Car audio championship

Home News. What came back was a 1st place prize and a realization that car audio has still much to learn. Luckily, I was able to catch Helmuts in his busy routine to get some war stories from his Finland adventure! The European Mobile Media Association is the main European organization which promotes all things related to in-car audio and visual entertainment.

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Content:

• dB drag racing
• Car Audio Championship -Louisville, KY
• Car Audio Organizations Partner for 2021 Car Audio Championship SPL Style in Muscle Shoals, Alabama
• The Secret World of Competitive Car Audio
• Report a digital subscription issue
• Welcome to MECA – Fun and Fair, Loud and Clear
• Round 1 – EMMA UK Championship 2018 at Car Audio Security
• Work with full confidence in sound
• 2021 SPL - Car Audio Championship

WATCH RELATED VIDEO: Ev Speakers Sound Car Competition

dB drag racing

The reason for using a sound level meter is because once you have your system complete, it may take a big increase in amplifier power to see a slight 1 to 3 dB increase in sound pressure levels, just think of how much money it would take to double the number of amplifiers you have! It would be much cheaper to buy sound level meter, re-tune and design your system better. Noticing what changes in design makes your dB level go higher with a use of a sound level meter.

Unless you have had a lot of experience you may not perceive this correctly. Furthermore, system changes can cause resonant frequency changes. This is important because the human body does not accurately rate sound pressure levels, Especially at different frequencies.

I have seen many people incorrectly guess the sound pressure level of a relatively low dB into thinking it was dB, because it was at a very low 24hz instead of the usual 45 to 65hz. If your system is using a ported box, a sound level meter will let you see how much slight changes in the length or size of the ports can make a big difference in your sound pressure levels.

Junk brands means you or your local Car Audio shop have never heard of it, or never heard it with their own ears. Also just because something is low price does not mean it is junk. Low price brands are better than the junk brands and for many people the low price brands are good enough, it works and sounds good enough. Junk brands are like buying a toothache or a really bad headache. Stolen, lost, or dirty beat up radios from the swap meet are considered junk.

I know not all of us are millionaires and a lot of us have kids to support, so just buy the name brand item one piece of the system at a time every 3 or 4 months or so.

Time will go by and sooner than you think your going to have a really good system. Reason 2: Junk stuff breaks alot faster than the name brand items. If your impatient and cant wait another month your going to suffer when that junk brand you bought because you were in a hurry, BREAKS.

And yes it will break and break soon. Oh yeah, your going to be without a system until you can save up for the good name stuff and chances are that is going to be alot longer than 1 month you should have waited to save for the name brand item anyway. Reason 4: The sound quality in junk brands are not as good as the name brand item. Reason 6: Usually junk brands use junk parts to make their junk equipment. An example decided it is not up to their quality standards so they put it in the rubbish bin.

Well big factories do the same thing, junk factories get the junk parts to make the junk brand stuff. An annoying critical feature left out is secondary amplification on head units, in other words the decks push out a pitiful 1 or 2 watts RMS instead of the standard 17 to 25 RMS. They do this by not putting in secondary transistor amplifiers to cut the price. Another feature that is cut out is the fast forward on the CD play.

Another feature you cant see is the radio clarity or the ability to pull in far radio stations, or the ability to lock in on 1 station at a time. No iPod or aux inputs, no memory s or shuts off randomly. They are very powerful devises. A normal 12 volt car battery has about 10, watts of available 1 second power, or about 50 to AMPERES for about 20 to 60 minutes. Converted to more understandable units, the energy in 1 battery could lift TONS 1 foot off the ground!

This is about , foot pounds of energy! A car battery is called 12 volts but is actually normally about Many people who compete in SPL contests use two 8 volt golf cart batteries in series. This gives an apparent voltage of 16 volts to each amplifier, but actually closer to You must find out if your amplifier is capable of this because many amplifiers cook and die at that high of an input voltage!

Most will take If you need more power for your amplifiers, some people put another battery inside their loudspeaker box. You must brace the inside of the box too so the battery does not slide around when you drive your car.

Also NEVER put a battery inside a car where the people sit unless it is inside a very strong enclosed container like a speaker box because they can explode! Please give your battery fat, fat, fat wires. Remember a lot of people sleep at night or even nap in the day so please respect your neighbours, if not the whole world will become like Hawaii where the government is trying to out-law after-market car audio. Hearing aids are NOT sexy or attractive or cheap.

