I've always fancied one of these, more out of curiosity than anything else, so i bought one (The one with the tone & volume control - not much use without i think?), when it arrived, it looked fab, despite the fact that it weighed about a quarter of a tonne, so could only be played sitting down, which is fine for my purposes. Anyway, i tried to tune it, which was fine, i thought, until you started playing it, after the 9th fret, the intonation went completely, and the bass, was essentiall