DSM Humboldt Simplifier Bass StationDSM Humboldt Simplifier Bass Station The preamp stage is based on the Ampeg SVT ??. This amp stands out for it???? s personality, ?? versatility and articulation. Including its flexible EQ with + 15dB per band, and the switchable midrange from 400 900 1200Hz. Across most of the gain settings, the amp is tight and clear. But with higher gains, it will grunt and growl like a real Ampeg SVT does. The new DSM & Humboldt SIMPLIFIER BASS STATION is