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THE MICROGROOVE. The direct decendent of this phonoamps was the Michell ISO, this entry level to the high end phonoamp uses high grade silicon. The signal path is dc coupled, this is built as a stereo amps powered by standard industry voltage regulators, as with all the phonoamps they can be configured to suit any moving coil/magnet cartridge. Hifi choice, maximum 5 star rating for sound. This can at a later date be upgraded to the plus.

THE MICROGROOVE PLUS. This stereo phonoamp has a Lithos 7 class A regulator in place of the standard industry regulator. This greatly enhances the sound, lowers the noise floor, faster rising and falling edges of notes highlighting the spaces between them.

THE GROOVE. This dual mono phonoamp uses one Lithos 7 regulator per side to supply power to each mono signal p.c.b. All resistors are Halco precision metal film, all silicon is of premium grade. The regulators are powered by a dual mono mains power supply. Since it's launch in the UK it's become the industry standard. The Groove can be upgraded to the PLUS spec.

THE GROOVE PLUS. In this design the mains pcb has been replaced by the Lithos 6, a complex class A regulator (as used in the pulse power supply) the outputs of this then feeds the dual mono Lithos 7's on the signal pcb's. The external mains supply box contains a 70 watt transformer (designed and manufactured in house) that has an electrostatic screen to remove any R.F. noise, then rectified, smoothed, and regulated before leaving the box and heading for Lithos 6. The ultra low noise and distortion of this product provides the end user with the greatest possible dynamic range and resolution available.