Tom Evans Groove+ SRX mkII With Outboard PSU - Moving-Coil Phono Preamp

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From the Tom Evans UK Website:

Like the 20th Anniversary model below it, the Groove+ SRX features a more sophisticated design with a dual mono layout and dual Lithos 7.4 local regulators, providing an even wider dynamic range giving more lower level detail - almost twice the dynamic range of the previous model Micro Groove+ X - recently measured by an independent German magazine to have a signal to noise ratio of 108dB (A weighted @ 20kHz with 73dB of gain) and that was with our previous 7.3 Lithos version.

However, the Groove+ SRX version has an entirely redesigned circuit with an external power supply with our latest High current 6.1 Lithos PCB. This offboard PSU helps to once again double the dynamic range and half distortion of previous 20th Anv. model.

All of our range now come with selectable dip switches and here we give you a choice of 9 cartridge loading resistances per channel. 112, 126, 144, 168, 200, 250, 333, 500, 1000 ohm are selectable, and if you require a custom load then please let us know.

The gain is set for an optimum level to suit most current cartridges of 0.2mv to 0.6mv Other gains can be catered for upon request.

The new Groove+ SRX mkII is a reality check to all other Phono Stage manufacturers around the World.

Estimated selling price: £5000.00

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Kimber Kable - 14AWG (Gauge) Power Cords - Best

The SkyFi Testing Process for Preamplifiers:
We start with a visual inspection of all internal components to make sure there are no signs of stress or aging. Capacitors are checked for telltale sings of bulging or leaking, resistors are checked for signs of overheating or cracking, and transistors are checked for signs of stress or damage. Special attention is paid to the power supply which is the most common source of failure for preamps. We then power up the unit and run a simple 1k sine wave while monitoring the low voltage output on an oscilloscope for signs of distortion or noise to get a baseline.

At this point we will lubricate and clean all switches and potentiometers (that are not sealed) with a high quality contact cleaner, and then re-test all functions for any signs of noise or scratching.

Final testing involves putting actual music through the preamplifier. We have learned over time that some issues are only noticeable to a trained ear while listening to a familiar source material. Our test bench has reference vintage KEF speakers that we are super familiar with which will quickly reveal any discrepancies. Some preamps will then move into the listening room where they will be tested with our in-house reference system.