I use a DBX Driverack 360. It has graphic and parametric eq’s, delays for main and subs, harmonic synthesizer for deep bass and on and on. It’s been the only thing I’ve found to seamlessly incorporate my subs.
I have 2 Krell FV 600 monoblocks feeding a couple of Wilson Maxx II’s and two JL Fathom 113’s. The 360 works really well with these.
Any High End Tube Preamps with *gasp tone controls?
After dropping in a vintage Scott 222C into my system while my amp was out for repair I'm really missing the tone controls now that my amplifier is back. It seems sacrilegious but I just can't get the bass where I want it without a bit of boost plus I'm sure my hearing is changing as I get older so why not be flexible... even if it results in me being thrown out of the audiophile club.