stereo delay question

[Emperor !!!]

I heard someone say that stereo fx pedals, like chorus and flanger, change the phase of the signal sending it to another output, most often the right output, and that must be played mono to check for phase cancellation issues when recording.
What about stereo delay signals?
since the signal is not being phased(?)(you know what I mean) instead, the repeats are being sent to two differents outputs, L-R, so there shouldn´t be a phase cancellation prob with stereo delay signals, right?

[Farview]

Normally, a stereo delay just has two different delay times, one for each channel.

[SonicAlbert]

Right, there should be no phase problem added by running the stereo signal through a stereo delay. Assuming that the delay is working properly.

[Emperor !!!]

that means I can experiment running my stereo chorus into the stereo inputs of the delay without phase cancellation problems, or I´m still getting this wrong?

[Farview]

Some stereo inputs on some pieces of equipment sum (mix) the inputs instead of keeping them separate. If this is the case, your chorus might cancel in the delay unit.

[Emperor !!!]

ok, that makes sense, I´ll try it and post the results!

[Robert D]

Keep in mind that anytime you apply a delay to a signal, you are affecting phase. The only time this wouldn't be true is if a signal of a steady frequency had an exact delay applied to it that put it back in phase, but delayed by however many cycles. Bottom line, don't worry about it, it's a non-problem.

[Farview]

Originally Posted by Robert D

Keep in mind that anytime you apply a delay to a signal, you are affecting phase. The only time this wouldn't be true is if a signal of a steady frequency had an exact delay applied to it that put it back in phase, but delayed by however many cycles. Bottom line, don't worry about it, it's a non-problem.

I believe he was worried about the way most chorus and flange pedals get thier 'stereo' effect by having the right output 180 degrees out of phase with the left. When summed to mono, they completely cancel each other out.

[Robert D]

O,ic...............

[DAS19]

Originally Posted by Robert D

Keep in mind that anytime you apply a delay to a signal, you are affecting phase. The only time this wouldn't be true is if a signal of a steady frequency had an exact delay applied to it that put it back in phase, but delayed by however many cycles. Bottom line, don't worry about it, it's a non-problem.

With this being said some effect settings might sound worse then others so you jut play around with it and if it sounds good to your ears then its going to sound good on a recording.