The Groove Sleuth MICRO & TRANSFORMER


For those vinyl fans who wish to discover and experiment with the advantages of processing needle-drops in the digital domain, the Groove Sleuth MICRO non equalising phono preamp is an alternative to the premium Groove Sleuth Mk. II. It is the complement to Pspatial Audio's Stereo Lab software.

The diminutive Groove Sleuth MICRO preamplifier is suitable for all moving-magnet cartridges. For support for low-output moving-coil cartridges, we have the partnering Groove Sleuth TRANSFORMER.

The Groove Sleuth MICRO preamplifier is also suitable for Phaedrus Audio PHLUX II active moving-magnet cartridges (add the PHLUX-Bridge order option).

Like the Groove Sleuth Mk. II preamplifier, the Groove Sleuth MICRO preamplifier incorporates the very low-noise battery supply. This means the preamplifier can be powered from a conventional, international-style power supply but be switched to battery supply during operation to ensure the very best possible noise and distortion performance.

This delivers first-rate quality at a very reasonable price. A switch on the front-panel allows the battery supply to be selected. The Groove Sleuth MICRO preamplifier has over 4 days operational charge, but we recommend battery play be limited to approximately 12 hours. The unit may be kept in charge mode when listening with only a minute loss of quality.

It was ...... more specific across the mid-band. clean in treble.....
   It wasn't the LP as I know it. Noel Keywood (review of Stereo Lab)

Computer audio

The Groove Sleuth MICRO preamplifier permits connection of turntables to a computer sound-cards for use with powerful digital audio tools like Pspatial Audio's Stereo Lab software.

For the vinyl enthusiast, Stereo Lab offers a suite of tools for capturing the highest quality needle-drops from both modern, LP records. It also incorporates sophisticated, best-in-class noise-reduction and distortion-reduction tools and decoding of all historical quadraphonic formats: QS; SQ; Ambisonics UHJ; carrier CD-4; and others.

And, for the record collector and sound archivist, Stereo Lab also includes a Historic Equalisation mode which implements a comprehensive collection of gramophone-record equalisation curves; enabling the correct de-emphasis of 33, 45 and 78 RPM recordings made from 1880 to today!

iLOOP

All Groove Sleuth preamplifiers feature the iLOOP; a wide-bandwidth, low-noise and distortion buffered loop-through.

PHLUX-Bridge option


The Groove Sleuth MICRO preamplifier (with PHLUX-Bridge option) allows the PHLUX-II active phono cartridge to be used in all standard hi-fi applications and in conjuction with computer soundcards.

Sitting between the cartridge and the preamp', the Groove Sleuth MICRO preamplifier (with PHLUX-Bridge option) supplies power to the cartridge and forwards the cartridge signal (via Phaedrus Audio's unique iLOOP signal-path) to the phono-preamplifier or integrated amplifier. The LINE OUT mini-jack feeds the computer soundcard.


The Groove Sleuth MICRO manual - which includes the manual for the Groove Sleuth TRANSFORMER is here.


Groove Sleuth TRANSFORMER

Housed in the same diminutive chassis as the Groove Sleuth MICRO preamplifier, the Groove Sleuth TRANSFORMER includes a pair of high-quality step-up transformers to extend the range of the Groove Sleuth MICRO, or any other standard MM preamplifier to include all moving-coil and moving-iron cartridges.

By incorporating a range of transformer ratios (fitted as a time-of-order option), the Groove Sleuth TRANSFORMER can adapt to the entire range of modern, moving-coil cartridges: from exotic, low output devices to "high-output" moving-coils, like the the Denon DL-110 which rather "under-load" standard MM input stages without a transformer. Go to this page for a (near complete) range of contemporary cartridges and the best choice of Groove Sleuth TRANSFORMER.

The high-quality transformers in the Groove Sleuth TRANSFORMER have cores of high permeability, nickel-iron alloy and incorporate a Faraday shield between primary and secondary to keep out radio-frequency garbage. The transformers are fitted in tight-fitting mu-metal cans and are thus magnetically screened. The large primary inductance of the transformers ensures an extended low-frequency response.

Groove Sleuth TRANSFORMER - Signal level management

TRANSFORMER 1 has a step-up ratio sufficient for the lowest output, moving-coil cartridges.

TRANSFORMER 2 is an exceptional quality device which covers MC cartridges which prefer a slightly higher load.

TRANSFORMER 3 is intended for "high-output" moving-coil cartridges which could do with a little more level into a standard MM phono input.

Go to this page for a (near complete) range of contemporary cartridges and the best choice of Groove Sleuth TRANSFORMER.

If your cartridge is not on this list, please contact sales@phaedrus-audio.com for further advice.



Groove Sleuth MICRO preamplifier - Key features and specification

Groove Sleuth TRANSFORMER (1)

Phædrus Audio reserves the right to change specification without notice.



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