![]() ![]() But, rest assured, this product has had a lot of R&D and testing put into it before being produced. It's a good bit of money for just one or two vehicles, but peace-of-mind can also be priceless. But this is ONLY if you are looking to use the product only for personal use (ie. Numerous testing options (speaker outputs or directly from RCA's) It is extremely easy to use and gives you confidence in your amp settings. This was created with full function in mind by two titans in the car audio industry. This is not a product that was created with all glitz/glam and no function. This product is the result of a leader in car audio installation in southern Cali (Steve Meade) and an electrical engineer who has a long career in car audio (D'Amore Engineering). I watched all of the videos I could find and did a lot of research. I just found out about this product this year by stumbling upon it and its creators on Youtube. ![]() ![]() Meade actually managed to pack some humor into his manual.quality you just cant match from the mass producers. ** READ THE MANUAL, not only insanely easy to read and full of useful info. a 150 watt channel will decimate a 35w coil with an undistorted signal! Just keep in mind this detects distortion and not your max output and you'll set gains like a pro. You can and will over power your speakers and blow coils if you just crank your amp to max undistorted levels without concern for your speakers power handling rating. A word of warning, although this is often confused as a gain setter. All and all this unit is solid and well worth every single one of the 15,000 pennies you spend on it. This tool also can be perfect for finding your decks max undistorted volume, which is a bonus for any SQ oriented builder. I set the gains of both my DC3.5k mono and DC175.4 4Channel, in the underground parking of the local mall on my lunch break. It's sole purpose is to detect distortion, Which it does at an amazing accuracy and with minimal user effort. We are proud of our specs, they aren’t lies, so we are putting them up front.This tool is by far the most impressive single purpose tool I have ever purchased. Everyone hides these in the back of the book.Auto-shut off timer 8 - 10 minutes after ON button is pressed.Low Battery LED trigger battery voltage Signal Present LED trigger voltage 750mVrms.Guaranteed operating range of input signal is 1.2Vrms – 125Vrms.Distortion Detection trigger level > 1.0% Harmonic Distortion.The Distortion Detector’s circuitry is 100% analog.Should the harness become damaged it is easily replaceable or repairable in the field.It makes it pretty easy to measure the output of a headunit directly, if you choose to do so.We also chose an RCA input connector for a few reasons: Isolating the DD1-1 from the vehicle’s electrical system for power, guarantees that it will only measure what it is supposed to measure the audio signal, not noise in the charging system.We have chosen a 9V battery as a power source for a few reasons: If treated as such it should provide you with many years of reliable service. When you pick up the DD-1, know that you are holding a precision piece of equipment.It can also be useful for detecting distortion in the audio signal caused by poorly designed or malfunctioning audio equipment. The purpose of this tool is to enable the installer to set the gain of an audio amplifier to match the source unit’s output level, accurately and quickly. The purpose and benefit of the D’Amore Engineering / SMD Distortion Detector. ![]()
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