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PostPosted: Tue Jun 25, 2013 9:37 am 
Retro Guru
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Joined: Thu Oct 13, 2011 9:30 am
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Location: Malvern
What's up with 'em?


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PostPosted: Tue Jun 25, 2013 2:55 pm 
Old School Grand Master
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Location: uk
i had one of those tuners...very nice sounding :D


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PostPosted: Tue Jun 25, 2013 9:41 pm 
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Location: Malvern
Dammit!

Not concentrating on what I was doing, other things on my mind. Managed to connect -15VDC to my headphones (dont ask!)

1 pair of Bose Triports toasted. F**k!


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PostPosted: Wed Jun 26, 2013 7:35 am 
King of the Skip Monkeys
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Joined: Wed Nov 07, 2007 4:34 pm
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Location: Moomin Valley
But have you ever managed to grab both sides of a live transformer whilst it was plugged in?


Bzzzzzzzzzzzzzzzzzzzzt!


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PostPosted: Wed Jun 26, 2013 8:00 am 
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Location: Malvern
Of course! Who hasn't? It's a rite of passage for all electronics engineers.

Also burned a hole through a thumbnail on the HT Cap of an old CRT telly whilst summer working in my mates brother's telly shop.

Worst of all was touching the output of a Plessey AR15 radar pulse transformer with a screwdriver because I'd been too lazy to find an insulated one to adjust something. Seem to recall that was 9kV, which left me dazed with a bruise up my right arm, though it was never as scary as climbing up the back of the antenna reflector to change the anti-collision lights at the top of the tower - that used to properly sh*t me up! :D

Luckily I'd learned to work with my left hand in my pocket - as taught to all HV electronics folk - or I might not be here telling the story. :D


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PostPosted: Thu Jun 27, 2013 1:11 pm 
Old School Grand Master
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Location: uk
i used to do static powder coating........i don't advise touching the thing your about to coat and pulling the trigger on the gun at the same time.......only did it once.......bbbrrrrddd...


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PostPosted: Thu Jun 27, 2013 10:17 pm 
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Location: Malvern
Just need to fit connectors and power switch to back panel, and the headphone amp is ready to go. Knob is home made t'other day when I felt like lathe'ing' for a bit. Will probably fit a slightly smaller aluminium one.

Image

Image


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PostPosted: Fri Jun 28, 2013 7:18 am 
Old School Grand Master
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big knobs are good for headphone amps.................as having volume just right is more important for headphone listening it seems...........whats inside ? :?:


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PostPosted: Fri Jun 28, 2013 7:55 am 
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Location: Malvern
greenstiles wrote:
.......whats inside ? :?:


See the board at the top of the page.


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PostPosted: Fri Jun 28, 2013 10:34 am 
Old School Grand Master
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Location: uk
it looks very simple, what are all those big tall things at the back ?


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