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Eminence PXB2:3K5 2-Way Speaker Crossover Board 3,500 Hz

Brand:| Model: PXB2:3K5
Overview
Eminence pxb crossovers feature advanced circuit design to both preserve the crossover and your HF drivers.
Highlights
  • Crossover type: Two-way, board only
  • Crossover frequency: 3,500 Hz, 18 dB/octave HP, 12 dB/octave LP
  • Power handling: 400 watts RMS
  • Made in the U.S.A.
Part # 
290-636
Weight: 0.64 lbs.  
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List Price$39.99
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Product Details

Eminence PXB2:3K5 2-Way Speaker Crossover Board 3,500 Hz

Eminence pxb board-only crossovers are a lower cost alternative to the "cabinet ready" models and are targeted specifically for custom cabinet projects as they do not include the terminal cup, input connectors or L-pad found on the "cabinet ready" models. They feature advanced circuit design to both preserve the crossover and your drivers. A benefit of the design is to form a voltage divider across the high frequency driver.

The high-pass protection uses custom-built aerospace lamps. The tungsten filaments effectively track the program material, dynamically maintaining a safe maximum current level to the high frequency driver without introducing distortion. This circuitry provides smooth 3:1 analog compression during input overload conditions over 250 watts RMS. At full drive level approaching clipping, the electrical attenuation to the protected high frequency driver is -4.5 dB. In every way, Eminence pxb crossovers are a technically superior product. For use with 8 ohm drivers. Dimensions: 6" L X 4" W X 1" T.

Featured in Eminence's "Using coaxial products for DIY monitors and home hi-fi applications" article.



Product Specifications
  • Crossover Type2-Way
  • ConfigurationBoard Only
Eminence PXB2:3K5 2-Way Speaker Crossover Board 3,500 Hz
  • BrandEminence Speaker
  • ModelPXB2:3K5
  • Part Number290-636
  • UPC876358001453
  • Product CategoryAssembled Passive Crossovers
  • Unit of MeasureEA
  • Product Rating
    (10 Reviews)
  • Weight0.64 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Eminence PXB2:3K5 2-Way Speaker Crossover Board 3,500 Hz
Eminence PXB2:3K5 2-Way Speaker Crossover Board 3,500 Hz is rated 4.4 out of 5 by 10.
Rated 5 out of 5 by from 18db tweeter roll offI needed a good crossover for a 4 1/2 inch woofer with a soft dome tweeter. I put them together with only a capacitor for a crossover. System sounded good at first but lacked balance. Once I installed this Eminence crossover, the system sound more normal. I have high quality drivers which needed a high quality crossover. I couldn't be anymore pleased.
Date published: 2014-04-14
Rated 5 out of 5 by from Eminence PXB2:3K5 2-Way Crossover Board 3,500 HzThe crossovers are well made and sounded great on some JBL D140's and horns. I made mounting boards to make the instalation easier.
Date published: 2014-02-04
Rated 5 out of 5 by from Sounds Good So FarI used this crossover in a gutted Yamaha S115IV cabinet with an Eminence PSD:2002-8 horn driver, Goldwood GT800PB horn, and Dayton PA380-8 woofer. I hooked it up tonight for the first time with my Crown XLS1000 amp in Bridge mode. That's supposed to be 700 watts @ 8 ohms. The cabinet sounds very good even at high volume. I can't imagine that it sounded any better with the original equipment. I plan to use the cabinet and amp combo as a monitor for the drummer. Shouldn't hear any complaints that it isn't loud enough.Anyway, the crossover was very easy to mount and wire, and seems to work very well.
Date published: 2012-05-10
Rated 5 out of 5 by from Works greatI have it installed in a cabinet with a Dayton Audio PA380-8 15" Pro Wooferand a Pyle Pro PDBT58 bullet tweeter and the combination sounds great
Date published: 2011-12-26
Rated 5 out of 5 by from AWESOMEI purchased this crossover for my 4X10 bass cabinet 4 Eminence speakers 1 Foster horn. Since my purchase sold my SWR cabinet with this crossover in this cabinet the SWR did not compare very well built product.
Date published: 2011-02-17
Rated 5 out of 5 by from better than I thought.I purchased this just to ensure the frequency; particularly with the horn. It sounds much better than I imagined. My speakers strangely quiet! The resonance is beyond my expectations. I was worried prior to my first time listening to them yet I was pleasantly surprised.
Date published: 2011-02-17

Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
Eminence PXB2:3K5 2-Way Speaker Crossover Board 3,500 Hz

Is it necessarry to have a separate crossover for each speaker?

I have an acoustic guitar amp with 4 ea 8-ohm speakers; all four blown. Got the eminence CX2008 speakers, and just found out I need to get the tweeters separately, and need a crossover or crossovers. How many speakers will each crossover handle?
Asked by:
This crossover is a two way crossover so each crossover can take two speakers. One tweeter and then a mid or subwoofer. 
Answered by: BeetzyBoy
Date published: 2012-11-10

Is this designed for an 8ohm woofer and an 8ohm tweeter? Would the total load to the crossover appear to the amplifier as 16ohms, 8ohms, or 4ohms?

Respectfully, was considering replacing one of four 10" 16ohm bass drivers from my custom 4ohm bass cabinet with this coaxial system and wanted to balance the load near 4ohms again... ideas? Warnings? THREATS?
Asked by: Doc Brown
Its for 8ohm drivers; and would be 8ohm output.
Answered by: chris smith711
Date published: 2012-04-20

Do I need to reverse the polarity of the horn with respect to the woofer?

I've read that there is a phase reversal through a crossover. That is, the horn signal may be 180 degrees out of phase with the woofer signal. Is that true? Should I reverse the polarity of the horn wires? The cabinet sounds great as is. I'm not sure my ear would hear a phase problem or not.
Asked by: garya
Because this crossover has asynchronous slopes for high- and low-pass, the phase of the tweeter will be 90° behind the woofer. Reversing leads to the horn would still result in a 90° offset - though it may offer a slightly different sound. Since the band of overlap between drivers is fairly narrow it is unlikely to make a dramatic effect in the sound you hear, or the performance of the speaker system.Because of differences in diaphragm location and other factors, there can be instances where a 90° offset is desirable for timing purposes, so if absolute fidelity is important to you it may be worth experimenting with inverted polarity - you may observe slightly more realism on snare drum 'attack' or the imaging of non-electrified instruments, one way or the other.
Answered by: edegaston
Date published: 2013-01-08

Can this crossover be used with the eminence Beta-8CX coax driver with an added GRS PZ1188 Piezo tweeter.

Asked by: Paradigm
Yes although you will need to install an 8 ohm resistor in parallel with the piezo tweeter in order for the crossover to function properly.
Answered by: MattP
Date published: 2013-01-08

crossover freq using a 4 ohm woofer

If I use a 4 ohm woofer with this crossover, will the crossover point be cut in half to approx. 1800hz? I am guessing that the slope will remain the same. Just the crossover point will change.
Asked by: axeccn
The crossover point will actually go up but not quite double due to the fact that this is a second order crossover. The slope and high pass crossover will not change.
Answered by: MattP
Date published: 2013-08-20

Which crossover should I use?

My tweeter is the Eminence Apt 150 and the woofer is the Alpha 15 should I use the PXP2:3K5 crossover board 3,500 Hz or the Eminence PXB:3K5 High Pass crossover board.And Why one over the other?-Jeff
Asked by: Buddyboy
With a 2-way design, the standard approach would be to employ a 2-way crossover, rather than a high pass. The high pass filter will protect your tweeter, but will not have any effect on the woofer.
Answered by: RussR
Date published: 2012-03-19

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