unused vintage equipment that doesn't work.

 :

5/18/2000 12:43 AM

JC

unused vintage equipment that doesn't work. I have a friend that has lots a few early '60's amplifiers that were left "forgotten" for years on a warehouse. Klemt (sp?) Echolete's (Germany) and Binson's.     But none of them work, allthough they have never been used (they were for selling, when they shut the store)     Different brands... and as far as I have seen, they all exhibit short circuit problems (fuses that blow inmediatly, and all that)     What could the main problem be? (And solution, if possible)   Humidity over the long years on the transformers, maybe?     JC

 

5/18/2000 1:22 AM

steveR

They're totally useless. Send them all to me and I'll take care of disposing of them for you.     Just kiding! It sounds like all the electrolytic filter caps are dried out or leaky. Replace all these and you should have a number of nice near mint condition vintage pieces. It's possible there could be some corrosion issues, but check the caps first.     The caps should all have a capacitance value (in mfd) and a voltage rating (in volts) indicated on them. Write these values down so you can replace them with the closest modern equivalent.     You can get caps from Antique Electronic Supply at http://www.tubesandmore.com. Note that if you can't find exact matches, the replacements should not be less than the originals for the voltage rating. The replacement voltage capacity can be any value that's higher than the original. (If the originals were rated at 400 volts, 500volt replacements would be GOOD) The actual capacitance value (probably around 20 -40 mfd) should be as close as possible to the original since too high a value can be a problem if there are tube rectifiers. Plus or minus ten mfd is probably the most you would want to stray from the original values.     Good luck.     steveR

 

5/18/2000 12:09 PM
JC	That sounds great.   I'll try to fix at least one of them, to gain his confidence on my repairing habilities.     >>>They're totally useless. Send them all to me and I'll take care of disposing of them for you.     I liked that one too.   Thanks for all.     JC

 

5/18/2000 3:54 PM
Greg N.	JC ,     I would double check that they are made to run on the mains voltage available wherever you are .   e.g. if they are made to work with 110vac and your mains supply is 220-240vac this might be the cause of all of the blown fuses . Just a thought .     Greg.

 

5/18/2000 11:01 PM
JC	Thanks, Greg.     The power transformers have plenty of inputs, including 220vac.     I found two bad double electrolythics allready on the first of the amps. Some of those that went (go?) inside the same container.     JC

 

Page 1 of 1