Building a headphone amp

Feb 18, 2012 at 11:01 AM Thread Starter Post #1 of 3

kingtom

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Hi I've decided to try my hand at making my own headphone amp. I am very much a novice and after downloading loads of ways to do it have found myself struggling. One problem i am having is finding the numbers of each pin on the volume control switch. In my list of parts I got, it says I can use 1 of 2 different volume switches. I chose to use the one not used in the step by step guide (alps RK097 RS part number 249-9159) instead of the Panasonic EVJC20 Digi-Key part number P2U4103. The reason for this is simple. As iam in the uk and digikey is US postage is four times the amount than RS. Can any one help me to find out the pin numbers of the Alps? It would be most helpful
Tom
 
Feb 18, 2012 at 12:00 PM Post #2 of 3

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