Sourdaw
SOURDAW

Amp Modeling Suite

Grinder

Amp simulation with neural capture for authentic guitar and bass tones. Studio-grade modeling at your fingertips.

Tab 01 / Shape

Legendary Amp Models

Choose from iconic amp designs, from the pristine Clean Twin to aggressive high-gain Rectifier models.

Built on component-level simulation, Grinder provides authentic response and harmonic complexity across every model. Dial in the perfect drive using 7 bands of surgical EQ.

GRINDER
Play
Shape
Build
Route
Lab
AMP MODEL
Clean Twin
British Crunch
British Lead
AC30 Top Boost
Rectifier
Custom
SWITCHES
CleanCrunchLead
Bright
Fat
Tone Stack:FenderMarshallVox
AMP CONTROLS
Gain
Bass
Mid
Treble
Master
Presence
Resonance
ESSENTIAL PEDALS
Gate
Thresh-60.0
Input
Gain0.0
Tab 02 / Build

Precision Cab IRs

Move virtual microphones in a 3D space to find the perfect tone. Grinder uses high-resolution impulse responses for authentic cabinet modeling.

Blend dynamic and ribbon microphones perfectly using off-axis positioning, allowing for deep tonal shaping and spatial definition.

GRINDER
Play
Shape
Build
Route
Lab
SIGNAL CHAIN
Input
Gate
British Crunch
Cabinet
Output
MIC ROOM
Mic 1 (dynamic)
Center/Edge
Distance
Mic 2 (ribbon)
Blend
Room
SPEAKER
Resonance80
Damping
Breakup
Back EMF
Open Back
Tab 03 / Route

Advanced Routing

Build sophisticated guitar rigs without the patch cables. Grinder supports complex signal paths and dual-amp configurations.

Run dual amplifiers simultaneously and blend the clean DI signal back into the distorted chain for maximum clarity and weight in your tone.

GRINDER
Play
Shape
Build
Route
Lab
SIGNAL ROUTING
Serial
Parallel
Wet Dry Wet
Dual Amp
Clean Blend
Wet/Dry
FX Loop Mix
GAIN STAGING
INPUT-100.0
Tab 04 / Lab

Component Modeling

Go under the hood for absolute tonal control. Adjust the underlying mathematical component models to modify your amplifier to your exact specifications.

Adjust precise Preamp Tube biasing and Power Amp Sag, ensuring your tone reacts perfectly to your playing dynamics.

GRINDER
Play
Shape
Build
Route
Lab
PREAMP TUBE
Bias
Age
Miller Cap
Grid Cond
Coupling Cap
POWER AMP
6L6
EL34Power Tubes
EL84
TubeRectifier
Solid-StateVariac
Sag
Recovery200ms
NFB
PA Bias
TRANSFORMER
Drive
Hysteresis
LF Sat
NEURAL CAPTURE
Enable Neural
ANTI-ALIASING
Safety Limiter
Threshold-0.3