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SMD DD-1 Distortion Detector/Analyzer by Steve Meade Designs

Distortion Detector/Analyzer (Patent Pending) (DD1)

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List price $189.99

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$149.99

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Get Rid of That Distortion

The purpose of the SMD DD-1 Distortion Detector/Analyzer by Steve Meade Designs is to enable the installer to set the gain of an audio amplifier to match the source units output level, accurately and quickly. It can also be useful for detecting distortion in the audio signal caused by poorly designed or malfunctioning audio equipment.

SMD has chosen a 9V battery as a power source for a few reasons. They are readily available and isolate the DD-1 from the vehicle’s electrical system for power, guaranteeing it will only measure what it is supposed to measure; the audio signal, not noise in the charging system. The supplied RCA connection is used to measure the output of a headunit directly, if you choose to do so. Should the harness become damaged it is easily replaceable or repairable in the field.


General Features:

  • Distortion Detector/Analyzer (Patent Pending)(DD1)
  • The Distortion Detector’s circuitry is 100% analog
  • Distortion Detection trigger level > 1.0% Harmonic Distortion
  • Guaranteed operating range of input signal is 1.2Vrms – 125Vrms. (15,000 Watts at 1 ohm) Autoranging
  • Signal Present LED trigger voltage 750mVrms
  • Low Battery LED trigger battery voltage < 5.6Vdc
  • Auto-shut off timer 8 - 10 minutes after ON button is pressed
  • For Systems running at 18 volts or higher check out the SMD DD-1 HV(High Voltage) Distortion Detector
  • To precisely calibrate your crossovers use the SMD CC-1 Crossover Calibrator by Steve Meade Designs
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

What's Included:

  1. The Distortion Detector (DD-1)
  2. Protective silicon rubber boot
  3. Calibrated Test tone CD
  4. Harness
  5. Product manual

Accessories Specifications

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Primary Color
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Quantity
This is the amount of units that is included with the item.
Vehicle Manufacturer Compatibility
These are the vehicle manufacturer's that the item is compatible with. Although a manufacturer might be listed here, please verify that your specific vehicle will accept the item or part.

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
81%
4 Star
13%
3 Star
5%
2 Star
2%
1 Star
0%

Average Attribution Rating

Durability
4.8
Value
4.4
Features
4.6
Design
4.7
Usability
4.8
Sam

Canada

Overall
Durability
Value
Features
Design
Usability
Amazing Tool

November 23, 2013

This tool is by far the most impressive single purpose tool I have ever purchased. It's sole purpose is to detect distortion, Which it does at an amazing accuracy and with minimal user effort. 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. This tool also can be perfect for finding your decks max undistorted volume, which is a bonus for any SQ oriented builder. All and all this unit is solid and well worth every single one of the 15,000 pennies you spend on it. A word of warning, although this is often confused as a gain setter. IT DETECTS DISTORTION. 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 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. ** READ THE MANUAL, not only insanely easy to read and full of useful info. Meade actually managed to pack some humor into his manual..quality you just cant match from the mass producers.

18 of 30 found this helpful

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Gagan

Canada

Overall
Durability
Value
Features
Design
Usability
Perfect

October 28, 2013

The dd-1 is the perfect way to tune an amplifier, found where my deck clips and where my amp clips and have been bumpin clean sound, good investment

7 of 9 found this helpful

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depretto90

Australia

Overall
Durability
Value
Features
Design
Usability
excellent

September 24, 2014

Love it its handy no distortion in my sound system

16 of 28 found this helpful

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James

Great Britain

Overall
Durability
Value
Features
Design
Usability
Smd dd-1, great pice of kit

July 25, 2014

I would recommend this bit of kit as it's easy to use, and great for setting up my amplifiers, and would defiantly buy more stuff from sonicelectronix, I can't get hold of the audio equipment I want in the United Kingdom, and sonicelectronix have got the gear I want, great delivery service.

17 of 30 found this helpful

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abquiroz

alta iowa

Overall
Durability
Value
Features
Design
Usability
it was good

March 31, 2014

it came quickly and it was convinient to understand. i tried it on my head unit and thought it didnt work and come to find out thAt the head unit was the one thAt does not reproduce clean sound. i would recommened this product to those who find car audio a pation. i am a a loyal costumer to this site and will continue to be.

20 of 36 found this helpful

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Hillingdoner

Rio Rancho, NM

Overall
Durability
Value
Features
Design
Usability
Useful tool and quick

April 25, 2014

I've always set gains using a tpi440. I bought the DD-1 as I'd seen some verification videos of it being right on with the TPI, but looked much faster to use. Well used it quite a bit now and have to say it is quick and effective. Super simple to use and makes setting the gains correctly on your system easy and fast. One note. I watched videos on how to use this tool and then read the instructions when I received it. There is a change to the new tools when it comes to setting amp gains in that you hook the red probe to the + speaker terminal and the black probe to the - speaker terminal. All the videos I'd watched showed the black probe to amp ground. This has changed and I verified with Tony at the manufacturer before using. So, word to the wise, double check your instructions before using to make sure you have it hooked up right. Either way, an excellent tool and worth having.

