Rotary Speaker 147
The Rotary Speaker 147 effect in the Fender Tone Master Pro emulates the classic Leslie 147 rotary speaker, renowned for its swirling, three-dimensional modulation and rich, dynamic movement. This effect authentically replicates the characteristic rotating horn and drum, delivering lush, spatially immersive tones ideal for organ emulation, psychedelic textures, and vintage rock sounds. The Tone Master Pro’s digital modeling captures the nuanced speed controls and Doppler effect, providing users with expressive control over the depth and realism of the rotary speaker experience.
Fender Model Guide
Produces rich rotational movement, spacious imaging and evolving modulation that adds depth and dimension to clean and overdriven tones.
- DRIVE Adjusts signal level into preamp stage, typically adding distortion at higher settings.
- TONE Adjusts overall tonal color.
- LEVEL Adjusts overall signal output level.
- FAST Sets fast modulation speed.
- SLOW Sets slow modulation speed.
- SPEED SWITCH Select fast or slow speed setting.
- RAMP Adjusts how quickly modulation changes from slow to fast.
- SENSITIVITY Adjusts ramp dynamics sensitivity.
- DYNAMICS SWITCH Turns dynamics on and off.
From the Fender Tone Master Pro Model Guide
- Based on
- Leslie Model 147
- Effect type
- Rotary Speaker
Unofficial fan reference by Worship Calling. Not affiliated with or endorsed by Fender. Tone Master Pro is a trademark of Fender Musical Instruments Corporation. Other product names belong to their owners and are used only to identify the gear each model is based on. Details are a guide, so check the Fender manual for exact controls.