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Preamp cutting out on left side

My Manley Jumbo Shrimp pre amp is cutting in & out on the left side only . Opened up to look for cold solder joint , don't see anything obvious ....poked all the joints with wood stick...seems to cut in & out when I mess with the middle circuit board and the back plate of the box? Any ideas ? 
128x128tommypenngotti
tommypenngotti's avatar
tommypenngotti OP
219 posts
 
The reseating of all the tubes has seemingly solved the issue “for now”…it’s been 2 weeks and no cut outs , I’ll report back after more time passes , thanks for the help . 
ghdprentice
7,189 posts
 
Tube equipment these days tend to be very reliable. The non-tube stuff is usually rock solid in high end gear. Tubes are pretty reliable as well, but it never hurts to have an extra set of tubes around. If something happens, then swap tubes.
tommypenngotti's avatar
tommypenngotti OP
219 posts
 

just to put a period on this problem ...it was the selector switch of my Manley Jumbo Shrimp Preamp that went bad and was causing a short on left side...replaced , all ok . 

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