My mistake was when i married my wife instead of buying a dsp!

My mistake was dating somebody for 8 years that hated bass...

When i screw the Subwoofer in and the drill decides to go through the actual Subwoofer

I had just came back from deployment and bought two kicker L7 12's the guy at audio sound (Jacksonville, fl) said I'd only be able to use 1 kicker because of the speaker box space needed. Then he up sold me on some new tweeters, door speakers, and rear panel speakers. I had a brand new Infiniti G35 and it had its own amp... but somehow he got me sold on another amp and new speakers for the entire car... but when I asked for my factory speakers back and my factory amp he said they were in such bad shape he discarded them. This was 2008, the car was a 2006. Next my speaker kept going out. The voice coil kept coming apart and he said I had to contact kicker. Kicker being awesome sent a replacement without question. 3 months later same thing happened again. A 4200 system that sounded amazing when it worked was now dead... the dealer who installed it long gone. Kicker finally sent me to a place called shades of tent (RIP Richard Bass) right away he knew the guy messed up the specs on my box and rather than admit to his own mistake he took off with my perfectly good tweeters, 6.5's and 2x 6x9's with my stock amp. Richard also put dynomat in every place he could (roof, floor, side panels, all in the trunk, trunk lid, even behind my license plate) plus he did it at a fraction of the cost the original guy did... took me 3 years and lots of court dates but I finally got my money back but all the crappy sound place did was change their name to "Rolling Sound" so anyone in the Jacksonville, FL area looking for a good car audio place please make sure to stay away from Rolling Sound. They will steal your perfectly good stock equipment, then blame the manufacturer when in reality they just hire terrible installers.

Biggest mistake was believing the advertized 1600w amp before knowing what RMS was

When I bought my first sub I watched the employee slip the impact driver off the screw and straight into the cone

Rattles! #1 way to way to kill the sound quality of a system.

Poor choices when selectring the equipment ive seen it multiple times people blowing all of their money on really good quality speakers and subwoofers eg. JL and Focal and powering them with fleamarket garbage amplifiers

#4 - not having a subwoofer in your car

Make sure you have a good Chasis Ground with a short cable from the bass amp to the chasis this will help the amp run with greater efficiency and stay cooler by lowering the resistance, and Run signal “RCA”wire away from communication or power wires as much as possible this prevents EMI from pulsing in the bass signal

Also important is making sure you use sound deadening in places where the vehicle may experience rattling.

I have seen a 500w rms sub wired with 18 awg wire. It was a buddy of mine who was complaining about not having enough bass. He asked me if I could adjust his amp and I saw the thin wire. After replacing it with 14awg I had on hand and adjusted the amp,he was happy.

A mistake is also punching a hole in the surrounding when screwing it or unscrewing. That’s the worst feeling :(

You make such quality content. Thanks

The first thing I learned when I got my 1st system was if it's in a trunk use an enclosed box, if it's in an open back like suv or hatchback than ported box is needed

Old school here lol been building car/truck systems since 1988. My first real amp was a Kenwood 1020 with 2 cooling fans, it would get so hot it would fry an egg. But anyhow, we built our systems according to sound, we dialed everything in by ear. No need for this new fangled way. You build your systems according to what you like to listen to. Me and most of my friends liked metal, so when we decided to build we all had an idea of what it was to sound like. And most guys who listened to metal wanted their car stereo to sound like a home stereo. Lows, mids and highs amp to subs and a passive eq to mids and highs. Its all the dial in equipment you need!!

Ported or sealed(acoustic) suspension) should be respected by manufacturer recommendation. Neglecting this will not only cause havoc to the drivers..movement..air displacement..but will also alter impedance. Great content as always!

The biggest mistake people make is pumping more audio to a sub woofer than to midrange and tweeters. This in my opinion completely illuminates the upper and mid tonal range

MY MISTAKE WAS GETTING 2 12s INSTEAD OF 4

4g power cable and 18g ground. I see it all the time. Ridiculous. Haha

This guys designed a subwoofer box for my Avalanche about a year ago and i could not be happier

You are by far the best car audio channel here on youtube. Your knowledge, skill and honesty makes you one of the best. I find myself coming back to your channel over and over again for all of my car audio needs. Thanks for all that you do for all of us.

