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Can Anyone Help Identify This Switch?

Discussion in 'Amp Central Station' started by Bean1871, Dec 21, 2020.

  1. Dec 21, 2020 #1
    Bean1871

    Bean1871 TDPRI Member

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    upload_2020-12-21_22-48-49.jpeg Any assistance identifying what I assume is a 6 pin on/off switch in this L-pad attenuator would be sincerely appreciated. I’m seeing a lot of on/off/on switches, but not what I think is indicated in the schematic. Unless I’m wrong...which is very possible...
    upload_2020-12-21_22-48-49.jpeg
     
  2. Dec 21, 2020 #2
    Mexitele Blues

    Mexitele Blues Tele-Afflicted

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    Looks to be a DPDT. Each column of three lugs is a pole. The center lugs switch between the top and bottom lugs.

    When the switch is in the up position the l-pad is bypassed, in the down position it is engaged.
     
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  3. Dec 21, 2020 #3
    heyslowfinger

    heyslowfinger TDPRI Member

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    Yep DPDT switch. When searching for a DPDT switch they will also be labeled as ON-ON.
    Basically, you want a switch that only toggles up and down (avoid Up, Middle, Down).

    Looks like this was referenced in this thread back in 2019.
    https://www.tdpri.com/threads/diy-attenuator.918612/
     
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  4. Dec 22, 2020 #4
    SRHmusic

    SRHmusic Tele-Holic Silver Supporter

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    It's more of a bypass than an on/off, it seems. And, yes, a DPDT switch.
     
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  5. Dec 22, 2020 #5
    Mr Green Genes

    Mr Green Genes Tele-Afflicted

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    Mexitele Blues is right.
     
  6. Dec 22, 2020 #6
    2L man

    2L man Tele-Meister

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    Don't play when you use the switch if you plan to use that on tube amp because there comes brief open circuit in switch and it can cause voltage spike in tube power amp circuit. Even safer is to switch amp high voltage off.
     
  7. Dec 22, 2020 #7
    radiocaster

    radiocaster Poster Extraordinaire

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    I think the person who drew that meant the attenuator is off in one position.
     
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  8. Dec 22, 2020 #8
    Bean1871

    Bean1871 TDPRI Member

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  9. Dec 22, 2020 #9
    Bean1871

    Bean1871 TDPRI Member

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    Thanks, everyone, for confirming what I’m seeing here. I’ll look for an on/on DPDT. They seem less common than the on/off/on variety.
     
  10. Dec 22, 2020 #10
    Wally

    Wally Telefied Ad Free Member

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  11. Dec 22, 2020 #11
    Bean1871

    Bean1871 TDPRI Member

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    Thanks, everyone for your input.

    After thinking about this for awhile, I’m now wondering why a switch would be necessary after all. I’m not planning on using this as a pedal, so for simplicity’s sake, I may just skip the switch to start.

    In that case, lug 1 would connect at input tip, lug 2 would go to output tip, and lug 3 to output ring (ground)?
     
    Last edited: Dec 22, 2020
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