Fx loop weird volume/stereo difference

Quad Cortex Bug Reports
1

CorOS Version: 1.0.2

Describe your issue:
I have 2 pedals (strymon timeline and big sky) set up in the fx loop 1/2 in stereo. Before the loop I have 2 amp models that are panned left/right via a splitter. Originally when setting up the fx loop I switched between the loop being on and bypass to test what effect the loop/cables/pedals where having and it was 99.9% perfect. Although randomly the other day when I did this same test and there was a slight volume difference and a slight shift in stereo image. Thought it could be the pedals or cables so I tried just plugging 2 of the cables into the send and straight back into the return and the difference between the being bypassed on not was still there. Weird thing is I switched cables and the difference disappeared…switched BACK to the apparently offending cables … the difference had gone and the loop was back to being 99.9% transparent. Very odd.

Steps to reproduce your issue:

  1. Set up a stereo 1/2 fx loop with different amps down each line via a splitter, stereo ‘split’, A/B sides panned left and right on the mixer
  2. Test sound of bypassed fx loop vs active fx loop. Normally there is no difference, but on a couple of occasions I have experienced a slight shift in volume / stereo image. This even happened when just using cables (no pedals). Yes, it could be the cables, but the cables are brand new and work 100% fine seconds later even with wiggling
2 Likes
2

i also just notice the same issue except i got a port conflict when adding the block in the preset (very simple preset with just OD amp and delay reverb… i got a looper and my sustain pedal in the fx loop)

3

I’m having the same issue with the FX Loop and have isolated the volume drop/stereo shift to FX Loop 1. It appears to be an a volume drop at Return 2 based on the db monitor. The only difference is that my issue isn’t occasional. It’s doing this all the time.

We’re you able to find a solution?

Thanks!

4

Sorry to hear you’re having trouble with this. With bugs like this I believe it’d be best to contact Neural support directly (email: support@neuraldsp.com). Please include the details of your bug as well as the signal chain you’re running and CorOS version.
I’ll leave this thread open for a few days in case @teamjim or @Samsheperd have found a solution/workaround, otherwise I believe it’s best to have Nerual Support handle this.

1 Like
5

Ive only just got my quad and havethe latest software, ive also experiemced volume drop on fx loop 1. I was running a fuzz through it and it has now done it several times, fairly random in occurance when selecting it.

6

Welcome to the forums! Sorry to hear that you’re also running into this bug.
Like I’ve said to the others, please pass all details of your setup and CorOS version to the support team so that they can sort you out.
Email: support@neuraldsp.com