Stabbing the foam when the drill slips off they screw is pretty common lol

Wire gauge is important I've seen friends cars catch fire from red hot sub wires because he used normal speaker wire lol

Most common mistake I believe is that people buy enormous subwoofers for their cars. But that a small subwoofer sounds better for in there car.

Not necessarily bass output, but sound quality, not using sound deadening. I just pulled apart the plastic panels around my sub box and deadened everywhere I could reach on the sheet metal and the panels to kill rattle and resonance. Now, the bass sounds like bass.

I’ve had my 12s longer than I’ve had both my kids.

How can I tell if my sub/midrange phase relationship is correct without a dsp?

Mistake #29 : installing 18 inch subwoofer for listening podcasts.

Also, besides the SIZE/TYPE of box, just using a really cheap quality or flimsy box, and/or having one with air leaks will definitely destroy your bass performance also!

A mistake I’ve made was a bad ground and undersized wires and I struggled with bass cutting out for 6 months

Depends on witch way you point your box in the trunk, for different box.my air tight box sounds better facing towards the back trunk instead towards seats.

Nobody has money to buy a car these days, let alone to put a subwoofer in it.

I have 4 of 10” JL with 1,000 watts amp JL in my Dodge Ram truck mega cab 2500 for 4 years. Not a problem, great bounces for some bass and great sounds. I recommend JL 👍🏻

what are you guys think about putting two 12s in the cab of a truck

Hard clipping even with an under powered amplifier will damage your subwoofer.

Having them face the wrong way is one of the most common mistakes that I have seen. I have schooled a few people on this. If you have your speakers facing you, wrong. Unless you're in competitions and are pushing 10,000+ watts turn that shit around, you can thank me later. Holler at your boy if you didn't know this and tried it. Tell me what you think and how much difference it made.

I have twin kicker 15s …my worst mistake was believing what ppl said..if you’re a basshead like me then ppl’s opinion doesn’t matter to you..if you want good quality cuz your car has blown up shiddie paper cone speakers then listen to the crowd..if you’re a basshead like me don’t spend 700 dollars on voices only cuz that’s gonna leave you with no tremble..my first car was like that, brand new jbl 250watt mid ranges no plant with a pioneer radio, sounded awesome but i was missing the most important part..a bass..i just had good song quality , invest first in the subs you want and don’t install them, wait till you have your whole setup to install and buy them not by price but by quality, buy what you want and don’t settle for stores, import them if you have to, my speakers were good when i got my car but i still imported my mid ranges from brazil, cuz I didn’t wanna settle for 4 little shiddie 300 watt mid ranges😂now i have the best setup in my town…

My worst mistake is almost overpowering my old 50w sub because i accidentally read it as 500w lucky i saw the mistake before i played any songs!

Didn't realize car had active cabin noise cancelling or designed to eliminate cabin noise.

1. Too high of tuning 2. Not enough power 3. Port noise 4. Not having a correct LPF 5. Certain speakers or subwoofers act differently depending on the environment they are in! So make sure you know where your frequency response is best in the trunk or in the room

You should talk about how you have to break in your subs before you play them full blast youll blow them

Always point the subs to the rear of the car went in the trunk.. It takes basewaves like 15' to develop and putting the speaker's facing backwards helps add Space to develop the base waves

The biggest mistake I see more times than I can count is people insisting on having an epicenter without actually know what an epicenter does.

It's been a long time since I've done a custom sound system. I speak very highly of my little Digital Designs 8 Inch Sub with its enclosure that I used to have. Absolute beast in a family sized car.

Do you recommend an open type of box?

How about sub location where reflection cancels out the wave.

Taramps 800.1 with a 400w 10" sub. They say always go with more power. It melted the VC. Sounded amazing for the 5 minutes it worked.

