I've read that sonically, the B-series has really stellar midrange compared to the C's. The main functional difference between the 500 and 800 is that the 800 has AM reception as well as FM.
Good techs are busy- I wouldn't expect a tech to be able to tell me exactly what he did unless it was my amp that he'd worked on and the work had been done recently. Or he was a specialist in those amps in particular and did lots of them.
Good techs are busy- I wouldn't expect a tech to be able to tell me exactly what he did unless it was my amp that he'd worked on and the work had been done recently. Or he was a specialist in those amps in particular and did lots of them.