Only you can decide if you want to trade in your watt sound amplifiers for hearing aids just another 0. We recommend that you limit the amount of time you spend listening to loud music to 1 or 2 songs per day usually no ringing if not to loud to dB bass only , or just wear earplugs and turn it up to feel the vibrations beat you up.

The level of damage is also changes with frequency. From hundreds of people it has also been determined that frequencies below 40 hertz can be about 10dB louder than bass above 40 hertz.

This is very important because most of the top of the line woofers can play significantly large amounts of power below 40 hertz. So if your system has an equalizer booster or bass frequency controller, you can shift the bass frequency lower below 40 hertz you can get more vibration AND at the same time be safer for your ears. Remember, you can always buy new amps and speakers but you cant buy new ears.

We can obviously provide hundreds of pages of data on speakers, but we will try to keep it very short.

Lower than dB most people do NOT need name brand woofers or can hear the difference, however above dB it is a total night and day difference, get the good stuff. The mids and highs are more critical to good quality and or name brands and try to put the mids and high tweeters on, or in the dashboard, it will sound great reflecting off the front windshield.

Look for quality signs like: bigger magnets, a cone that can pump in and out a large distance X-max, Excursion, Amplitude , Higher power handling. Make the box at least twice the size that they say. This is the only 1 real measurement of importance anyway! You also need more relevant data, like the weight, the car or boat size, the shape, the wheels, the gear ratios, the torque, is the road flat or a mountain, etc.

This is because the 18 inch woofer is suffocating and choking in a box that is to small. This will make the inside of the box a little bigger, and then your woofer will be a little more relaxed and this means deeper bass and sometimes 1 to 4 decibels louder. So for example say you have 4 cubic feet in total and 2 woofers, instead of putting each in a 2 cubic foot box, make one side 1 cubic foot and the other in a 3 cubic foot box, this will make the 1st woofer will better play the high pitched bass from 60 to hertz, the other will better play the super-deep 20 to 50 hertz bass.

This will happen automatically without any additional equalizers, crossovers or filters from your amplifiers. Your total db level will go down, but your sound quality will go way up. Even better would be to port tune the 2nd larger box from 18 to 26 hertz for that vibration bass.

In general you can make 1 side from 2 times bigger or 3 times bigger than the other. Someone could get hurt or you might make junk.

Use eye protection at all times!!!!!!! Measure 3 times cut once! While your building the inside of the box use wood glue if its going to be an forever solid install or use white or clear silicone if you might change something later. Decide before you build your box if you want sound quality, super deep bass or high db, these are different boxes.

You can cut the wood one day then glue and screw another and day paint and polish or install in car. The less stress there is the more fun you have! You can also use mathematics to re-arrange this to solve for the box size or port length or area, if you already know the frequency of resonance that you want. Also remember at the resonance frequency, the woofer excursion per unit watt sound output is the lowest, so that the cone does not move very much but massive sound output is coming from the vent and it is also at the maximum electric ohm load.

Below the system resonance the woofer will act like it is in naked free air, and move violently and may be damaged. Above about 3 times the resonance frequency the system will kind of behave like it is in a sealed box of the same size. In general, the larger the box and the larger the port the more sound output irrespective of the frequency. When woofer excursion is about 1 inch or 2 inches back and forth, with very high power of 1, to 10, watts each woofer for 10 hz flat double these box sizes.

This is for the box by itself, as the math proving this is very ugly. Also this is NOT for dB contests, this is for better sound quality. A quick and 99 percent of the time correct way to find out resonance frequency is to get a flat frequency sweep audio CD and then attach a multi-meter to read AMPERES to any loudspeaker, inside or outside of a bass box. Shut off any equalizers, epicenters, bass boosters, or any gains in your radio deck and amplifier boost switches. A system has a frequency at which the decibel level dB is maximum, this is called the FdB.

Into a low OHM load, usually the lower the better, so an amp that is rated into 4 ohms is better than an 8 ohm amp and a 2 ohm amp is better than a 4 ohm amp. Some of the best and most powerful amplifiers in the world can push 0. Take the advice of professional with experience what to buy.

