best amp for BASS

His speakers are 4 ohm rated, the specs. call out a minimum of 350 watts a channel and bass output is rated 110db at 18HZ.

Dave

Thanks for the inputs.I do use balanced connectors.The bass is very clean not boomey but not powerful.My guess is that having a large room with very few walls(the size was describing floor not the enclosing walls) will require lots of current with fast rise time,and large power supplies.I agree the best approach is auditioning different amps.However this is difficult if you do not want to pay retail and you are buying on audiogon.I did hear the Loreley speaker with Crown amps,definitly inferior to Bryston.I do not like the Krell amps for their highs and mids,but maybe for the bass they will be good what about the FBA600c?
Thanks for the responses.

As mentioned, the sound that you hear will be most influenced by speaker placement and room acoustics. Given the level of gear that you have, i would hope that you've spent some time working with those two subjects prior to investing anything further.

Having said that, look for an amp that has an "old school" iron core transformer ( no toroids ), has "gobs" of filter capacitance and uses what most would consider to be a huge output inductor. Since effective damping factor can be increased by manipulating negative feedback levels, it should be high but you don't have to go crazy with that spec. One can't obtain ultra high damping factors without playing games with figures and circuit designs. My experience is that amps that work fabulously for bass are not necessarily amps that you would want to run full range and vice-versa. Sean
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On the used market I would recommend the Parasound HCA-3500 350 WATT/CH dual-mono amp!You can probably find one for around $1,000.00 to $1,100 used. Massive power supply, two huge toroid transformers, two power cords!The best bass I have heard!

Nothing conrols the BASS like Krell.

It is no contest, in my opinion.