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checking out a Studer B67 tomorrow -- what should I look for?
Old 1st May 2015
Gear Head

Piscine, I know you said to leave them alone, but considering it's slightly melted, should I change the one pink capacitor? If so, what should I use?

Old 2nd May 2015
Gear Head
piscine's Avatar

Regarding the pink capacitor, it's a 0.47 uF metallized polyester (MP) capacitor. I guess that it should not have been affected by the melting of the resistor... to be sure, you would have to desolder it and test its value with a capacitance tester (in-circuit testing can never be trusted 100% because of the interaction with the other components). If you definitely want to replace it, choose one from WIMA (german manufacturer): they are high-grade capacitors, Studer used them all over their 80's designs ;-) Be sure to use one that is both the same pitch as the original ("pitch" is the width between the legs of the component, very often a multiple of 0.1 inch) and at least rated for 100V or more.


Last edited by piscine; 2nd May 2015 at 07:33 AM.. Reason: Saw your second posting... ;-)
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