Eric and David,

Unquestionably, the 350v3 sounds more like a traditional sub. It has a respectable attack and well-mannered "thump". As to whether or not it reaches as low as the 600, I really don't know. That would have to be determined via test tones. IMO, the 350v3 offers incredible value.

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated