I've made some recordings of the offender:

OSC1 triangle, beginning with it's level all the way down and gradually increasing:
http://www.guitaraustralia.com/MonoPoly/triangleOSC1.mp3 595KB

OSC1 saw , beginning with it's level all the way down and gradually increasing:
http://www.guitaraustralia.com/MonoPoly/sawOSC1.mp3 283KB

OSC1 PWM , beginning with it's level all the way down and gradually increasing:
http://www.guitaraustralia.com/MonoPoly/pwmOSC1.mp3 605KB

OSC1 PW , beginning with it's level all the way down and gradually increasing:
http://www.guitaraustralia.com/MonoPoly/pwOSC1.mp3 212KB

Polyphonic mode,  triangles with resonance fully off:
http://www.guitaraustralia.com/MonoPoly/trianglePOLY_resDown.mp3 126KB

Polyphonic mode,  triangles with resonance fully up:
http://www.guitaraustralia.com/MonoPoly/trianglePOLY_resUp.mp3 206KB

Polyphonic mode,  saw with resonance fully off, then increased to fully up:
http://www.guitaraustralia.com/MonoPoly/sawPOLY_resDownUp.mp3 591KB


I hope you guys can help, but thanks very much for trying so far!