Originally posted by Chuck H
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![](http://i65.tinypic.com/2u7najs.jpg)
I played my guitar, the nasty high frequency distortion is still there. In any case, I expected a less mid-scooped sound, more aggressive. I investigated a little more.
The wire linking the 820R with the EXT SPEAKER jack showed continuity with the chassis, but according to the schematic it shouldn't
![](http://i64.tinypic.com/2hxli0w.jpg)
then i checked the jack... this appears to different comparing it to the SPEAKER JACK
![](http://i68.tinypic.com/20rtdll.jpg)
I do not have a spare of this thing at hand but... what do you think?
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