But if they have resistors on the outputs then shorting them should be fine.
Hi,
No. the protection resistors are a few hundred ohms, typically say 200R.
Most op-amps will distort on stereo stuff if you connect them together directly.
It will work but its very poor practise. You need a passive mixer as described.
Generally all stereo outputs cannot support the resulting current
of tying two outputs directly together. Its just a very bad idea.
If you want to know how bad, try it with amplifier outputs.
rgds, sreten.
FWIW a headphone output, heavily attenuated from an
amplifiers output, is one case that will support shorting.
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