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What is the wattage capacity of Sound Tech CX4C PA Speaker? yeah! brand: Sound Tech/ model CX4C. thanks..

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SOUNDTECH CX4C 2-way monitor wedges (2).
380 Watts Power / 190 Watts RMS, Full Range 2-way, 12" speaker, 1" Compression Driver(horn). Carpet Covered, Pole Mount capable, 8 ohm.
Impedance - 8 ohm
Woofer Size - 12"
Magnet Weight - .
Voice Coil Dia. -
H.F. Driver/Exit - 1"/Compression
RMS Power Rating - 190W RMS(8 Ohms)
Dimensions - 18.5"w x 16"d x 27"h
Weight - 52(lbs.)

Posted on Jan 09, 2011

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Posted on Jan 02, 2017

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Having trouble under standing rms with speakers. Some speakers rms is per speaker and other are for both speakers.I am looking for soundstream speakers that would be 150 rms per speaker. Thanks


rms is a method of measuring power (wattage) delivered from an amp to a speaker. In almost every case, wattage capacity of speakers is quoted PER SPEAKER. Likewise wattage output is quoted per amp output channel. Assuming a you plan on a single speaker on each output channel of your amp, you should be in good shape if your speaker wattage capacity equals or exceeds your amp's output rating. I've never seen speakers rated as wattage per pair.

(rms is the dominant way of measuring average watts of an ac sine wave signal)

Apr 23, 2017 | Car Audio & Video

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I have Speaker system aiwa SX-WNT9 Speakers 2 nos.Impedance 6 ohms/6 ohms.kindly tell me how me how much watt capacity amplifier is required for good sound.


Wattage is not the total solution to the problem. The amount of wattage an amp supplies is related to how loud you listen to the music AND how much power is left over so the amp can deliver when needed and not clip the available output signal and cause distortion.

Apr 07, 2017 | Audio Players & Recorders

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Accidentally plugged my b212d in wrong voltage,now when put it on its makes a tiny cleeking sound and the power light dosnt come on.what should i do


Unplug the unit and replace the fuse. Same wattage and type as the one you remove.
If you've already done this, then you've destroyed other components inside.

Aug 04, 2016 | Behringer EUROLIVE B212D Active 550-Watt...

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Whats is the recomended speaker for crown x2000 amp


Any standard speaker will "work". What you get depends on what you intend to use it for. PA? get PA speakers. Home audio? Listen to some in your price range, and choose what has the sound you like.

Sep 11, 2014 | Crown Xls 2000 Power Amplifier, 2 Channel,...

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Need Schematics for Mackie C300 Speaker


Do you have the existing resistor, Larry? Is it crisped up, or can you still read the colored bands? Those colored bands are a color code indicating its resistance - if you can read them off here, we can tell you what its resistance is.

As to wattage... that's something we could at least estimate from size & shape, weighted a little by speaker wattage rating (that resistor should never see as much wattage as the rating).

Last... if we knew for sure what every other component is (from its printed labeling), we could reconstruct the schematic and calculate that resistor's value. Reverse-engineering a crossover designs is far from being rocket surgery. 8)

I offer these as alternative approaches; it may be near-impossible or impossible to get that schematic.

Aug 04, 2014 | Mackie C300Z passive PA speaker (with )

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CB Plays out PA Speaker


it is possible that the PA speaker output is intended for a normal (unpowered, unamplified) speaker. Perhaps in your case the audio you hear from the PA speaker is only signal leakage from the PA Speaker connection.
To know.. connect a regular speaker to the PA speaker connector (any speaker, home audio, old car 6x9....). If the PA works and drives the temporary speaker OK, and you hear no CB receive, then the PA output is for a normal speaker, with leakage of CB audio.
It is just a guess, but easy to try.

May 04, 2014 | Radio Communications

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CB in Receive Mode Plays Out the PA Speaker


no,its supposed to work that way so you can monitor it while you are outside your vehicle.

May 04, 2014 | Radio Communications

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I only use the pa function.it doesn't always work.mic prob?when i switch to cb-no prob.


What type of PA speaker are you using? what OHM? and wattage.. A cb pa can only supply MAX 5watts into a pa speaker. It may be too big of speaker or bad speaker? if it works on cb.. wrong OHMS can make problems too..

Nov 15, 2011 | Radio Shack TRC-447 CB Radio

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Good day..The common problem in a closed pa system setup is feedback.It limits the capacity of unit to give a higher intensity of volume..With this I just want to ask if DBX Driverack pa+ will work well...


The DBX driveracks work well with about any PA. The only PAs you might encounter a problem with would be one of the newer line array and digital processing PAs. Let your audio person get creative, the presets for multiple PAs are just a guide. If your sound person is confident and is qualified, let him/her experiment and/or rehearse - you'll be amazed at what that system is capable of.

Mar 10, 2011 | DBX Driverack-Pa Eq/Speaker Control System...

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How can i get more power through 8 ohm speakers?


In addition to the impedance rating of a speaker, there is also a wattage rating. Ideally, power output of the amplifier should not exceed the power handling rating of the speakers. The input impedance of the speakers should match the amplifier output impedance for maximum power transfer (Rin = Rout where R is resistance in Ohms). Supplying more power or wattage to the speaker than it can handle will result in distortion, and if the output of the amp is high enough and present long enough, it will damage the voice coil of the speaker. Make sure that when comparing wattage ratings, you are comparing the same rating between amps & speakers. Watts can be expressed three different ways: "Peak", "Peak to Peak" and the industry standard "RMS". The relationship is such: an industry standard value of "70 Watts RMS" (70W RMS) equals "100 Watts Peak" (100W P) *and* also is the same as "200 Watts Peak to Peak" (200W P-P). Furthermore, there is no such thing as 200W "Music Power" (but is often expressed this way to inflate the RMS wattage rating (and usually is close to the P-P rating). A speaker is an electrical device, so most the things that happen to electrical devices when over powered can happen to speakers and amplifiers, too.

Increasing the signal source level (input signal to the amp via volume control) in an attempt to get more audio power to the speaker can overdrive the amplifier - resulting in "clipping". This is plainly heard as "muddied" sound. The otherwise loud, crisp, clean passages in music end up sounding garbled and unpleasant when an amplifier is over driven in this way. This can damage both the amp and the speaker.

Cheap amps with higher THD (total harmonic distortion) ratings sound worse than their counterparts with a lower THD rating - when all other variables are the same. You'll pay extra for lower THD values.

You might be able to make a speaker seem louder by positioning the speakers against a wall, on the floor, etc. Experiment; as it can make a significant difference in sound levels and low frequency bass sounds.

I hope this was helpful!

Jun 11, 2010 | Yamaha Emx62m Powered PA Mixer System

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