Shure SM58 Wireless microphone
The unit will turn on by pushing the button, but will not shut off, except by disconnecting the batteries. I'm a technician and have the unit apart. The
I have an electrnic keyboard Optimus md-1200. I…
used it during days. I used an AC-DC Adaptor (power:18w; output:1.5to12v; Current:1000mA).
After one day using that adaptor,the keyboard stop working abruptly
paul.closius
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planet31
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