Longdog Audio have released their new quartz turntable power supply.

The new design feeds your deck with a pure 50Hz controlled by a quartz crystal. Nick Gorham,of British Brand Longdog Audio, says it is “just about the purest mains feed you can give your precious vinyl spinner”.

Speed Control

The new design incorporates a speed controller for, as an example Lenco turntables, which if they have been modified require the platter to be taken off to change speed. The new power supply means this is no longer required, a simple switch on the front panel will change your platter from 33 rpm to 45 rpm.

Lenco, Rega, Thorens & Garrard Turntables

Available for use globally, there is a voltage input selector for choosing 120/230V input and 50 or 60Hz for use in the USA and other countries that use 60Hz.

The supply has been trialed on Lenco, Rega, Thorens and Garrard turntables. With the Garrard, the supply is set at 33 RPM and speed is adjusted via the eddy brake.

Low Distortion

Nick from Longdog went on to explain further: “Low distortion is vital when powering any item of audio equipment, but the motor in a turntable such as those used in the Garrard and Lenco idler drive deck seem to be particularly sensitive to noise and harmonics in the supply. The effect of those extra parts to the AC supply is often only noticed when they are removed, and it has been our experience when testing the LDA Quartz Regenerator, that the effect of adding it to a system using this sort of turntable can only be described as a shock. The reason for this improvement is simple to understand once its demonstrated. The motor is designed to convert a 50 Hz Sine Wave into rotation. Any additions to that signal (both noise and distortion) will also be converted into mechanical energy by the motor, but unlike the smooth rotation to turn the platter, the extra signal will be injected into the mechanical system, eventually ending up at the record/cartridge interface and so into your music. The design of the turntable has been optimized to remove any 50Hz based signal and prevent it from getting to the cartridge, but the higher frequency distortion and noise will bypass any mechanical prevention methods and do its damage. The only way to prevent this is to not inject the additional signal into the turntable at its source, the motor. The LDA Quartz Regenerator does this by generating an AC power supply that is orders of magnitude quieter than is available from your household supply”.

Pricing And Availability

Both silver and black are available now for £895.

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