Frequency Dividing Crossover
December 20th, 2009
Frequency Dividing Crossover
Do I NEED a crossover to use a subwoofer?
I'm saving up money to put together a small recording space in my apartment. I know I need to get some nearfield monitors and I also want to get a sub. I don't know if I need a crossover. Is a crossover used mostly to divide frequencies between speakers or is it needed for a sub? Do some subs need a crossover and others don't?
Most subs for your application will have a built-in crossover. The bigger concern is using a sub in a recording studio. If you don't have it perfectly balanced and well placed in the room, your mixes will suffer. I would suggest putting the sub on a switch and only switching it in when you're checking the quality of your low frequency content.
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Nady CX-22SW 2-Way Stereo Crossover $79.99 Crossovers provide precise frequency dividing for multi-amplified speaker applications. The Nady CX-22SW Crossover will give superior performance with transparent audio. Features include a shielded internal power supply with AC voltage select switch (115V/60Hz or 230V/50Hz), phase inversion switches, low-cut subsonic filters for low-frequency driver protection, and servo-balanced XLR inputs.Precise frequency dividing for multi-amplified speaker applicationsShielded internal power supply with AC voltage select switch (115V/60Hz or 230V/50Hz)Phase inversion switchesLow-cut subsonic filtersServo-balanced XLR inputs. |
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Nady Cx-22Sw 2-Way Stereo Crossover $79.99 Crossovers provide precise frequency dividing for multi-amplified speaker applications. The Nady CX-22SW Crossover will give superior performance with transparent audio. Features include a shielded internal power supply with AC voltage select switch (115V/60Hz or 230V/50Hz), phase inversion switches, low-cut subsonic filters for low-frequency driver protection, and servo-balanced XLR inputs.Precise frequency dividing for multi-amplified speaker applicationsShielded internal power supply with AC voltage select switch (115V/60Hz or 230V/50Hz)Phase inversion switchesLow-cut subsonic filtersServo-balanced XLR inputs. |
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Dividing Line $14.99 It's no exaggeration to say that Liverpool's SSS (which stands for "Short Sharp Shock") effectively put the beat-down into Merseybeat with their eponymous 2007 debut album and its furious revival of '80s-style crossover hardcore/thrash. Here were four Limeys, comfortably picking up the torch first lit by their transatlantic heroes -- Agnostic Front, Cro-Mags, etc. -- some 20 years earlier, and dousing them in gallons of lighter fluid embodied by their new millennium-level controlled speed and technical precision -- now that's a fire! So for their all-important follow-up, 2008's The Dividing Line, SSS made sure to go one better, by sticking with their no-holds-barred philosophy, even as they somehow jammed no less than 20 surprisingly distinctive "Short Sharp Shocks" (most averaging 90 seconds in length) into 32 minutes of organized mayhem. And it works, since for all of their frequent and aesthetically defining bursts of aggression, hyper-thrash nuggets like "Toxic Bee," "Purple Reign," and even the 43-second burp "Oil and Water" (which is very AF) still boast innumerable unexpected time changes, fluid bass runs, and metallic guitar riffs and harmonies, among other ingredients. By the time SSS "indulge" themselves with a four-minute "epic," "Unrest in the Northwest," which closes the album, it's abundantly clear that they can play pretty much anything, and this makes their devotion to inflicting concentrated jabs of adrenaline all the more powerful. ~ Eduardo Rivadavia |
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Crossover $17.99 Crossover |
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The Dividing Line $9.49 The Dividing Line |
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Frequency $12.49 Frequency |
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The Dividing $14.99 Track Listing: 1. Division, 2. Kingdom of One, 3. Panic Wrought, 4. Follow, 5. Want, The, 6. Stained, 7. Unbeliever, 8. Another Void, 9. Fall to Fragments, 10. Sex and Mutilation, 11. Burn |
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Audio Crossover $79.66 High Quality Content by WIKIPEDIA articles Audio crossovers are a class of electronic filters designed specifically for use in audio applications, especially hi fi. Commonly used loudspeaker drivers are incapable of covering the entire audio spectrum with acceptable volume and lack of distortion by themselves. Thus, crossovers serve the purpose of splitting the audio signal into separate frequency bands which can be handled by individual loudspeaker drivers optimized for those bands. A combination of multiple drivers each catering to a different frequency band is the design pattern for most hifi speaker systems. An audio crossover may also be constructed mechanically and is commonly found in fullrange speakers, portions of whose cones/dust caps/whizzer cones are decoupled at progressively higher frequencies.Another use of crossovers is multiband processing, in which the audio signal is split into bands, which are adjusted (equalized, compressed, echoed, etc) separately. Author: Miller, Frederic P./ Vandome, Agnes F./ McBrewster, John Binding Type: Paperback Number of Pages: 92 Publication Date: 2009/12/08 Language: English Dimensions: 5.98 x 9.01 x 0.22 inches |
