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The Switchjack is an easy to install TRS stereo jack with an additional “4th pin” terminal for battery switching (figure ). It is manufactured exclusively for Fishman by Switchcraft Inc. The switch terminal on the Switchjack is typically connected to the negative battery wire of an active pickup system.
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Figure 4. End of jack is proud, large threads are shy Wiring Options Passive pickup Active pickup Two passive pickups, stereo Active + passive pickup, stereo Passive pickup + mini-mic, stereo Active pickup + mini mic, stereo www.fishman.com 009-074-002 Rev B 4-07...