I'm off to the 5 day Blues and Roots festival in Byron Bay on the east coast of Aus; leaving in a couple of days until the end of April. Bob Dylan headlining, BB King, Elvis Costello... the list is endless. I'm afraid the pursuit of reproduced music will have to give way to the real thing for a while.

Best of luck lads. I'll check in to catch up on progress when I return... if I survive.

T
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Old 18th April 2011, 07:46 PM   #122
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Caps on their way from Greece and Ukraine......
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Old 18th April 2011, 08:07 PM   #123
Salas is online now Salas  Greece
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From Greece? What, olive oil PIO? :-)
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Old 18th April 2011, 09:03 PM   #124
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Rolled on the thighs of aphrodite I'd like to think.....
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Old 18th April 2011, 09:08 PM   #125
Salas is online now Salas  Greece
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Indebted to Olympian gods? We Irish and Greek know a few things about Olympic size debts. LOL!
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Old 18th April 2011, 09:42 PM   #126
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Old 18th April 2011, 09:45 PM   #127
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Thinking about aphrodite was nicer.....

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Last edited by woodturner-fran; 18th April 2011 at 09:48 PM.
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Old 20th April 2011, 10:51 PM   #128
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The partridge step ups and the small components arrived today.....
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Old 24th April 2011, 04:59 PM   #129
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Progress has been made....

I have the 2 heater supplies made up and also the HV shunt and all verified working OK.

But I have a couple of questions:

SSHV shunt: I have a transformer with 260V out, I'm getting 320V after the first cap and ~300V after the second cap. What is the output voltage I should set it at? Is 280V enough of a drop?

I have this really strange thing on the heatsink (both the 840 and 9240 mounted, using insulators, no continuity between any part of fet and the sink) - I get a floating voltage rising to about 30V on the sink. Doesn't go higher.... No continuity though....


Last question for now:

I have some choices for boxing up. Is it better to have a box with just the transformers, and then the regulated supplies near the valves, or should I put all the PSU stuff in one box and only have the circuit and nothing else in the second chassis?


Thanks all,

Fran
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Old 24th April 2011, 05:16 PM   #130
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Regs same box like phono box.
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