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NAD PowerDrive ... How does it really work?
NAD PowerDrive ... How does it really work?
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Old 23rd April 2013, 03:38 PM   #1
lineup is offline lineup  Sweden
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Default NAD PowerDrive ... How does it really work?

NAD has got something called PowerDrive in their amplifiers. But eventhough there is some information I am not sure how it works. They mention a SECOND high voltage supply to push in.

Here is what they say:

To meet the diverse requirements of high current drive and high dynamic power, our patented PowerDrive amplifier circuit will build further on our reputation for amazingly effective power. By adding a second high-voltage rail to our well regulated high-current power supply, we get an "overdrive" that can nearly double the continuous power on a short term dynamic power basis. This is a further development and refinement of our renowned Power Envelope circuit, utilized by NAD in the 80's and 90's. PowerDrive differs from Power Envelope in that it offers greater amplifier stability and low impedance drive capability, resulting in less distortion when driving real speakers with real program material.
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Old 23rd April 2013, 05:20 PM   #2
jkuetemann is offline jkuetemann  Canada
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Sounds like a class G or H implementation, but I don't know for sure.
---Jason Kuetemann---
Power is only granted to those willing to lower themselves enough to pick it up.
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