A/B Selector Rev.1.Jul.22.2006 Build an a/b switch box with indicator LEDs. One common input routed to two selectable outputs or two selectable inputs routed to one common output. LEDs show which path is connected. If no LEDs are required use a DPDT switch and leave out the DC jack/battery part of the circuit, as it is only needed to power the LEDs. +9v INPUT JACK SHIELD LEDA INPUT JACK RING LEDB OUTPUT B TIP 2k2 3PDT INPUT JACK TIP OUTPUT B SHIELD Layout and presentation by Francisco Peña 2001-2006®. All rights reserved. Authorization for personal use only, any commercial use is forbidden. Permission for posting/serving limited to http://www.tonepad.com Permission refused for posting from other sites. OUTPUT A TIP OUTPUT A SHIELD Parts List 1 - 2.2k resistor 2 - LEDs 2 - LED mounts 1 - Stereo jack 2 - Mono jacks 1 - 3PDT switch 1 - DC jack 1 - Battery snap 1 - Enclosure BATTERY SNAP Schematic “A” path selected AC ADAPTOR + 9v LEDB INPUT OUTPUT A LEDA OUTPUT B 2k2