Wire Gauge. Had a buddy running 2 15" subs on 20 gauge wire for like door speakers that was 6ft long. I installed 12 gauge that was only 2.5 feet long, just enough to get from amp to subs. Watts went up and so did the boom. He won the next Bass meet he went to by 20dBs just from the wire.

I have interest in these Subwoofers for home use. Short & sweet video valuable information. 🔈🔊🔉✅👍

those jl audio speakers are so nice

From this video I have learned that my polarity could be off from the mids and sub thank you

Buying speakers and amps without considering ohm loads. There is a big difference in performance between speakers wired to 1 ohm and 4 ohms.

Something that will destroy bass? Sitting in a 50,000w subwoofer build, then driving home in a 1,000w subwoofer build.....

Always put a board over the sub surface when screwing the sub to the box so you don't slip and put a hole in the sub. I learned the hard way. Also put a rag on the backside connection when soldering the wires so it don't drip and put a hole into the foam.

Building way too big of a box is a common mistake I make. Then I have to trim the box to fit sub. Think of it like tuning the hard way XD

i was, and still am, a very budget person, and using bad materials is a big issue for performance, especially too little thickness of wood or soft wood types, since some very soft types of wood will ruin the bass completely,

Overpowering and crushing the coil when you can hear the snap back. Also melting the coil from overheating doesn't help either. I like this comment thread, it's fun.😊

I’m an English teacher that knows basics…. I’m learning so much from you and want to thank you for a consistent clean presentation. I started attending an AP Physics class on campus that my friend teaches for ohms law and such - you got me hooked. Thanks brother …. 🤙🏾 PS Sometimes I buy equipment to help her teach- good sound comes from quality - and it’s expensive. You were right on both counts.

Can you link me to a video that explains the mid/sub phase relationship? I’ve always wondered what the phase switch setting actually does.

This was about 25 years ago. A Polk Audio dB12 in a 1 cubic foot sealed box "ejected" or "blew" the voice coil and part of the spider and cone out of the box. Polly fill was on fire and blew out with the voice coil and half the speak and melted the carpet on the back of the back seat of the hatch back. The fill in the box was smoulder and releasing lots of gas. I guess I had stuffed way to much polly fill and it melted and gassed and created enough pressure to destroy the speaker.

Subs usually have reverse phase, and facing rear. Try it and listen

I love how you curved the board at the end !!! SO GONNA DO IT!!

I'm not sure if it is a mistake or error...my subwoofer is having like power cut whenever i jack up bass volume...

Is it possible to go too big on a sealed box? I mean, we always pay a lot of attention to the minimum volume required, but what about the maximum volume possible? Any thoughts on that? I want a sealed box for a vw bug, but I want to get the best out of the sub as humanly possible. I know that a bigger sealed box will let a subwoofer get better low end (like sub 30hz), but I'm not sure how much is too much.

The biggest mistake u can make is having no bass port for your subwoofer!

One thing that made me pissed (more than once) is that I accidently rammed a screwdriver through the surround, when tightening the woofer screws! By looking at the thumbnail, I thought this might have been one of the 3 mistakes. 😅 Always put a slight outward force on the screw, just in case it slips off the screw. 😅

If you have a 90s Lexus Ls400 the trunk is built like a brick house.Not to mention that the gas tank □ plus a metal firewall is behind the back seat.The rear panel was cut by the previous owner.So the bass enters the car.I am going to cut the rear panel even more.

What box is best for 2 10" w7

My own personal error was using 2 subwoofers of differing max wattage(1000W and 500W), and differing RMS ratings(250WRMS and 175WRMS). The speakers were competing for power and never hit the way I was hoping. Am ditching the 500W speaker. It is still good, but there's no place for it in my new setup. Will be running 2, 1000W max, 250WRMS, 12" subwoofers at 4ohms, a 3.5Farad capacitor, and a 1500W amplifier. I'm currently awaiting the 2nd subwoofer to ship to me, along with an I/0 gauge "Big 3" upgrade kit from Skar Audio. Should take care of many of my previous issues, especially after I get the head unit wired up the way it should have been(idiot previous owners had no idea what they were doing when they butchered the audio harness the way they did, x4 butt connectors for each wire they cut into, as opposed to just buying the stock-to-aftermarket adapter harness...).

