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Help Please With A Tescun S-8800

Posted: 04 Nov 2018, 17:47
by Shambles
Can anyone advise please, just bought the above radio last week,can anyone tell me why when the volume is increased to between 8-10(max) a noise comes from the speaker as if it's a motorbike going down the road,or the baffles clattering.

Regards

Re: Help Please With A Tescun S-8800

Posted: 05 Nov 2018, 11:42
by scan125
Sound like at this elevated volume the audio amplifier is "motorboating".

As it is a new unit I would contact the supplier as it should not be doing this.

Web search "amplifier motorboating".

Also does it only happen when the USB charging cable and/or any other cables are plugged into the radio?