Nembrini Audio Launches The Hughes & Kettner Tube Rotosphere Plugin

Nembrini Audio has launched the Hughes & Kettner Tube Rotosphere plugin, an authentic digital emulation of the acclaimed Hughes & Kettner Tube Rotosphere MKII Rotary Speaker simulator.

In the 1960's the Leslie Speaker System, originally developed in the 1930's for the Hammond Organ, began to be used for guitars by The Beatles, Eric Clapton, David Gilmour and more. In the 1990's Hughes & Kettner, a highly respected manufacturer of instrument amplifiers, cabinets and effect boxes, created the Tube Rotosphere pedal, an extremely accurate, analog reproduction of the Leslie Speaker System.

More than thirty years later, Nembrini's new plugin breathes fresh life into this cool sound with the introduction of a realistic digital simulation of the much admired Hughes & Kettner Tube Rotosphere. Celebrated for its rich tube-driven character and highly musical rotary modulation, the original hardware was used keyboardists and guitarists seeking the iconic swirling depth of a classic rotary cabinet, with the warmth of real tube saturation. The new Hughes & Kettner Tube Rotosphere plugin faithfully captures every nuance of its analog counterpart, offering everything from subtle to dramatic Doppler-infused motion, with can be seamlessly integrated into any rig.

Nembrini's advanced modelling technology captures all of the lush swirl, warm tube saturation and authentic rotary motion of the original pedal. The key features of the new plugin include true to life emulation of the analog circuitry and tube preamp behaviour, independent rotor speed simulation with separate LF and HF controls allowing precise adjustment and a breaker switch for realistic ramp-up/down and rotor stop effect. There is also tube saturation modelling with visual feedback, rotor balance control for fine tuning the blend and a stereo signal path for wide, immersive rotary modulation.

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