At a MSRP of $149 USD and rating of 1000 watts, the Behringer NU1000 is an interesting amplifier to say the least. Many pro audio manufacturers such as Crown, QSC and Behringer have moved over to Class D technology which has several benefits. These benefits include lighter weight, less heat, better efficiency and it's not like many outdoor PA events need the added SQ provided by Class A/B amps.
The iNuke NU1000 is rated to deliver 300x2 at 4 ohms, 500x2 at 2 ohms or 1000x1 bridged at 4 ohms. Many online forums suggest these numbers are inflated an most likely "max" numbers. I decided to pick one up to try on my D'Amore Engineering AD-1 Amp Dyno to find out for myself. Let's watch together and see how it does...
Buy this amp on Amazon:
amzn.to/2fe4ZuaSee more about the Alpine CDA-9815 head unit I use for my tests:
youtu.be/Fza-1zludTAIn Certified Mode, the AD-1 uses our patented DD-1 distortion detection system to know if the power it is measuring is clean power. The input signal to the amplifier is ramped up until the AD-1 measures less than 1.0% harmonic distortion and takes its final power reading and battery voltage readings at that point. Power measured is clean RMS power.
In Uncertified Mode the AD-1 uses a patent pending technology that ignores harmonic distortions and noise and "looks" for clipping. When the AD-1 measures clipping of the signal that would generate less than 1.0 percent distortion it takes its final power measurement and battery voltage readings at that point. This is useful for amplifiers that are inherently noisy like some Class D amplifiers and headunits that could "false trigger" the distortion detection system used in Certified Mode. Power measured is clean "RMS" power.
In Dynamic Power Mode the AD-1 uses industry standard bursted signals and captures the power generated by the amplifier during these quick bursts. The high speed microprocessor and patent pending clipping detection system working seamlessly together are able to read the clean "RMS" power output from the amplifier during these very short bursts. 20mS for the 1kHz test, and 100mS for the 40Hz test
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