Up for sale is an excellent Ampeg SVT-4 Pro bass amplifier head. Features tons of power and tone shaping options and can nail the sound of classic SVTs. This head is in great overall working condition. The preamp features 12ax7 tubes with a a solid power amp section. Features: -Total power: 1600 watts RMS @4ohms bridged -Built-in compression w/control -Bi-amp capable w/crossover frequency and balance controls -3-Band eq with midrange frequency switch -9-Band graphic eq +/-12db from 33hz-8khz -Ultra lo, ultra hi, and bright switches -Balanced line outputs w/level control -Built-in effects loop -Speakon and 1/4" speaker outputs -1/4" Tuner otput --15db Switch for active instruments -Effects bypass switch -3 12ax7 tubes in the preamp, solid state power section