I had a set of Nordstrands Fat Stacks made and also installed a Mike Pope 4 band preamp there isn't a sound I can't find.
http://www.talkbass.com/forum/showthread.php?t=943434
I've been wanting to install the Pope pre in my 650. Did Max at BestBassGear provide you with the Passive Tone/Coil Tap push/pull control?


