4 thoughts on “Request: Dallas Rangemaster

  1. I replaced C1 with a 3.3 nF ( the closer to 4.7nf that i actually have ) and used as Q1: AC 128/01
    from top to ground Q1 is : CBE
    tnx harald, your page is awesome

  2. Sounds good..I used the old OC140 transistor..not sure abt the orientation of the pot lugs tho..wanted mine off board as there wasnt room in the box..when wired..it worked in reverse….swapped the end wires around and it was fine ( I may have had them wrong to start with lol )..loving the site..good work mate

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