Басовое усиление

AMPEG BA-115
AMPEG ROCKET BASS B-100R
AMPEG SVT4-PRO
AMPEG SVT410HE
EPIFANI PF1000
EPIFANI UL2 212
EPIFANI UL2 410
MARKBASS LITTLE MARK TUBE
MARKBASS SD1200
MARKBASS STD104HR-8
MARKBASS STD151HR-8