8 ohm vs 16 ohm compression driver

Moving from a 16 ohm driver to an 8 ohm driver will likely bring forth a little more high frequency due to the inductance le. Some drivers sound ok with less damping but generally not. Despite its minute size, the 1 exit n151m8 ring radiator compression driver delivers monumental performance. I have a matchless lightning clone with 4816 output taps, and a 2x12 cabinet. It may not be clear, but if the amplifier or receiver manufacturer publishes power ratings in both 8 and 4 ohms, youre safe. Radian 651pb high frequency compression drivers radian. But you have to watch the power rating to make sure the speakers can handle the amount of power than the home theater system can deliver. As a point of intrest, in the heritage line of crossover network, we start out with a 16 ohm mid driver which actually measures 1114 ohms and change the taps on the crossovers autoformer to reduce the drivers level by increasing the apparent impedance. At the same input voltage a 4ohm driver will draw 3db more power than an 8ohm driver. The only thing that matters is that you match the impedances. So, i broke the original set of earphones that came with it. If you want to use a 212 cab, where each speaker is 8 ohms, you need to use two speaker cords, one from each speaker into the two jacks on the amp,4 ohm total load, this precludes using the internal speaker, or use the 8 ohm internal speaker, and only one of the 8 ohm speakers in the extension cab.

Now usually and in most cases, a given amp can have its output power doubled when driving a 4ohm loud vs. The amplifier didnt have enough voltage to drive them loud enough even at maximum volume to overcome gym noise. I understand your solution will work, but is this really the best solution. On a single driver loaded amp, the amps dampening factor is different at 8 ohms than at 16 ohms. Altec lansing 16 ohm 802d vintage compression driver for. Despite its minute size, the eminence n151m8 ring radiator compression driver delivers monumental performance. Timpano tptdh2000 2 compression horn driver 8 ohm slim aluminum 400 watts. Great deals on pro audio speaker horncompression drivers. Miyako 60 watt 16 ohms speaker compression driver mid range unit with aluminum body and neodymium diaphragm screw on type du60 add to cart. Today i opened up a pair of yamaha sm12ivs that i bought used a while ago, and one of them has a selenium d205ti horn driver, which is rated at 8 ohms, vs. Basic theory indicates that you will need to attenuate your hf amplifier section input by 3db when using an 8 ohm nominal impedance driver, assuming that other parameters of the hf. In theory, an 8 ohm version of a given driver will draw twice a much current, and thus twice as much power from a given amp for a given input setting than the 16 ohm version, so you may need to turn down the hf output of your dr260 by approximately that amount.

I have never seen an amplifier with two seperate sets of outputs one for 8 ohm and another for 4 ohm, that doesnt mean it doesnt exist though, and if it does please let me know the make and model. In the end, the actual resistive component of the 8 ohm and 4 ohm speaker probably wouldnt be terribly far off from each other in most drivers, assuming substantial power levels a safe assumption, because if were talking about low volume levels, the point is moot anyway. I would not run the horn without a xover, the purpose of the xover is to limit the frequency range and power the horn gets. This isnt always the case since there are 16 ohm drivers designed to avoid this. However youve altered the inductance of the coil which in turn affects impedance. Jul, 2005 i too have used the 4 ohm setting for about 3 months now since picking up on andys comments. If you want better quality speakers and theyre only available in 8ohm, add a 5watt 8ohm resistor in series to have the proper impedance or better still, if you have the room, put another 8ohm speaker in series a good trick for a powereddummy pair to have sound coming from both locomotives. By having lots of different impedance speakers to work with, a designer has much more flexibility. Assuming the amplifier in question has a solidstate transistor output, the answers from loring.

I too have used the 4 ohm setting for about 3 months now since picking up on andys comments. Converting a 16ohm speaker to an 8ohm speaker discussion in amps and cabs bg started by patrickj, feb 28, 2003. As for why there are speakers that are 4 ohms, it may have to do with the. I have an 8 ohm 416 woofer, an 8 ohm crossover, and a 16 ohm 399 compression driver. That is common with the majority of jbl components. K 8 is a 2 diameter exit ceramic magnet high frequency compression driver with 100 mm 4 diameter voice coil. If both drivers have the same spl at a given watt then, yes, the 4ohm is louder. Pro audio speaker horncompression drivers for sale ebay. So an 8 ohm load on the 8 ohm tap of the ot should put exactly the same load on the tubes as a 16 ohm load on the 16 ohm tap of the ot. So, youd be wise to either recone the 16 ohm speaker with an 8 ohm kit, or sell the speaker and buy an 8 ohm unit. High frequency compression 1 and 2 drivers by eminence, jbl. Nice article, but one very important thing i didnt see mentioned was power compression.

Bms 4550 is a powerful 1 professional compression driver that delivers outstanding sonic quality in a small package. Can you use 4 ohm speakers on a 8 ohm stereo system. May 18, 2010 home does speaker impedance affect tone. I was trying to decide on a mesaboogie 2x12 8 ohm or an orange 2x12 16 ohm when i came up with a question. The 16 ohm driver and resistor is actually flatter in its impedance curve than an 8 ohm driver. I hadnt noticed anything wrong with either of them, although i. Jan 11, 2015 this video is about converting 4 8 ohm speakers into 16 ohms. If you want better quality speakers and theyre only available in 8 ohm, add a 5watt 8 ohm resistor in series to have the proper impedance or better still, if you have the room, put another 8 ohm speaker in series a good trick for a powereddummy pair to have sound coming from both locomotives. Its a great time to upgrade your home music studio gear with the largest selection at. Feb 12, 2016 speaker in 8 or 16 ohms wont give you the same sound.

