Question about Alpine 600W Class D Mono MOSFET Amplifier with Adjustable Crossover

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Lpine Type-X 5.25 component speakers- Crossover problem

I need to know the capacitor value for the tweeter as the capacitor is not working and the factory one is all black with no writing.

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  • Alpine Master
  • 4,751 Answers

You can use any providing you can determine the max voltage in the device and the polarity.
If the capacitor in the unit has a wire out of each end and both ends have indents then it's a non-polar type.
Speaker capacitors for tweeters tend to be around 2uf.
The Voltage of the capacitor should be bigger than any voltage in the device.

Posted on Feb 16, 2009

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My crossover on Behringer speaker cab ba-115 (15" bass driver plus tweeter) is bad. Does anyone have the schematic before I tear it apart?


There is very little to an inspeaker crossover that could go bad unless it was SEVERELY overdriven. I recommend checking the speaker individually on a wire from a stereo or something powered to verify this. A crossover is nothing more than a capacitor (high cutoff) and an inductor.(low cutoff). The 600 watts rating of the cabinet is an RMS rating, meaning, .707 actual peak value free of distortion. This means that you can only drive it about 71% of that without distorting or damaging it. You said, "very little signal gets to the speaker", which sounds like "very low volume" meaning, magnet stuck, speaker not moving much, meaning warped voice coil. Check that the speaker will move back and forth with your hand freely without interference or scratchy noise. If it doesn't, the voice coil is warped and the speaker needs to be reconed or replaced.

Mar 12, 2013 | Music

1 Answer

What is the impedance and do they need a capactor on or is crossover built in?


Product MPN MPN RTC 19 Key Features Car Speaker Type dtrquestion.gif Component Car Speaker Function dtrquestion.gif Tweeter Size 1" Nominal Power Handling dtrquestion.gif 70 Watt RMS Technical Features Peak Power Handling 130 Watt Frequency Response 2500 Hz - 32 kHz Sensitivity 87 dB Impedance 4 ohm (Dual Coil)


please be advised you need the crossover that came with it, or you will need an active crossover dedicated to an amplifier to run these.

Aug 14, 2010 | MB Quart RTC 19 Car Tweeter

2 Answers

Tannoy reveal speakers have lost treble


What you need to do is connect a 1.5 volt battery to the speaker(s) terminals for a split second. Put your ear to the tweeter at the same time (you might someone to help you do this). If the tweeter "pops" it works, if not you might have blown them. The best way would (to be certain) is to remove the tweeter from the crossover inside the unit.
Tweeters are the first thing to go when the speaker has been connected to an amp that is wrong for them or they have been run at high volume.

Apr 20, 2010 | Tannoy Reveal 6D Speaker

1 Answer

How do i wire the crossover on the dxd210/213


If the crossover is made to accept speaker level input from amp then.....Amp/head spkr output + to crossover + input. Amp/head spkr output - to crossover - input. Crossover midbass + out to midbass spkr + input. Crossover midbass - out to midbass spkr - input. Crossover vari-tweeter + out to tweeter spkr + input. Crossover vari-tweeter -3 or -0 or -6 out to tweeter spkr - input. You have to choose for your preference. 0db makes the tweeter respond normally. -3db mean 3db lower in volume...and -6 means 6db lower in volume. Choose based on your liking.

Apr 12, 2010 | MB Quart - 5.25" 2-Way Component Speakers...

1 Answer

I need installation manual


its not a subwoofer it is a midrange speaker. all you do is connect your outputs from the radio to the crossover then connect both the tweeter and midrange to the outputs on the crossover. it is called a component set.

Oct 01, 2009 | Quantum Audio QP500C Car Subwoofer

1 Answer

No sound out of tweeters, highs out of woofers?


it does sound like you shorted out your crossover which can be fixed if you know what you are doing, but in the long run i would try to get another one i know that raidoshack sells some small ones and is also cheap, if your positive that you didnt short out the crossover se if it needs power, see if you can cross your woffers and tweeters on the crossover, if not is there any settings that u can change on the crossover? hope i helped :)

Apr 28, 2009 | Jl Audio VR650-CSi Car Component System

1 Answer

Tweeters????


Hi oddone

You may have a problem with either blown tweeters, or a faulty cross over, or both. If you have a multimeter, you can remove the tweeter, and check it DC resistance. They normally have their impedance marked on the back of the magnet. If not, you can assume they should measure 8 ohms. If they measure open circuit (high resistance), then they have failed.
A good speaker repair guy can often fix an open circuit tweeter as they often break where the very fine wires attach from the voice coil to the terminal. you can take a turn of the voice coil and reterminate to solve this problem. If the voice coils are burnt, they will need to be replaced.
If the tweeter meters ok, then you may have a problem with the crossover capacitors going dry. Generally they are 2.2uf to 6.8uf in value, the smallest cap in the crossover. If the plastic coating on them is split, or they look a different colour to the rest of the caps, replace them, if they sound "hollow" replace em, if you are not sure, replace em. other than that there is not alot more to look for with a speaker box tweeter Good luck and happy listening.

If you have any dramas, get back to me here and we can talk more about it.

regards
Graeme

Mar 16, 2008 | Audio Players & Recorders

4 Answers

Wharfedale Modus One


The tweeters are probably blown, i had the same problem.
You can test this by placing the cable on the dismanteled crossover at the back of the speaker. colour blue/yellow.
No high volume please.
See http://www.hometheatershack.com/forums/diy-speakers/4549-wharfedale-modus-one-six-crossover-pics.html
for pictures.
If the tweeter is blown it can be dismanteld with the aid of a screwdriver, horizontally.
Place it between the tweeterbowl and the ring which has the mark wharfedale on it. The tweeter comes loose. On second hand sites you can buy little speakers, like modus one or two's with the same tweeters for a good price and put them on your larger speakers.

This how i repaired 2 of my 4 modus eights.

good luck Danny Mol
the netherlands

Jan 15, 2008 | Wharfedale Modus One-Six Speaker

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