4 Balanced Stereo Audio Signal Input Selector Relay Module.
This item has been assembled, and electrical test passed.
You can connect 4 balanced stereo signal input / a balanced stereo output.
RY12W-K signal relays(Contact material: Gold Overlay Silver-Palladium).
Led indicator for each relay channel.
High quantity terminal block, easy connection wire.
FR-4 Fiber glass PCB.
Operating voltage: 8.5 ~ 15.5VDC, recommend 12VDC .
Operating current: 15mA (at 12VDC).
Rotary switch wire length 300 mm (11.8 inch).
Size: 115mm(L) x 50mm(W) x 16mm(H), (4.53 x 1.97 x 0.63 inch).
to avoid crosstalk from the unused channels, it would be great if the N/C contacts of un-selected channels could be shunted to GND through 1k or so. but this would of course mean that the selector is for unbalanced sources only – or you would have to double the amount of relais…
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