Tech Talk: Burned Speaker Voice Coil Diagnosis

Tech Talk | WRITTEN BY AARON TRIMBLE | May 2018 Ever been baking cookies, only to find out that the softened butter you need is still in the freezer? We get a lot of emails here at the Tech Talk. People ask us, “what sort of box should I build?” Or “what woofers should I buy?” And of course, “why did my woofer blow?” Now we’ve addressed woofer failure, both mechanical and thermal, before on the...

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Tech Talk: What is more important for getting the MAX SPL – cone area or motor force?

Tech Talk | WRITTEN BY AARON TRIMBLE | April 2018 This month’s Tech Talk question comes from Keith B. in Michigan who asks, “What is more important for getting the MAX SPL – cone area or motor force?” MAX SPL is a whole mess of a topic that just can’t be quantified in the confines of one Tech Talk. It is a topic that involves a lot of equations and funny looking letters that express other...

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Tech Talk: Subwoofer Suspension Options

Tech Talk | WRITTEN BY AARON TRIMBLE | March 2018 This month’s tech question comes from Derek Walls of Virginia, he asks, “Can you explain the suspension options Soft, Standard, and Extra Stiff; and how they apply to box design, output, and inductance?” When you’re looking at DD subs for your next sound upgrade, it can be a little intimidating to see all the options that are available. Cosmetic...

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Tech Talk: Why are car audio manufacturers still using RCA interconnects for their hardware?

Tech Talk | WRITTEN BY AARON TRIMBLE | February 2018 If you checked in with last months article you’ll remember that this year the Tech Talk is on open mic. All of 2018 is going to be user submitted questions, and boy were there some questions! A lot of you asked questions about the inner workings of speakers, or which sub they should choose for their next bowel shaking bass build, but this month...

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Tech Talk – Check Your Space Before You Buy Your Bass

Tech Talk | WRITTEN BY AARON TRIMBLE | December 2017 Sure, that pair of 18’s will totally fit in your Honda Del Sol! Of course you can fit a 9512 under the seat in your Ford Ranger! Don’t worry, we’ll cut the box for your 15 in half to fit it in the trunk of your new Camaro! Yeah, some of these examples might be a bit hyperbolic, but the DD Audio Tech Support team does get some doozies. Today we’re...

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Tech Talk: Power Handling – Mechanical vs Thermal

Tech Talk | WRITTEN BY AARON TRIMBLE | November 2017 Ever seen a broken speaker? They come in two flavors, right? The roasty toasty kind and the shredded kind. These speakers fall into two categories and manufacturers give us numbers that outline when you’ll see broken speakers. Manufacturers provide us with power handling numbers. They are RMS or continuous, and peak or max. If we break them down...

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Tech Talk: A Beginner’s Guide to Car Audio Competitions

Tech Talk | WRITTEN BY AARON TRIMBLE | 24 October 2017 The 2017 Car Audio Competition Season is drawing to a close. This month USACi, IASCA, dB Drag, MECA, MidwestSPL, and others are all holding their finals. As of writing this article, both USACi’s finals in Wichita Falls, TX and Unified Finals in Louisville, KY have concluded. A few late season finishers like Midwest SPL are hosting their finals...

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Tech Talk: All-Star Installers – Amplifier Bench Testing

DD Audio Tech Talk | WRITTEN BY AARON TRIMBLE | 26 September 2017 “I hooked everything up right, but it’s not working.” -Everyone who thinks they know what they’re doing. We’ve all heard it. Heck, some of us at some point in our lives have probably said it. The reason you’re hearing it now is one of two things; the amp is broken, or the person troubleshooting the amp has overlooked something. You’ve...

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Tech Talk: All-Star Installers – Found in the Garage, Made on the Bench

DD Audio Tech Talk | WRITTEN BY AARON TRIMBLE | 16 August 2017 Every year, ME-Mag (Mobile Electronics Magazine) releases its TOP 12 installers list. The TOP 12 represents the absolute pinnacle of installers and technicians in the automotive electronics industry as voted on by peers and contemporaries in the business. All these techs are masters of their crafts. They are accomplished fabricators;...

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DD Audio Tech Talk: Budget or Beast

DD Audio Tech Talk | WRITTEN BY AARON TRIMBLE | 18 July 2017 When you consider buying a product and both are equal, you’ll always buy the cheaper one, right? If they both look the same, perform the same task, and have the same level of support, why would you spend the extra money on a more expensive product? Take breakfast cereals – do you want the name brand puffed rice cereal or the store...

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