19 of 35 found this helpful

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john

bristol, TN

Overall
Durability
Value
Features
Design
Usability
works as advertised

April 10, 2014

well built though over priced but hey I ordered it and it performed as it should. Setup sounds good

15 of 27 found this helpful

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MD

Florida

Overall
Durability
Value
Features
Design
Usability
DD-1 Distortion Detector

May 28, 2014

Had no issues.. Fast processing and delivery through Sonic.. Detector comes with easy to follow instructions.. My system sounds nice, and the detector seamed to work great.. Would definitely recommend.. A little pricey though.. Per the detector, I was fairly accurate matching mid and high amp gains by ear, but I was way off on my source unit and sub amp.. Really not even close.. Made the corrections, and my system sounds great now..

14 of 26 found this helpful

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Piree1

Charlotte

Overall
Durability
Value
Features
Design
Usability
SMD DD-1 = Love it!

October 26, 2013

Made my system sound so much better & cleaner! Cant express that enough. My system is not for comp, just personal daily driving & I do love to play it LOUD. I have 5000 RMS ( 1K going to mids & highs & 2K going to 3 re audio 12's (custom sealed box) & 2K gong to 1 SSA Xcon 18 in a big ported box, (not to mention 3 AGM batts, big 3 upgrade, all 1/0 guage OFC wire, H/O 270 amp alt, alpine TV h.u. ect ect blah blah) so I obviously spent a LOT of money on my system, but I think the best money I have invested into my car audio system so far is the SMD DD-1. No kidding! Thousands of dollars invested & that little extra $150 made sooo much of a difference in the sound. Also I love the comfort of knowing I can slam my system hard daily for a long time & Im getting a clean non distorted signal to all my speakers. To me, just that comfort alone is worth buying one. I was running my system for almost 2 years before I learned about the DD-1. Before I used the DD-1, I was nervous/reluctant to turn it up to certain volume levels, not knowing if I was clipping/distorting my speakers, but now I feel 100% confident to play it at much higher levels without destroying my expensive equipment. Sounds much much cleaner now. I cant imagine all the hours of time I have spent trying to tune my systems by ear. I have been through many cars & all have had amps & subs ect. I would recommend a DD-1 to anyone. Also I think no car audio shop should EVER go without having a DD-1 & tuning every customers audio system before they leave the store. That's my 2 cents

6 of 10 found this helpful

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haze1

elkhart,IN

Overall
Durability
Value
Features
Design
Usability
simply amazing

September 17, 2013

The best way to set up your amps period. Good directions and it doesn't feel cheap. Overall a high quality item

9 of 16 found this helpful

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Carlos

San Diego, CA

Overall
Durability
Value
Features
Design
Usability
Great Product

July 30, 2013

at first I was looking how to set my gains, i had it a little below half on my amp it was ok but once i set the gains with the dd1, man this thing made my sub sound great i could not believe that i was cutting myself out from that much bass. Glad i bought it, now i can set my gains for future amps since this is just the beginning

6 of 10 found this helpful

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Pasta Prime

sweet home, OR

Overall
Durability
Value
Features
Design
Usability
There's nothing like it!

July 16, 2014

If you want an undistorted system where you know how loud you can turn it and blow anything up then you need a DD! It comforting to know that when I spin that skinny knob I know everything id tuned right and I have nothing to worry about.

Read the directions and watch the SMD videos on Youtube if your unsure how to use it.

16 of 31 found this helpful

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BJ

Antigua And Barbuda

Overall
Durability
Value
Features
Design
Usability
great tool but .....

May 11, 2014

I owned both the DD-1 and the SMD for a while and i really love them. simple, precise and easy to use. My problem is with the price. I think they are too expensive for a one dimensional tool that i don't use often. That's why i sold them and bought a scope for $400. It takes some learning to use, but it does the job of both the DD1 and SMD and much much more. I use my scope every week on my car and on my house.

15 of 29 found this helpful

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ROG

MCALLEN TX

Overall
Durability
Value
Features
Design
Usability
GREAT PRODUCT

September 24, 2013

GREAT PRODUCT. I KNEW THAT SOMEBODY OUT THERE HAD INVENTED THIS PRODUCT BUT I COULDN'T FIND IT FOREVER, BUT NOW THAT I DID I'M SATISFIED WITH MY SOUNDS BECAUSE I KNOW THAT'S WHAT IT COULD HANDLE.

