
Legacy Bass Amp in MainStage
Bass Amp simulates the sound of several famous bass amplifiers. You can route bass guitar and other signals directly through Bass Amp, reproducing the sound of your musical part played through a number of high-quality bass guitar amplification systems.
If you’re new to using plug-ins in MainStage, see Add and remove plug-ins in MainStage.

Bass Amp Parameters
Model pop-up menu: Choose one of the following amplifier models:
American Basic: 1970s-era American bass amp, equipped with eight 10” speakers. Suitable for blues and rock recordings.
American Deep: Based on the American Basic amp, but with strong lower-mid frequency (from 500 Hz on) emphasis. Suitable for reggae and pop recordings.
American Scoop: Based on the American Basic amp, but combines the frequency characteristics of the American Deep and American Bright, with both low-mid (from 500 Hz) and upper-mid (from 4.5 kHz) frequencies emphasized. Suitable for funk and fusion recordings.
American Bright: Based on the American Basic amp, this model emphasizes the upper-mid frequencies (from 4.5 kHz upward).
New American Basic: 1980s-era American bass amp, suitable for blues and rock recordings.
New American Bright: Based on the New American Basic amp, this model emphasizes the frequency range above 2 kHz. Suitable for rock and heavy metal.
Top Class DI Warm: Famous DI box simulation, suitable for reggae and pop recordings. Mid frequencies, in the range between 500 and 5000 Hz, are de-emphasized.
Top Class DI Deep: Based on the Top Class DI Warm, this model is suitable for funk and fusion. The mid frequency range is strongest around 700 Hz.
Top Class DI Mid: Based on the Top Class DI Warm, this model features an almost linear frequency range, with no frequencies emphasized. It is suitable for blues, rock, and jazz recordings.
Pre Gain slider: Set the pre-amplification level of the input signal.
Bass, Mid, and Treble sliders: Adjust the bass, mid, and treble levels.
Mid Freq slider: Set the center frequency of the mid band (between 200 Hz and 3000 Hz).
Output Level slider: Set the final output level for Bass Amp.