Efficiency of lowering the resistance of driver to coupling to the air is where horns shine. "Voice of the theater" was proof. RAFTER RATTLING BASS from 10 watt tube amps of the 50s was the result. Thoughts? ✌️✌️✌️

When the subwoofer is loose or something and you hear rattling wood everytime.

Not having the rj11 volume knob option, AND also not putting an in line volume control on the RCA cords. Gots to have the volume control. It makes all the difference.

Depending on how you count the mistakes, this is either 2 mistakes or 4, not 3 lol. Polarity, DSP, air volume, box type. Or polarity/fix with dsp and air volume/fix with right box

Tip to everyone that works on speakers if you’re worried about the drill, slipping and smashing into the cone or the woofer just get a piece of metal or a metal bucket and put it over that way if you slip all you’re gonna do is hit the “cover” and not the speaker

Not sanding the paint down to bare metal for the ground screw. Also, using a ground screw that wont tighten up enough, causing sparks, and sporadic amplifier performance.

Don't block vents. Don't paint woofer cone & foam. It will minimize xmax ===> to less bass. Don't paint spider. Don't add weight to the cone.

Whats the difference between open hole in subwoofer and putting membrane instead so its sealed?

Seeing and hearing my friends mom's Klipsch home speakers with a passive radiator and decided to make a custom box for the rear of mustang GT. Knocked the magnet off an old sub I had and went to work. Everything was ok, box fit good looked ok but was totally unaware of the weight added to a passive radiator needed to make it work properly. Needless to say I had a lot of distortion although it pumped pretty well

Or do the first thing Controlled for insane depth in base 😩

I love your channel a lot I love all of your information I learn how to run wire through a car but I'm still learning as I go to complete my own sound system someday

Worst mistake I see a lot of times is weak/ incorrectly braced boxes. And leaks/ holes where it should otherwise be sealed unless it is a port and that absolutely ruins bass. A ridgid box is essential for performance

Wouldn’t out of polarity make them work with each other? Correct polarity works against each in the same box. That resistance of air flow gets them tones. Somehow I think this only makes sense to me.

Mistake #1: Not knowing what this 'phase change of Mid-rangewoofer to Subwoofer'. (?) I tried working with a box, it made a woof sound when I broke the sealed box.

The wiring invert polarity doesn't means that always it isn't incorrect. Sometimes it's needed to avoid being out of polarity and being on polarity, specially with the bass that is more sensitive to this phenomenom :)

When people show up wanting me to hook up their system....all BOSS junk. It was a long day knowing it was going to sound like shit at the end.

Turning the bass up on your stereo instead of leaving it flat and letting your amp do the work

Can I install 4 door speakers to my factory stereo with a 2 channel line output converter? It had RCA outputs for “main L and R” and “bass L and R”

when talking about "phase", what is your explanation about the isobaric system

Can I parallel two subwoofers with different RMS ratings? eg :- 100W RMS sub + 200W RMS sub with 300W RMS rating amplifier

Talk about how windows down is way louder and sounds way better as well

Biggest mistake? 10” subs are underrated and underestimated

Not having JL Audio is mistake number 1. ✅

I’ve made the mistake of the low pass filter wasn’t on and my friend has done it too

10” JL w3 was setting off alarms in a tiny enclosure and a Walmart amp lol. If you want bass you’ll get it no matter what.

i was in my friends car. And i noticed he was using flat eq on his radio. Set that Shi to superbass and he was blown away by the bass!

Blocking the port. However wide the port is, you need that much clearance in front of the port as to not obstruct the air flow.

What are your thoughts on using dielectric grease on the connectors to the bass, amp, dsm and such?

Biggest mistakes I see are on the head unit, people cutting the harness instead of getting the correct adapter. But for subs I think using cca instead of ofc, I guess its ok for low powered systems but ive seen 18 gauge cca speaker wire from 1200 watt amps same with power wires.

Using small gauge wiring for high power application's