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Peavey ECS-150X Crossover $113.99 Peavey ECS-150X Crossover Electro-Acoustic crossover frequency 150 Hz; 1/4" phone jack for full-range input; One Neutrik® NL4S switching Speakon® for direct connection to the speakers in the subwoofer system; High pass out for 4 & 8 ohms; Power handling: 1000 watts program material. Features: Electro-Acoustic crossover frequency 150 Hz 1/4 inch phone jack for full-range input One Neutrik® NL4S switching Speakon® for direct connection to the speakers in the subwoofer system High pass out for 4 and 8 Ohms Power handling: 1000 Watts program material XXX Weight Unpacked: 4.3 Width Unpacked: 7.875 Depth Unpacked: 8.5 Height Unpacked: 4 Weight Packed: 4 Specifications: Dimensions 7.875" W x 4" H x 8.5" D (Unpacked) Weight 4 lbs. (Packed) 4.3 lbs. (Unpacked) Get Your Peavey ECS-150X Crossover Today! |
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VIBEX6 3-Way Electronic Crossover Network w/Remote Subwoofer Level Control $44.5 3-Way Electronic Crossover, Hi-Pass Crossover: 32Hz-800Hz For Front and Rear Channel, X10 Frequency Multiplier For Front Channel, Low-Pass Crossover: 50Hz-160Hz For Subwoofer Channel, 18dB Per Octave Crossover Slope |
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Peavey ECS-3X Crossover $139.99 Peavey ECS-3X Crossover Electro-Acoustic crossover frequency 500 Hz & 2500 Hz; 1/4" phone jack paralleled w/ one Neutrik® NL4 Speakon® 4-pin connector for full-range inputs; One Neutrik® NL4S Switching Speakon for bi-amp inputs allows direct connection to the speakers in the system; Sound Guard™ tweeter protection; Crossover EQ & band-pass level is configurable; Power handling: 1000 watts program material. Features: Electro-Acoustic crossover frequency 500 Hz and 2500 Hz 1/4 inch phone jack paralleled with one Neutrik(R) NL4 Speakon(R) 4-pin connector for full-range inputs One Neutrik(R) NL4S Switching Speakon(R) for bi-amp inputs allows direct connection to the speakers in the system Sound Guard(TM) tweeter protection Crossover EQ and band-pass level is configurable Power handling: 1000 Watts program material Weight Unpacked: 4 Width Unpacked: 10 Depth Unpacked: 4 Height Unpacked: 10.25 Weight Packed: 4 Specifications: Dimensions 10" W x 10.25" H x 4" D (Unpacked) Weight 4 lbs. (Packed) 4 lbs. (Unpacked) Get Your Peavey ECS-3X Crossover Today! |
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Dividing the Spoils $34.99 Paul Seignac Dividing the Spoils - Giclee Print |
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Lec 23 | MIT 7.014 Introductory Biology, Spring 2005
What is a Multiband Compressor?
Also known as MB or MBC.
These divide the incoming audio signal into multiple bands, with each band being compressed independently from the other.
The beauty of this is that with full band compressors, that we have been discussing till now, the whole signal is treated, so when a peak is detected, the whole signal is compressed and so other frequencies are also subject to compression.
Multiband compression only compresses the frequency bands chosen, so a more fluid and less abrupt result is gained. Instead of having one peak trigger the compressor into compressing the entire signal, the multiband allows for individual bands to be compressed.
On some compressors, you even have the option of selecting bands that will not undergo any treatment.
In essence, a multi-band compressor comprises a set of filters that splits the audio signal into two or more frequency bands.
After passing through the filters, each frequency band is fed into its own compressor, after which the signals are recombined at the output.
The main advantage of multi-band compression is that a loud event in one frequency band won't trigger gain reduction in the other bands.
Another feature of the multiband compressor is that you are offered crossover points. This is crucial, as you are given control over where to place the frequency band. Setting these crossover points is the heart of the compressor and crucial in processing the right frequency spectrum with the right settings.
For example: if you are treating the vocals in the mid range but put your low end crossover too far into the middle range, then the low end compression settings will also affect the mid range vocals.
Multiband compression can either be a friend or enemy. It all comes down to how you use it and when. It can be a great compressor for controlling problematic frequencies, or for boosting certain ranges in isolation to others.
Use with care!
Excerpt taken from Mixing Simplified.
Eddie Bazil (Zukan)
www.samplecraze.com
About the Author
Eddie Bazil is very well known in the music industry and has been associated with bands, labels, studios, and teaching institutions.
As a member of MCPS, and having material released through a number of other publishing houses, Eddie's works have extended to the global markets.
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