$500 to $1,000: Amp Preamp

Ampeg Portaflex Series PF-800 800 Watts Preamp Quick View
Ampeg Portaflex Series PF-800 800 Watts Preamp $599.99
Ampeg Pro Series SVT-7PRO 1000 Watts Tube Preamp Quick View
Ampeg Pro Series SVT-7PRO 1000 Watts Tube Preamp $799.99
Eden World Tour Pro Bass Preamplifier Quick View
Eden World Tour Pro Bass Preamplifier $999.99