Start up noise and low input impedance.

Quad Cortex Bug Reports
1

CorOS Version: 2.2.2

Loud start up noise and low input impedance after boot.
After the noisy boot the guitars inputimpedance is very low even though it indicates 1 Mohm.
Input 2 gain is also lower. Even the fx reurns have very low input gain.

But if I reset input impedance on input 1 and back to 1 Mohm all input gains gets normal. (even the fx returns).

Sometimes the startup is noisefree. IThen all gains and input-impedance is perfekt.

Steps to reproduce your issue:

  1. Step 1
  2. Step 2
  3. Step 3

I expected this to happen:
When I do x, I expect y to happen

I have tried the following things:

  • I have tried x
  • I have tried y
  • I have tried z
2

I find this very interesting, considering the bootup with outputs plugged in noise stuff I have posted elsewhere, and how sometimes when i plug in now to a hot setup it makes a giant pop.

3

I had this EXACT same issue at the start of December. I contacted support and they sent me a return label to ship the unit back for repair. About 3 weeks later I received the unit back repaired. I believe the I/O board was replaced. Regardless, the issue is gone.

4

I got a return to :slight_smile:

Need the unit bad though.
I works fine. It’s just during start up that it fucks up.

I guess I will have to send it.