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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Belton springline reverb repair
Dropped cab , a source for a lost ferrite cylinder ? IF transformer core
drilled through ? or something used in a more audio range, I cannot think of anything suitable Is the metal connecting the end of the spring to the glue point at the end of the yellow plastic cylinder mount? other than strong enough to take normal knocks, presumably not copper, I could use tungsten or ni-chrome is the smallest diameter the best assuming strength is adequate or is it rigidity o flexibility that is the criterion in less camping of response. -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
#2
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Belton springline reverb repair
or in English
Dropped cab , anyone know of a source for the lost ferrite cylinder ? IF transformer core drilled through ? or something used in a more audio range, I cannot think of anything suitable Is the metal connecting the end of the spring to the glue point at the end of the yellow plastic cylinder mount critical. Other than strong enough to take normal knocks, presumably not copper, I could use tungsten or ni-chrome. Is the smallest diameter the best choice assuming strength is adequate or is it rigidity / flexibility that is the criterion in less damping of response. -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
#3
Posted to sci.electronics.repair
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Belton springline reverb repair
The original wire ends were 0.15mm probably phosphor-bronze. Only similar to
hand was 0.06mm tungsten wire. To reuse the broken ferrite I had to heat up to slide off the wire and the glue. Replacement one was an RF bead. This spring was much closer pitch than the other 2 springs. Replacing and testing the response at either end, compared to activating each of the other springs (lightly sliding a toothpick along) was about 1/10 of the response. Difference a function of the spring characteristic or the wrong metal wires at the ends or because the this spring is in a different position in the pickup laminations ? Presumably not due to heating as that was on only one of them -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
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