2. analog
  3. 135398-81

VPI ADS Versus SDS

Gents:

Has anyone "upgraded" from the SDS to the ADS? I've had a two VPI tables over the past decade and have always thought about but never tried one of their speed controllers. I'd be interested in hearing from folks who have used both models and can share comparisons. I've noticed that despite the introduction of the ADS there has not been a significant price drop of the SDS on the used market, which leads me to wonder whether the ADS offers a significant increase in performance. Also, I had heard that VPI was going to launch several ADS models but it seems there is only one currently available. Anyone know about plans for other cheaper or more expensive versions?

In general, what can you expect when you add a speed controller (either model) to your analogue playback system?

Thanks!
dodgealum

Showing 2 responses by cleeds

cleeds
6,227 posts
 
bpoletti
I have never really understood the need for an SDS or other similar type of device. The only REAL reason for such a device is to reduce the voltage to the motor during record play.
That may be true for you. But for anyone who sometimes plays 45s or <shudder> 78 rpm discs, an SDS can offer a convenient way to set exact speed.
cleeds
6,227 posts
 
gbanderhoos
This is an interesting alternative for little more money than the original ADS:

http://www.9tci.com/
Some VPI motors consume more than the 7-watt limit of that controller, so some caution is warranted.
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