script56 Posted January 23, 2015 Report Share Posted January 23, 2015 Can anyone explain exactly what these parts are? The larger ones are from a very early ar1 cabinet with the strap connections and the smaller units are from a later cabinet with the potentiometer. Link to comment Share on other sites More sharing options...
JeffS Posted January 23, 2015 Report Share Posted January 23, 2015 The second picture looks like an 8 microfarad cap. The others are likely oil filled caps. Link to comment Share on other sites More sharing options...
RoyC Posted January 23, 2015 Report Share Posted January 23, 2015 Yup, they are all oil filled caps. AR would connect them in parallel to achieve required values. Unless you see leakage they are very likely to measure on the money. There is seldom a need to replace them.Roy Link to comment Share on other sites More sharing options...
script56 Posted January 23, 2015 Author Report Share Posted January 23, 2015 How do you measure them and what's normal range? Link to comment Share on other sites More sharing options...
RoyC Posted January 24, 2015 Report Share Posted January 24, 2015 How do you measure them and what's normal range?You will need a meter that measures capacitance (see link below), and a schematic (I don't have one to post). The caps also have the values printed on them. Add up the values printed on each cap of the bundled ones to get the total capacitance. To be honest, I would not use an AR-1 as my first project...and, as I mentioned above, the oil filled caps are probably fine.http://www.parts-express.com/cat/lc-lcr-meters/540Roy Link to comment Share on other sites More sharing options...
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