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Post subject: 1970s vibrolux 'popping' noise from Vibrato
Posted: Wed Dec 31, 2008 11:23 am
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I have a sweet 1977 Vibrolux Reverb, no complaints since I became the second owner in 1992. It has recently been making a noise, it's coming from the oscillator on the Vibrato/Tremolo, it pops continuously, but not very loudly. It changes speed with the speed control. Anyone know which component I need to replace? My scope is broken and I can't trace it on my own bench

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Jim Cox
1976 Gibson Bicentiennial Firebird
2006 American Std HSS Strat
2007 Les Paul Classic


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Post subject: Re: 1970s vibrolux 'popping' noise from Vibrato
Posted: Sun Jan 18, 2009 3:56 pm
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coxster wrote:
I have a sweet 1977 Vibrolux Reverb, no complaints since I became the second owner in 1992. It has recently been making a noise, it's coming from the oscillator on the Vibrato/Tremolo, it pops continuously, but not very loudly. It changes speed with the speed control. Anyone know which component I need to replace? My scope is broken and I can't trace it on my own bench

Thanks

Jim Cox
1976 Gibson Bicentiennial Firebird
2006 American Std HSS Strat
2007 Les Paul Classic
Make sure all connections are clean and tight, also spray the pots with a good contact cleaner. If this is a tube amp I would try checking the tubes first. If that fails to resolve the popping the capacitors need to be checked. If this fails you may need to find a competent service technician . ARC, Affinity, Reality, Communication, Carroll 2009 Jan. 18 [/quote]


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