Crutchfield amplifiers 8000
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Crutchfield amplifiers 8000
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New amp time...soon
By virtuetovice, May 6, in Car Audio. The amp SAYS " watts" on the case. Load of bs considering the RMS is 50x2, and the bridged power is , both according this page on crutchfield. So anyway, I got everything hooked up and the sub worked for a little bit but as I cracked it up, it acted as if that piddly little amp just wasn't enough. I kept messing around with the amp and it eventually overheated and that smell of blown electronics engulfed my car. Since then, I snagged this off craigslist:.
Much better than those piddly 50 from that last amp right? Not so much. I'm getting hardly anything out of this subwoofer. IS there any way for sure to tell whether the "new" amp is blown or is it my sub? The guy I got the amp from buys storage units. Real cool older guy, very old fashioned and said he'd have no problem taking it back if it is found to be defective. Never mind. Hooked it up to the surround sound and got hardly anything. Half of them were fused to the magnet in the bottom.
Oh well What happened is you clipped the sub and exceeded the thermal limitation of the voice coil. The RF amp you got is good for front components, not subwoofer use. At 4ohms, that's good for W RMS on a good day. I would highly recommend you read the following before proceeding. If you've chosen your components wisely, you'll bottom out the former and hammer the back plate making loud smacking sounds of a good subwoofer before you ever thermally fry the voice coil.
If you take a given amplifier, let's say watts and operate it just below clipping with music material, the "Crest Factor" of the amplifier's output is equivalent to the "Crest Factor" of the program material. For example, a pure sine wave has a "crest factor" of 3dB, meaning that it's peak level is 3dB higher than its average level.
We all know that 3dB represents a power factor of 2, so another way to look at it is that the peak power of the signal is twice that of its average level. So, if we play a sine wave on our watt amplifier, just below its clipping level, the average power over time the speaker is needing to dissipate is 50 watts. A true square wave, by comparison, has a crest factor of 0db, so it has equal average and peak power. Our watt amplifier, playing a square wave, unclipped, into our speaker requires that the speaker dissipates watts of power twice the heat as a sine wave.
Music has a significantly higher crest factor than sine waves or square waves. A highly dynamic recording Sheffield Lab, Chesky, etc. So, if we play our watt amplifier just below clipping with the typical audiophile recording our speaker is only needing to dissipate 1 watt of average power over time.
Modern commercial recordings typically exhibit crest factors of around 10dB, meaning that the average power is 10 times lower than the peak power. So, our watt amp just below clipping would deliver an average power over time of 10 watts that the speaker has to dissipate.
Okay, so what happens when we clip the amplifier which we all do at times. When the amplifier enters into clipping, the peak power no longer increases, but here's the KEY We can often tolerate a fair amount of clipping So, if we turn the volume up 10dB higher than the clipping level with our Sheffield Lab recording, we have now reduced the crest factor of the signal reaching the speakers by 10dB If we turn up the volume 6dB past clipping on a compressed commercial recording or bass music recording , we have taken the crest factor of the signal from a starting point of 10dB to only 4dB, asking the speaker to dissipate an average power of 40 watts instead of 10 watts SO, in most cases, the reason clipping can damage a speaker really has nothing to do with anything other than an increase in average power over time.
It's really not the shape of the wave or distortion When someone plays Bass Mekanik clean unclipped on a watt amplifier the average power is watts 10dB crest factor. You can also make watts average with Bass Mekanik by heavily clipping a watt amplifier.
If someone is blowing a woofer with watts of power due to a lack of restraint with the volume control When woofers are rated for power, an unclipped signal is assumed.
We use test signal with a crest factor of 6dB for power testing and can run a speaker at its rated power for hours and hours on end without thermal or mechanical failure.
For example, a W1v2 can dissipate watts average power for eight hours or more with signal peaks of watts. So, we rate the speaker for W continuous power. This way, when a customer needs to choose an amp for it, they will hopefully choose one that can make about W clean power Even if they clip the bejeezus out of that amplifier, it is unlikely that the speaker will fail thermally.
This is a conservative method, but it needs to account for the high cabin temperatures in a car think Arizona in the summer which significantly impacts heat dissipation in the speaker. A top plate that starts at degrees F is not as effective at removing heat as one that starts at 72 degrees F in the lab Clipping essentially raises the average power of high frequencies to a point that can damage tweeters Well I'm in the market for a new 15 inch Probably gonna end up using that Audiobahn W Are you going to build a new box, or are you looking for a 15" just to fit in an already existing box?
If so, how well built is this box, and what are the dimensions including port dimensions if available? What's your budget for the 15? For the record, Audiobahn is more on the low and midrange of car audio. Very flashy and generally not geared for sound quality. Quality equipment is generally always CEA certified.
