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Hi, This is very likely to be a dirty key contact.
If the loud key is not touch sensitive or by turning the touch off, if all the keys are the same volume then this points to a dirty key contact.
All the best, Chris the Fader.
Greetings! Ok, your amp has an XLR (3-prong) Low-Impedance input on Channel 1 for a Mic. All the other inputs are 1/4" High Impedance inputs, which are for instruments and/or other High Impedance items including low quality High Impedance Microphones. The SM48S is a high quality Low Impedance microphone, so if you use it with a 1/4" plug, it will be in a High Impedance channel, and will be very LOW in volume in comparison with everything else. So, you must use an XLR (3 prong) cable from the Mic to the Channel 1 input on your amp. That will do the trick. Good Luck with your new amp and Mic!
If you look at the signal flow diagram in your user manual, you will see that while AUX 1 and 2 can be selected are PRE or POST fader, AUX 3 is POST fader only... this means that the channel faders control the AUX3 level as well as the aux out level. Make sure you use TRS balanced lines to your speakers and not TS cables.
I answered another post of this earlier. The AUX3 is strictly POST FADER... you MUST turn the channel sliding fader up to send signal to AUX 3. Also the AUX3 channel gain KNOB must be turned up. Also the AUX master gain KNOB must be turned up. Make sure your cablles are balanced TRS cables from the mixer to the powered speakers.
no sound well it has to be used w something from garageband reason, etc u cant just plug it in and play it . so for instance garage band , you wanted the grand piano u open the grand piano and start hitting the keys. should be no problem I have the same one
Could I fix it myself ?
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