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Peavy SP2-XT crossover

It is a crossover to seperate lows and highs in a sound reenfocement speaker system. I just need a schematic with the component values on it. can u please help w/that. thanx, hambonexl (michael)

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  • hambonexl Sep 20, 2007

    u didn't have a pro audio selection so i hope the one i chose is sufficient



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If you place an ohm meter across the capacitors, the ohms should slowly drop as the capacitor charges. You can check continuity of the coils with continuity function of the multi tester. is a good source for quality components.

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SOURCE: sound went limp i think it the crossover

Define limp. No highs or no volume?

Logically, what one thing would affect both speakers? Logically, how would a crossover failure mute anything but the tweeter?

So, what happened just BEFORE this problem appeared?

I'd look at the electronics.

Posted on Feb 25, 2010

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SOURCE: iw-803 earthquake sound in wall

many amplifiers protect against a short and against an open. They are looking for speaker resistance within limits. Your wire to the speaker may be too long or too thin. You may have hooked up more than 1 speaker per output causing too low resistance. Keep your wires short as possible and use 12 or larger gauge wire if you are driving large wattage speakers. Check the ohm rating on your speakers and compare them with what the amplifier calls for. Hope this helps

Posted on Jan 03, 2011

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SOURCE: Hello........ looking for a schematic

Did you find a solution? Dunno if it's much help, but I just today picked up some 501s - Series I I think - ugly heavy brown material grilles - but with a manual! No fuses in these, but booklet recommends installing your own in-line fuse holders (!?). Specifies a BUSS AGC-3 fuse for amps under 50wpc; or a MDL-2 fuse for amps over 50 wpc. Can be placed is series with either or the two signal wires. Very strange.... Robin

Posted on Jun 12, 2011

  • 5 Answers

SOURCE: Hello........ looking for a schematic

Why don't you just ask Bose what rating the fuses are? A lot of manufacturers just don't like supplying circuit diagrams, but they might tell you about the fuses.

Does the user guide say anything about the fuses?

You were on the right tracks regarding how much of the signal the tweeter receives. I don't know how much, but it's a small percentage of what the woofer gets.

Hope you find the correct answer soon.


Posted on Apr 09, 2012

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1 Answer

What is a crossover an what does it do

Basically a crossover filters high and low frequency sound into separate bands and then only allows that band of frequency to reach the speaker! Uses are for feeding a sub woofer with low frequency sound and a tweeter with high frequency sound!

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Subwoofer makes noise like an untuned TV regardless of volume knob

I would suggest your crossover unit has failed in the speaker cabinet. The crossover circuit board separates the low and high frequency content of your stereos audio signal. The low frequencies go to the bass unit (woofer) and the high frequencies go to the tweeter speaker. If the capacitor on the crossover goes open or near open circuit then noise is introduced into the sound system. Replace either the capacitor or crossover unit.

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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

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Peavey sp2xt speakers horn makes no sound when plugged into normal input. Horn works fine when plugged into the high side of the crossover.

High side speaker input jack defective, as they are switch also and if you plug the wire from the amp in full range and no hf sound but connecting directly to the bi-amp hi does, then your female 1/4 plug at crossover is defective for sure.

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Can one(1) Peavy PV 2600 amp provide enough power for two(2) Yorkvilles 15" 300W full range and two(2) Yorkvilles 18" 400W subwoofers?

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Sep 15, 2010 | Peavey Pv 2600 Power Amplifier

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Can we use the subwoofer as an amplifier for speakers? it has jacks for speaker in/out, but i can't figure out how to make it work because the speakers have no sound.

I don't believe this hookup is amplified; but, if you have used the regular unfiltered speaker connections from your receiver/amplifier to hookup the subwoofer, the system will pass the signal thru the outputs subject to the crossover adjustment on the back panel. You cannot get the full signal if your system is sending only the bass signal to the subwoofer. I have copied the instructions below from the manual. You would set the high freq crossover to the low end of your satellite's frequency range. The full manual is here:

High-Pass Control
• If you hooked up your subwoofer
as shown in Hookup
3 on page 4, you also have
the capability of adjusting
the high-pass frequency.
The High-Pass control
determines the frequency at
which the main speakers
will start reproducing
sounds. If your main speakers
can comfortably reproduce
some low-frequency
sounds, also set this control
to a lower frequency
setting, between 50Hz –
100Hz. This will concentrate
the subwoofer’s
efforts to the ultradeep
bass sounds, while your
main speakers continue to
reproduce the mid-bass
information. If you are
using smaller bookshelf
speakers that do not extend
to the lower bass frequencies,
set the high-pass crossover
control to a higher setting,
between 125Hz – 180Hz.
With this setting, your main
speakers will not have the
burden of reproducing any
low-frequency sounds.
• If you hooked up your subwoofer
as shown in Hookup
1 on page 3, the high-pass
frequency is fixed at 180Hz.
• If you hooked up your subwoofer
as shown in Hookup
2 on page 4, there is no
high-pass control. Unless
your receiver/amplifier
incorporates a high-pass
crossover, your main speakers
will continue to get a
full-range signal.
Final adjustment and blending
of the low-pass and high-pass
controls may evolve over several
listening sessions. A good
starting point would be to set
both the low- and high-pass
controls to the same frequency
and adjust from that point.

Sep 07, 2010 | JBL PSW-D110 Speaker

1 Answer

Internal wiring schematic for a JBL 4311 WX-A

the conductor xxx\blk is the minus or black( from speaker) the outher is positive\red pin from speaker) the woofer is bigest speaker inside is connected on the crossover at low output, tweeter at high output, if you connect wrong you can burn speakers and crossover, you can test with very low volume on amplifier.

1st connect low to woofer, it only her low freq below 500Hz like drums and bass, if connect on med out the speaker is working as handpocket old radio audio. if connect on high the speaker is like no audio out. (the woofer take about 60-75% of amp power).

2nd connect the midrange at mid output you can listen to human voice cristal clear. if connect on high output you listem like esteric female shouting.

And connect the tweeter at the empty output

Take particular attention on polarity terminals, if you exchange the polarity you have a moofle sound traped inside of speaker, and some structered box noise who may open the box panels in future.

Feb 16, 2010 | Audio Players & Recorders

1 Answer

I have a 04 silverado do i need to install my component speakers in series or can i hook up woofer to factory wing and tweeter seperate from factory

With component speakers it is imperative that both the speakers be hooked up to the supplied crossover. Wiring them in series or parallel will not yeild satisfactory results since the woofer requires lower freequency then the tweeter, which plays the high notes.

Now some cheaper speakers do not use crossovers and sound rather poor. What make and model of speaker are installing? Does you truck already have component speakers in it?


Jan 06, 2010 | Alpine SPS-600C Car Component System

1 Answer


After examining a picture of a 5802 ( I have been servicing adcom for over 20 years ), these are not bi amp posts, but bi wire posts.

Bi-amp means that 2 amps are being used, one for highs, one for lows. This means that you have no crossovers in the speakers, instead, you have an electronic crossover between the amps and the pre-amp. The highs and lows are separated in the electronic crossover. One amp handles the lows, one handles the highs.

Bi-wire means that you have the crossovers still inside the speakers. The amp handles the full range of music ( highs-mids-lows ). Different kinds of speaker wire produce different results. If you have bi-Wire terminals on your speaker, they come with shorting wires, that tie the tweeter + to the woofer + on the back of the speaker, and the tweeter - to the woofer - . When the shorting wires are removed completely, you have now electrically separated the tweeter and woofer from each other, while maintinaing the crossovers ( inside the speaker ) for each.When this is done, you can now bi-wire the speakers and amp, and use different kinds of wire for the lower frequencies and the upper frequencies, depending on your ears ( everyone hears a little differently, thats why there are so may makers of components, and wire ).

Why do we have crossovers?.....the tweeter voice coils ( the things that make the sound ) are made of hair thin wire. This wire cannot handle much power and if you were to put bass in to a tweeter, you would burn the tweeter out almost instantly. A tweeter is a very light, fast moving device which can react very quickly to high frequency sounds ( symbols, triangles, guitar strings....). Woofers are more rugged. They have voice coils made of heavier wire and are designed for larger movements that Bass demands. Subsequently, woofers aren't very good for high frequencies because they are slower devices.

So what do we do ?.....Keep the lows away from the tweter and the highs away from the woofer.....thats the job of the crossover.

In the event that your speaker has the crossover OUTSIDE the speaker box, you should check ( as always ) with the manufacturer of the speaker to see how it can be changed to suit your needs. Remember to always read and follow your owners manual. Good luck....Rob

Feb 22, 2008 | Audio Players & Recorders

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