Stage has faulty mic preamp

[seannz]

Hi, using a mic with stage, and whenever I hit one of the lowest 8 keys, it would create a high pitched noise if the mic input is on. Try this and see if you can get this on your stage

[Umut]

Yes, i have same problem too. When yo push any note on keyboard very slowly, you can hear this noise. Not only lowest 8 keys. Other notes gives a digital data sound. If you adjust your mic input %50 or more value, you can hear it clearly. But you must connect a mic cable and push keyboard notes very slowly to hear that. Is anybody know this problem?

[IHTWolf]

I have this noise all the time. Ssssssssssss.... But I thought it would due to my microfon.

Ingo