I went to a semi-local music store today, took my Cort B5 Element with EB Cobalt Flats, and checked out the Rumble 500c and 200c.
I set both amps to the official Rumble Club flat tone settings, made sure the preset tone switches were all out, set the gain knobs to 12 o'clock, then adjusted the master volume to a decent level.
The preamp on my Cort was not flat, I had adjusted it to fit my tone preference through my Xenyx 502 mixer with Sennheiser On-ear headphones.
After checking the low 'B' through the 500c, I backed the bass control off just a bit on my Cort.
The 200c did not seem to be handling my low 'B' string very well, it did not really distort, it just sounded like it was struggling, and I wasn't pushing the amp at all - the Master control was at about 10 o'clock.
The 500c sounded very good throughout the range of my bass, with a decently solid low 'B'.
I was hoping they would have an 800c, but no such luck.
Considering that I don't think I will ever play in a band that would need more SPL than the 500c can dish out, I don't really see the point in the extra 50W that the 800c gives at 8 Ohm.
I know people say the 800c has better definition over the 500c, but to me, the 500c sounded fine.
I don't have audiophile ears, by any means, so I some of you have different results then, this is just my feeble perceptions.
Rumble On...