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Description
The audio switcher design by AP enables rerouting of audio signals
on the fly via midi control. Although specifically designed to
interface with the Mesa Boogie Triaxis, the switcher can interface
with any device that can supply a short or open circuit to a standard
1/4 inch jack (eg. a standard amp footswitch).
Parts List
| Part
Description |
Quantity
|
| Double contact relay, 3V
1A (OMRON G6K-2P) |
3 |
| Signal diode |
3 |
| 3VDC power supply, 1.5A |
1 |
| 1/4" sockets
(Stereo) |
6 |
| 1/4" sockets (Mono) |
8 |
| Plastic box |
1 |
| BJT transistor, BC547 |
5 |
| Resister 100k |
2 |
| Resister 10k |
2 |
| Resister 5k |
2 |
| Resister 1k |
2 |
| Resister 500 |
1 |
Panel Layouts
 |
Control input 1 (C1) determines if IIN is routed to 1A
or 1B and if 2IN is routed to 2A or 2B |
|
Control input 2 (C2) determines if 3IN is routed to 3A or 3B and
if 4IN is routed to 4A or 4B |
|
1IN, 1A, 1B, 2IN, 2A, 2B, C1 and C2 jacks are mono. |
|
3IN, 3A, 3B, 4IN, 4A, 4B jacks are stereo. |
Schematic
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FLIT