ADS Speed Controller
The ADS design includes two pure analog frequency generators featuring low distortion and noise; a high current Class-A/B amplifier that is transformer-coupled to the turntable output; analog control logic for low noise operation; 33/45 RPM analog speed adjustment controls with center detent positions that are factory calibrated. Created by our previous Director of Electrical Engineering, Michael Bettinger.
Features
- Turntable Start Button
- Power on the Front
- Center Detent Knobs
- Easily Switch 33/45
The Machine
- The platter is started and stopped by the front panel Run/Stop momentary push button switch.
- The front panel contains a two-position push button switch for selecting either 33 RPM or 45 RPM operation.
- There are separate speed adjustment controls for 33 and 45 RPM.
- The controls have a detented center position that is factory calibrated for 60 Hz (33 RPM)
and 81 Hz (45 RPM). - The speed is continuously adjustable +/- 3 Hz
- Blue LED indicators adjacent to the controls indicate which speed is set at a glance.
Product Specifications
| Line Voltage | 115/230 VAC Factory set |
| Line Frequency | 50/60Hz |
| Line Fuse | 1 amp (Slo-Blo) |
| Output Voltage | 115/230 VAC Factory set |
| Start Voltage | 120/240 VAC |
| Run Voltage | 90/180 VAC |
| Output Frequency | 50Hz/60Hz Factory Set |
| Output Frequency Range | 60 Hz Center Detent: 60Hz @33 RPM & 81Hz@ 45 RPM 50 Hz Center Detent: 50Hz @33 RPM & 68Hz@ 45 RPM |
| Control Range | +/- 3Hz |
| Output Power | 15W |
| Dimensions | 16" x 4" x 12" (W x H x D) |
| Weight | 10lbs |
Hi-end Audio / 40 years / Made in U.S.A / Turntables
VPI Industries Inc. is a family owned high-end audio manufacturer that was started by Sheila and Harry Weisfeld, the founders of VPI.
VPI Industries aims to make reasonable price high-end turntables and turntable accessories for the consumer.
Since the debut (40 years ago!), VPI had managed to become one of the household brand among analogue audiophile for one of the most customizable, high-end performance yet reasonable priced turntables.
