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rotary switch

  1. James Cox

    Citation II bias switch

    So I've got myself into a bit of a jam and hoping someone here may be able to help me out. My citation ii recently had a bit of a meltdown while I was attempting to set the bias on my tubes while switch from triode back to ultra linear. The first 2 tubes biased no problem but when I switch to...
    • James Cox
    • Thread
    • bias switch citation ii harmon kardon rotary switch
    • Replies: 16
    • Forum: Tube Audio
  2. T

    Rotary switch for passive tone filter?

    Hello, Was wondering if anyone could advise me on what kind of rotary switch would be good for a passive tone filter I am building for electric guitar. It is a very simple circuit that switches the guitar input between different value capacitors, then straight to output. The rot switch I'm...
    • Tony A
    • Thread
    • audio & design diy passive preamp rotary switch
    • Replies: 5
    • Forum: DIY
  3. T

    MARANTZ 4400 - QUAD ROTARY SWITCH

    Hey all! My amplifier has been almost fully restored, but... I have a problem with the "Power Mode" - Quad rotary switch (S005) Part No. SR0602010 - See attached pictures. When it's on 4 channels 4X50 watt everything goes smoothly, but when you go into Stereo mode 2X125 watt, there are...
    • Tamir
    • Thread
    • amplifier marantz 4400 rotary switch
    • Replies: 5
    • Forum: Marantz Audio
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