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  #1  
Old 2006-04-18, 19:33
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ancient tube power amp/stereo

my dad has an acient tube power amp from like the 60's-70's. it has a burnt tube. but the only problem is that the tubes dont look like any tubes i've ever seen. ill get some pics up but i need help finding which is the tube.

its a kenwood KVA-503.
i wanna fix it with out going to a repair shop, cuz their charging $180. waste of money
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ibut i wouldnt get any help at a slipknot board, theyre struggling with palm muting!

Last edited by YJM04 : 2006-04-18 at 19:36.
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  #2  
Old 2006-04-19, 07:17
Timur Timur is offline
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Isn't there any text on the tube?
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  #3  
Old 2006-04-19, 10:28
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hmm, you'd prolly end up looking for some rare tubes that haven't been used since the '70's
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  #4  
Old 2006-04-19, 19:04
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Very probable,valve's are 'out of date' now,anyway.
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  #5  
Old 2006-04-20, 16:17
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its been raining non-stop lately, so i havent grabbed the stereo cuz its in my shed right now. due to the bottom of it being rusty. i highly dought its valves.
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ibut i wouldnt get any help at a slipknot board, theyre struggling with palm muting!
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  #6  
Old 2006-04-20, 19:19
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Than how does it have a burnt out tube?
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  #8  
Old 2006-04-25, 22:11
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the pictures are up.... is anyone gonna help me or what!?!?!
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ibut i wouldnt get any help at a slipknot board, theyre struggling with palm muting!
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  #9  
Old 2006-04-25, 22:24
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I cant see any tubes in there?Looks s.s. to me.
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  #10  
Old 2006-04-25, 22:43
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Quote:
Originally Posted by *insert name here*
I cant see any tubes in there?Looks s.s. to me.


yes
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  #11  
Old 2006-04-25, 23:12
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hmmm.. i dought its a solid state. did they have solid state amps in the 70's.
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ibut i wouldnt get any help at a slipknot board, theyre struggling with palm muting!
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  #12  
Old 2006-04-25, 23:32
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They did, and I would bet on its being solid-state.
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  #13  
Old 2006-04-25, 23:36
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In that case,might need a new power supply.See if their is any burnt out components.
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  #14  
Old 2006-04-25, 23:37
xdislexicx xdislexicx is offline
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not a single tube in that amp... in order for it to be a tube amp it needs to have tubes.
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  #15  
Old 2006-04-25, 23:39
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alright. will do.
thanks a bunch. if it doesnt rain anymore ill check it out.
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Quote:
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ibut i wouldnt get any help at a slipknot board, theyre struggling with palm muting!
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  #16  
Old 2006-04-26, 00:09
Doktorskell Doktorskell is offline
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Christ on a stick man. Have you ever even seen a Valve?

That thing you keep focusing on attached to the heat sink is Not a valve

This is a valve
http://www.eifl.co.jp/index/tube/im...llard_ecc83.jpg

so are these
http://www.nostubes.com/offers/mullard_quad.jpg

so is this fat little prick
http://store1.yimg.com/I/thetubestore_1892_6151084
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  #17  
Old 2006-04-26, 02:03
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What you think are the tubes in there (the two black cylindrical components on the right), are in fact capacitors to filter the power supply. And that weird copper tube with the little fins coming off of it is a heatsink, also to do with the power supply- its attatched to the voltage regulators. I'd suggest checking the main fuse if you haven't already, then see if there are any other fuses in the power supply section. Then as *insert name* said, check for any burnt out components (hint, if you take the PCB's out and have a look on the underside, any burnt out components will be easier to spot where the solder has changed structure due to the overheating)

Enjoy
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  #18  
Old 2006-04-26, 20:37
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c'mon guys those could be sorta mistaken for preamp tubes with covers.
but it really looks like its in pretty good shape, pretty clean.
anyways...its good to talk to yall again.
anyone ever heard of "the fall of troy"? its not metal and it may even be mistaken for emo but its pretty cool. actually i really freakin love it. the guy cant sing all that well, but his screams are pretty cool.
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nah man, nah, I had an itchy ballsack!


forget wall of marshalls look at this wall of engls!
http://www.engl-amps.com/pics/newsp..._stevemorse.jpg

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  #19  
Old 2006-04-27, 00:15
xdislexicx xdislexicx is offline
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Quote:
Originally Posted by arvina
anyone ever heard of "the fall of troy"? its not metal and it may even be mistaken for emo but its pretty cool. actually i really freakin love it. the guy cant sing all that well, but his screams are pretty cool.

haha off topic as hell, but i love that band so i'll allow it. tom's an asshole, he's so good.
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  #20  
Old 2006-04-28, 06:22
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ha i figured if i diddnt skip a lne and ask it would be disregarded as an offtopic last comment
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friends don't let friends play krank.


Quote:
Originally Posted by Def
nah man, nah, I had an itchy ballsack!


forget wall of marshalls look at this wall of engls!
http://www.engl-amps.com/pics/newsp..._stevemorse.jpg

www.tdiclub.com
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