I don't believe Audiobahn amps are CEA certified. I second everything Andrei said. You clipped the hell out of that amp and took out the sub. I'm not sure what shops you're going to but I would not say Audiobahn makes "good" stuff. Its not garabage, but not really good either, I've always refered to them as Audioburn. That being said, that amp should be fine to push one Just keep in mind that the amp is only 2 ohm stable so make sure to get a DVC 4 ohm sub.
Don't worry about the CEA stuff. First off, it's a voluntary system that only allows for the RMS wattage and harmonic distortion figures to be verified. I would worry more about build quality than the power output anyway. While this is true, it gives you assurance that the device actually meets and performs at its intended specification. Hifonics amps used to not be CEA certified, and you'd get W of clean power out of their WW RMS rated amps on a good day, and you'd think you were getting a great deal the whole time.
There are a few small but excellent companies that sell equipment that's not CEA certified Sundown Audio and Incriminator Audio to name two , but for mainstream use, I don't bother recommending it it if its not unless that specific amp has been bench tested. Well to be honest, the "Box" was a home made bass tube. It consisted of nothing more than a 15" wide plastic chemical barrel similar to this one, with a 6" wide hole cut in the side; painted black. Creative, but functional and safe for the sub??
Not exactly sure. Of course my barrel doesn't have the spigot or the black thing on top. Buying a new sub, I probably wouldn't risk installing it in something half-assed like that unless someone more educated in audio thinks it wouldn't pose a threat. I'm not sure your sub would fit in my trunk.
I guess having a sub in a barrel wouldn't hurt anything as long as there are no air leaks. But im sure it would sound like total ass. You can post now and register later. If you have an account, sign in now to post with your account. Paste as plain text instead. Only 75 emoji are allowed. Display as a link instead. Clear editor. Upload or insert images from URL. Is my sub blown? Share More sharing options Followers 0. Reply to this topic Start new topic. Recommended Posts.
Posted May 6, Link to comment Share on other sites More sharing options RobertISaar Posted May 7, Posted May 7, Posted May 7, edited. The only thing that thermally damages speakers is power
sub and amp combo package
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Car audio amp
Crutchfield has been selling awesome gear for enjoying audio, video, and more since In our first-ever podcast, co-hosts JR and Eric interview Crutchfield employees to find out what gear they loved so much It's the end of Season 2, and what better way to celebrate than by answering real questions from real customers. Here's a full episode breakdown: - Why do your holiday shopping now? And, of course Thanks for listening and talk to you again soon in Season 3! They chat about his work, the gear he loves, and some of his all-time favorite concerts. Plus, J.
Crutchfield home audio
Music has become more of a therapeutic remedy for many people today and it is paramount that you get quality whether you are at home or in your car. An amplifier drives your sound system and is essential whether you are improving your car sound system or installing a new one. A good amp that is carefully weighted to your speakers input should orchestrate quality sound through high-frequency sound and low bass beats. Clipping in car audio refers to the situation where the amplifier suffers distortion due to insufficient power.
Yamaha Amplifier Olx Lahore
The subs hit hard and make some pretty good bass but the only drawback is the amp. Add to Cart. Free shipping. Combo Packages. While the power-handling characteristics of your speakers certainly does come into play, a good amp can do wonders even for a stock setup.
how to install car stereo wiring
Trying to figure out which of these bikes or scooters to buy? This is an easy DIY project. Shop with confidence. Skip to main content. Find great deals on eBay for commando amplifier. Wireless adapters are easy to use,. Commando Car Alarms offers free wiring diagrams for your Cadillac Deville. Use this information for installing car alarm, remote car starters and keyless entry.
Power amp 4 channel diagram
This reliable and compact KX Series rocker remains cool even when pushed hard, thanks to its high-mass heatsink, high-tech internal components, and the efficient Class-D amp technology. Either input method speaker-level or RCA will provide a low-level input sensitivity differential RCA inputs, which will accept either speaker-level Will have both items tested in front of you to demo theyre in working order. Best bass systems for your small car or hatchback. The remote turn-on In , I finally came to my senses and got this job at Crutchfield.
Audiolab 6000a subwoofer
RELATED VIDEO: McIntosh MC152 stereo power amplifier - Crutchfield videoBy virtuetovice, May 6, in Car Audio. The amp SAYS " watts" on the case. Load of bs considering the RMS is 50x2, and the bridged power is , both according this page on crutchfield. So anyway, I got everything hooked up and the sub worked for a little bit but as I cracked it up, it acted as if that piddly little amp just wasn't enough. I kept messing around with the amp and it eventually overheated and that smell of blown electronics engulfed my car. Since then, I snagged this off craigslist:.
Crutchfield Review
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NAD M28 Seven Channel Power Amplifier Review
A combination of the illustrious and class-leading A integrated ampli? Found a great deal on a new Audiolab a so I decided to upgrade from my Powernode 2i. Now, simplicity is the ultimate display of your sophistication. About the Audiolab A The Audiolab A Stereo Amplifier is equipped with a series universal remote control, all functions of A can be mastered within one hand.
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