Synchronous Drive System (SDS) Motor Drive

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Synchronous Drive System (SDS) Motor Drive by VPI Accessories

Synchronous Drive System (SDS) Motor Drive
Synchronous Drive System (SDS) Motor Drive

Synchronous Drive System (SDS) Motor Drive
by VPI Accessories

Our Price:
$1,199.99
Add Synchronous Drive System (SDS) Motor Drive to your wishlist


Product Code:
VPII-A001
Make:
VPI Industries
Model:
Motor Drive
Description:
Synchronous Drive System (SDS) Motor Drive
  • Description
  • Features
  • Track Listing
  • Specifications
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  • About ATL
  • Why Buy?
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  • Glossary
VPI Trained And Certified

The Synchronous Drive System (SDS) combines a turntable motor speed controller and a line isolator into one convenient 16" x 3" x 12" (W x H x D) package. The SDS breaks new ground in clean accurate power delivery using advanced digital technology and quartz crystal accuracy.

The SDS allows for the adjustment of both the voltage and frequency fed to the turntable motor. Adjustments are easily made from the front panel using intuitive, soft touch controls. The selected output voltage and frequency are shown using large, easy to read LED displays. The SDS slowly ramps the voltage and frequency up or down to the selected value in order to prevent premature motor wear due to abrupt changes. During motor startup, the SDS increases its output voltage in order to bring the platter up to speed quickly. Once the desired platter speed has been reached, the SDS ramps the output voltage down in order to reduce motor vibration and, therefore, the systems noise floor.

The circuit used in the SDS provides an incredibly accurate line frequency of great stability. Additionally, the electronic circuitry effectively isolates the output voltage from the input voltage, doing away with voltage spikes, low level fluctuations, RFI, and frequency variations.

Instead of merely filtering the power line, the SDS first changes it into pure DC voltage and then digitally regenerates its own clean signal. This approach is superior to that used in many of the other power line conditioners on the market.

The SDS works best with synchronous motor driven 115 volt turntables, such as those from VPI. The speed of a synchronous motor is determined by the frequency it is fed. It is only logical then, that a device whose speed is based on the line frequency will always function better when a stable frequency is delivered. A constant motor speed translates into a quieter, more faithful musical presentation.

COLLECTORS ALERT: Many historical recordings were not transferred onto modern records at the proper speed. Using the SDS, you can now correct the musical pitch of these recordings by varying the speed of your turntable. In addition, collectors who have VPI turntables that run at 78 RPM will be able to accurately adjust them to compensate for the wide variation in recording speed used in the 78 RPM era.

The SDS is the perfect match for all 115 volt VPI turntables!

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SoundStageDirect Glossary

VINYL RECORDS

Vinyl records are able to capture the purest quality of recorded music in true form. This is possible because the initial recording is captured on an analog source (usually tape) for the ultimate in High Fidelity sound, it is then pressed onto virgin vinyl. Analog recordings capture the bottom end (or bass) while adding sweetness to the high end (or treble) better than any digital recording ever could. Analog systems are still commonly used before they are digitally transferred to CD. This means that the sound then is altered in the transfer process when CD's are produced. The word fidelity means accuracy and faithfulness. High Fidelity sound is faithful to the original sound made by the artist, capturing maximum accuracy of what was intended for the listener to hear. Vinyl records capture those sounds for the ultimate High Fidelity listening experience!

180/200 GRAM Vinyl LP

These vinyl records are produced with 180 or 200 grams of high definition premium grade virgin vinyl. This is a higher quality audiophile pressing than the typical vinyl record of 100-120 grams. These limited edition LP's are manufactured with the hi-fi enthusiast in mind. A 180 or 200 gram LP is sometimes also referred to as an audiophile pressing, there is a higher bass response and an even warmer High Fidelity sound. 180 or 200 grams LP's are typically manufactured in limited amounts and are considered collectables, commanding a higher price.

VINYL REISSUES

Typically, a vinyl reissue is a repressing of an original LP, usually extracted from the recording's master-tapes. In some cases, reissues are remastered to lower surface noise and improve overall sonics. Reissues help preserve the music of an original recording, especially when original LPs become unavailable or can no longer be found. Reissues can be pressed on a variety of thickness from 150 gram to 200 gram and offer a great opportunity for records collectors to own many classic recordings.

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