It is the latter i'm looking for. So:
- power off preamp
- relays stays on for say 5 sec.
- relays switches off
- power off preamp
- relays stays on for say 5 sec.
- relays switches off
Received the pcb's today. Tiny but great! I have a Takamisawa RY12W-K relay on hand that is pin compatible with the omron you designed it for. Would it be a problem using this as replacement?
Reviving this old thread, with the hope that @iamwhoiam eventually released KiCAD and/or Gerbers as promised 3 years ago...
Since the author never reacted and I needed a few of the PCBs I redrew them for AGN20012 relays. Now with shorting to GND for RCA (configurable with a solder bridge in each channel) or shorting + to - for XLR. Dimensions 32 x 22 mm, two M3 mounting holes, distance between center of the mounting holes 24 mm. Yeah it is tiny so it will fit in the majority of devices where power on/off muting was forgotten. Just tested one, it works OK.
If there is no objection I can post the Gerbers. No fancy manual for such a basic circuit, just a part list. No support.
If there is no objection I can post the Gerbers. No fancy manual for such a basic circuit, just a part list. No support.
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I also did a version of this design a while ago - need to see if I can find it and post some pics + Gerbers 🙂