10pcs 9/12v Diy Guitar Effects Pedal Power Dc Connectors Socket Plug Jack 2.1mm Dc-022 Female Socket Jack Connector Instrument - Guitar Parts & Accessories - AliExpress
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2.1mm DC Power Jack for Guitar Pedals | Thinline Style
Black DC Jack (Switched) - Lumberg - AUD $1.50 : diyguitarpedals.com.au, A shop for all diy guitar pedal enthusiasts!
Power Jack Protection Schemes for Effects Pedals - www.davidmorrin.com
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3PDT Wiring / DPDT Wiring 3PDT Switch, DC Jack & LED - Guitar Pedal Switching 3PDT Switch, No DC Jack & LED - Guita… | Guitar pedals, Guitar diy, Electronics basics