Kemper’s Profiler Head Modeling Preamp accurately emulates the complexities of a particular guitar cabinet and amplifier’s functionality. With this preamp, guitarists can achieve maximum portability by digitizing (“profiling”, as Kemper calls it) their setups for later recall through a single conveniently-rackmountable unit.
The profiling process is accomplished by inserting a tube amplifier into the Profiler and pressing the “Record” button. The unit then sends test signals between the amplifier at the microphone in front of the cabinet to establish an accurate profile of the original tone. Once the profile is recorded into the Profiler, it can be played back and fine-tuned with effects, EQ, and various stomp pedal models.
Profiler PowerRack Features
The Stack: Amplifier Section, EQ Section, Cabinet Section
The Effects: Virtual Stomp Boxes, External Effects, Master Section
The Connections: Input Stage, Output Stage, Ground Lifts
Amp Definition parameter determines whether the Profile leans more towards a vintage or modern character - increasing this parameter intensifies the touch response of the virtual tubes.
Power Sagging parameter lets the tubes breathe with individual playing styles - damped strings will have more "chug," and clean picked notes will cut through better when the playing volume is reduced.
Pick parameter controls the attack of the pick independently of the gain setting, even through heavy distortion.
Amp Compressor will sustain the clean guitar when playing soft, but lets the distorted sound through, unprocessed, when reverting back to normal playing volume.
Cabinet Voicing parameters provide access to the character of the cabinet - the size of the virtual cabinet can be changed, the bass resonance tuned, or the tonal character controlled in creative ways