4 of 7 found this helpful

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Red

LaFayette,AL

Overall
Durability
Value
Features
Design
Usability
RCA input panel needs a bigger hole

September 21, 2013

I would have given it a 5 but I had to disassemble it to use it with my RCAs. I have the Professional Series Fusion and Streetwires. They were too big to fit pass the RCA input panel. Other than that it is a great tool to have.

4 of 7 found this helpful

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Skar

Tulare, CA

Overall
Durability
Value
Features
Design
Usability
Awesome Product

August 20, 2013

I've been a car audio enthusiast since I was 14 years old. I never had fancy equipment to properly set amp gains. I bought the DD-1 and am very impressed with it! I tested it side by side with my Fluke Oscilloscope and it is dead on. I highly recommend this to any car audio installer from amateur to Pro.

5 of 9 found this helpful

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Nanthakumar

Malaysia

Overall
Durability
Value
Features
Design
Usability
Be a pro with SMD DD-1 !

April 18, 2014

It works!!! Such a easier way to set amps gain. After using SMD DD-1 Distortion Detector my sound system improved. I recommend to anyone who
facing problem on gain setting. No more wasting time. Get it do it and
be a 'PRO' with it!!

6 of 12 found this helpful

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Nathan

Baltimore

Overall
Durability
Value
Features
Design
Usability
Smd dd-1 Smd cc-1

February 7, 2014

Easy to use, works just like advertised, best tool on market for the price.

11 of 22 found this helpful

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aamurillo67

Mexico

Overall
Durability
Value
Features
Design
Usability
Very useful

January 19, 2014

I bought this in order to protect my equipment and at the same time maximize the fully potential of it, because in my hometown all the installers just turn up the gain in order to impress the buyer; I recommend this especially to those pplk that do installs for fun or for a living.

3 of 6 found this helpful

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sirbOOm

Atlanta, GA

Overall
Durability
Value
Features
Design
Usability
What? No included battery?

November 14, 2013

For $150, SMD could have included a generic 9V battery. Not everyone has a 9V sitting around the house (except in their smoke detectors). That really ticked me off... even a dollar store flashlight comes with batteries.

Other than that, it works fine. It's expensive but less expensive than an o-scope which I would never use the full potential of.

3 of 6 found this helpful

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Browse 3 questions and 27 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
I have decided to purchase the SMD DD-1 so that i can properly set my own gains as well as my fellow bass heads. Out of all the people i know, I have the loaudest system. Now i want to make sure that it is not only loud but clean as well.

Next will be thee CC-1 as I will need to get my eq set properly as well to get that nice crossover calibration taken care of
Chris C on Feb 25, 2015
To have my gains set right.
Carlton R on Feb 25, 2015
Trying out this product seen the videos and makes it look too easy with this!!!
john m on Feb 25, 2015
i am a novice when it comes to car audio and i like what this product can do for me
FRANK P on Feb 23, 2015
i have yet to be answered ,dose this tune all amps,including mids and or highs?
Dave D on Oct 17, 2014
Best Answer: Yes. The DD-1 will set the gains on any amplifier weather it's a bass amp, or a mids and highs amp. I have used it on both my amps which is the Crescendo bc5500d for the bass, and on my Rockford Fosgate 600.4 which is my mids and highs amp. It made a big difference in the sound. I have a Kenwood head unit and the max volume is 35. After using the DD-1 I can turn the volume to 33 with no distortion. Great product.
Reply · Report · Wade H on Oct 17, 2014
· Add Answer · I Have This Question Too (0)
will this help tune an eq??
A shopper on Dec 16, 2014
Best Answer: This will help tune an EQ, but it depends on your setup a little.

The DD1 is great for getting maximum output from your individual components (headunit, EQ, amps) without distortion. If you follow the instructions in the manual, you start up from with the headunit and figure out its maximum, non-distorted output. Then you do the same for an EQ and your amplifiers.

For instance, I have the Clarion EQS746 and was able to use the DD1 to determine that I could have the volume up all the way on the EQ without distorting. Personally, however, I would rather not have my EQ working as hard as it can just to have the gains set lower on the amps, so I set the volume significantly lower and then proceeded to follow the DD1 manual for setting my amp gains.

When it comes to EQs, one thing to keep in mind is the output voltage for your RCAs. My EQ is able to put out 7 volts, but my JL amp only receives up to 4. Consequently, when I had my EQ outputting more than 4 volts, I wasn't able to turn up the gain at all on my JL amp because it read distortion immediately. Because of that, I had to use a voltmeter to set the volume/gain on my EQ to get just under 4 volts from my RCAs and then I was able to use the DD1 again and set my amp gains.

I hope this helps!
Reply · Report · Geff C on Dec 16, 2014
· Add Answer · I Have This Question Too (0)

Product Summary

Manufacturer

Model Number

DD-1

Weight

1.10lbs

Internal SKU

smd-dd1

Internal Product ID

61378

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: SMD DD-1 Distortion Detector/Analyzer by Steve Meade Designs