Say your voltage is 20 volts and your current is 10 amperes, then you multiply them. So in this example 20 times 10 is equal to watts RMS. In general most amplifiers will push 2 to 4 times the voltage number compared to the amperage number. So in a more realistic example 20 volts will generate about 5 amperes or watts RMS most companies will call this a watt amplifier.

This is because peak is 2 times the R. Please give your amplifiers fat, fat, fat wires. This causes the amp to max death output for maybe 0. What you have is a good amp with thin, skinny junk wire. Serious car stereo people put in another car battery in their car near the amplifiers, for extra amperage.

So the car will have 2 batteries. World class decibel car stereo people put in as many as 80 batteries, just for the amplifiers! Different Amplifiers have different combinations of amperes and voltage for a specific power output.

Say you have amplifier brand X , it is watts RMS, you or somebody tests it at 80 volts at 20 amperes output. Now amplifier brand Z puts out 40 volts at 40 amperes for the same watts of power.

Car Audio Championship -Louisville, KY

The reason for using a sound level meter is because once you have your system complete, it may take a big increase in amplifier power to see a slight 1 to 3 dB increase in sound pressure levels, just think of how much money it would take to double the number of amplifiers you have! It would be much cheaper to buy sound level meter, re-tune and design your system better. Noticing what changes in design makes your dB level go higher with a use of a sound level meter. Unless you have had a lot of experience you may not perceive this correctly.

Car Audio Organizations Partner for 2021 Car Audio Championship SPL Style in Muscle Shoals, Alabama

If you are being blocked from reading Subscriber Exclusive content, first confirm you are logged in using the account with which you subscribed. If you are still experiencing issues, please describe the problem below and we will be happy to assist you. The stereo system in David Wallace's Chevy Blazer posted a A radiology technologist assistant by day, Wallace will be one of about or so expected to compete at the Car Audio Championship, Oct. The event will also feature more than 20 vendor booths displaying car stereo and car technology products. Wallace's car's system features a Pioneer head unit what used to be called a receiver , running a single inch Sundown Audio subwoofer mounted into a fiberboard box, which he fashioned. You want to achieve the highest decibel level possible in your vehicle, and you could maybe make your box an inch longer and your score could go up tremendously, or it could go down a lot.

The Secret World of Competitive Car Audio

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Competitors have accrued points throughout the season to gain an invitation to the championship events. With hundreds of vehicles participating in multiple locations, the event will be a destination for all things audio. Local and national competitors have the opportunity to enter a few events that are non-invitational. A lot has changed since , but the desire to dominate the competition in a gladiator-style showdown is stronger now than it has ever been. In Deathmatch, competitors must play their sound systems as loud as possible for 5 gruelling minutes. The competitor with the highest average sound pressure level SPL is the winner.

Welcome to MECA – Fun and Fair, Loud and Clear

In these competitions, SPL of over decibels is common; and the international record in was Competitive vehicles can range from a small vehicle with a single amplifier and subwoofer up to a large van with dozens of amplifiers and subwoofers powered by dozens of car batteries and with upgraded electrical wiring and alternators. There were 10, competitors in and "races". National Championships were held in Tennessee. During a competition, the vehicle must be driven 20 feet.

Round 1 – EMMA UK Championship 2018 at Car Audio Security

Welcome to our community; please browse our website and learn what quality mobile electronics products are all about! At Sundown Audio we have one goal in mind, and that is total customer satisfaction. Sundown Audio only builds and sells products that meet our exacting standards for quality. Our products are all built to last and to be something you can be proud to own for years to come.

Work with full confidence in sound

RELATED VIDEO: DOWN4SOUND THROWDOWN 2020 AKA CAR AUDIO BLOCK PARTY WAS A HUGE SUCCESS!

House Grail is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more. Welcome to the strange, wonderful world of car audio competitions.

2021 SPL - Car Audio Championship

We have car shows with music, fair and fun contests for people who love cars and trucks and the mobile electronics, and bling, that are used to customize our rides. Our Sound Quality League and Sound Pressure League contests are designed for all levels of competitors, beginner to advanced professional. Ride The Light specialty lighting contests are great night-time events. Our Judges and Members will also be happy to help you learn and grow. Live, rich, full-balanced sound is what we listen for.

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