Osc 2 out of pitch in Duo mode. is this normal?

The Moog Forum Subsequent 37 & Subsequent 25
1

Hi, I bought Sub 37 (a new one, FYI) on November and I noticed this strange thing on the first week of playing.
When I play in duo mode Osc 2 is out of pitch.
Here I’m attaching the demo I just recorded

https://soundcloud.com/jay-park-72/duo-mode-pitch-stuff

first part is saw osc1 & saw osc2. the second part is saw osc1 & square osc2

nothing’s being modulated, and it’s always there whenever I play in duo mode.
init patch, Osc 1&2 volume all the way up (because you can hear the weird pitch clearly when they are bit saturated. Even when the oscillators are before 12 o’clock position it’s still there), closed the cutoff to 5khz, and duo mode (kb ctrl-hi)
didn’t touch anything else on the panel.

It’s more obvious when the Osc2 is square wave.

these are the notes I played for the demonstration.
Melody: A-C-D-E x4
Bass: F-G-A-G

I want to use paraphonic notes in my track but I couldn’t get any usable result because of this pitch issue.
I wonder if it’s just mine.. :confused: does your Sub37 do this? :neutral_face:

P.S. I did the note calibration twice. throughout all note range

2

Okay since no one answered I emailed to Moog and I got the answer.
Tech support said it is operating normally.
Here’s a short portion from their answer:
“because some harmonics of both waveforms are constructively interfering with each other, thus boosting those harmonics”

I’ll leave it here in case someone wonders about the same thing.

Thank you for the support Adam.