Vintage Sound Workbench Amp~Preserver (Tone-Preserver) Voltage Adjuster
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Here’s a mint-condition Vintage Sound Workbench Amp Preserver. It allows you to adjust the line voltage that you use to run your amplifier. It connects between your power line and your amplifier and gives you three output voltages that are switch selectable: Full Line Voltage, Voltage down by 6 volts, or Voltage down by 12 volts. A convenient analog voltmeter shows you exactly the voltage that your amplifier is receiving.
The Amp Preserver uses a widely published circuit based on basic electronics theory to effectively reduce the AC voltage that your amplifier receives. The circuit is printed in numerous physics textbooks and amateur radio handbooks. It is 100% safe and will not harm your amplifier in any way.
It is still in production, renamed the Tone Preserver, and sells new for $260. This one is in perfect shape.
| Listed | 3 days ago |
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| Condition | Excellent (Used) Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more |
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