The 8 ohm tap will output 2x the voltage but 12 the current as the 4 ohm tap. Its low mass polyimide diaphragm and optimized ceramic magnet assembly allow high sensitivity and low distortion up to 18 khz. If you remove half of the turns from the voice coil, you might repeat might end up with an 8 ohm speaker. Lack of voltage means reduced dynamic headroom with more potential for compression or clipping. Jul 15, 2007 4 ohm speakers will draw more current from an amplifier than will an 8 ohm speaker.

If you increase the speaker load, the dampening factor increases. Its more sensible in crunch mode where the sound is not too much compressed. For instance would a 15watt amp going into a 8ohm cabinet be louder than the same amp going into a 16ohm ca. Speakers comparison, 8 ohm vs 16 ohm crunch youtube. Just match up the impedances to keep your ot from melting down. Whats the difference between a 8 ohm and 16 ohm speaker. Is there any difference between 6ohm amps and speakers vs 8 ohm ones. Higherthanrated speaker impedances are ok for transistor amplifiers. The power tubes only ever see the primary winding on the output transformer, so that doesnt change, provided the connected load is properly matched to the secondary winding it is connected to. Ok, from your latest bit of information regarding this being an active system, so long as you can adjust the input to your hf amplifier then it should be possible to use an 8 ohm hf compression driver. Nov 16, 2008 today i opened up a pair of yamaha sm12ivs that i bought used a while ago, and one of them has a selenium d205ti horn driver, which is rated at 8 ohms, vs. It has an exceptional dynamic range and produces even the most complex music signals with depth and definition. When used in conjunction to the amp, the ohms refers to the level of impedance imposed upon that amp that will result in the wattageoutput level used by the the manufacturer when they tested their amp to get the figures. Selenium d220ti 8ohm compression driver eminence px2.

Before you buy a 4ohm speaker, make sure the amplifier or receiver can handle it. Mar 10, 2009 is there any difference between 6ohm amps and speakers vs 8 ohm ones. As far as complete speakers systems, i cant remember too many that were 16 ohms. You will find the woofer may be rated at 150 watts. If you drive a set of 4 ohm speakers with an amplifier rated for 8 ohm speakers, you are requiring the amplifier to double the power output in order to drive the speakers. Speaker in 8 or 16 ohms wont give you the same sound. This video is about converting 4 8ohm speakers into 16ohms. Prv audio d290pyb 1 polyimide horn compression driver 8 ohm 23bolt, black. Assuming that two speakers both have the same sensitivity rating, but one having 4ohm and the other having 8ohm. The copperclad aluminium voice coil is edgewound and thermal bonded to a kapton former, which ensures resistance to high temperatures.

I believe i can swap the 16 ohm compression drivers for 8 ohm. Why would a designer choose 4 over 8, or vice versa. Almost certainly yes, unless the 4 ohm rating indicates a very low impedance 8ohm speakers and output power. Jul, 2019 that is common with the majority of jbl components. A pure titanium diaphragm is utilized, avoiding dome fracture due to mechanical fatigue, common in other diaphragm materials. Basic theory indicates that you will need to attenuate your hf amplifier section input by 3db when using an 8 ohm nominal impedance driver, assuming that other parameters of the hf driver are very close other than its nominal impedance. The radian 651pb is for speaker replacement or upgrade. Additionally, the 16ohm diaphragm of the d3240ti16 is interchangeable with the 2 exit d3240ti8 compression driver, while the impedance of the d3240ti16 can be changed to 8 ohms using the d3240ti8 diaphragm.

Apr 28, 20 i understand that you can get more power out of your amp with a 4 ohm vs. Compression driver bms 4550, 8 ohm, 1 inch throat diameter. I read your stuff with premier guitar and decided to write with a question about ohms. Will this cut the hiss from noise in half along with the voltage sensitivity for a better match to hifi woofers so less padding will be required. Putting it on 4 ohm is actually a current limiter, so the actual power output is never used. How to use 16 ohm speakers with an 8 ohm amplifier quora. The original set was 4 or 8 ohms, really low for earphones. The amps dampening factor is calculated by deviding the speaker load by the amps output impedance. Oct 10, 2006 im in the process of building a pair of speaker cabinets. When you put them in parrallel it cuts the impedance in half. The problem was resolved by replacing them with a set of 16 ohm. Utilizing a phase plug design that improves the distribution of forces over the diaphragm surface results in a driver with lower distortion, smoother frequency response, and increased sensitivity as compared to conventional ring radiator designs. Repair your old speaker systems with radian speaker parts.

There is no difference, given the exact same speaker, between a 16 ohm version and an 8 ohm version. Jbl 2441 compression driver 2channel home audio the. Sep 19, 2018 if you look at the equipment manual, the output of the stereo or amplifier is rated at x amount of watts into speakers having a specific impedance 2, 4 or 8 ohms. The dc resistance is usually close to half of the nominal load. The real deal with 8 ohm drivers page 2 diymobileaudio. About as far south in alabama as you can go withou the only thing that matters is that you match the impedances. K8 is a 2 diameter exit ceramic magnet high frequency compression driver with 100 mm 4 diameter voice coil. If you want to use a 212 cab, where each speaker is 8 ohms, you need to use two speaker cords, one from each speaker into the two jacks on the amp,4 ohm total load, this precludes using the internal speaker, or use the 8 ohm internal speaker, and only one. I have a matchless lightning clone with 4 8 16 output taps, and a 2x12 cabinet.

Jan 06, 2017 from the respective spec sheets excerpted below, the jbl 2441 16 ohm driver handles 70 watts continuous program at 500 hz also note that 500 hz is the recommended lowend crossover point for a pro application, 12 dboctave slope with no problem at all. Before you buy a 4 ohm speaker, make sure the amplifier or receiver can handle it. Will a 16 ohm compression driver be better for home audio than the same driver with an 8 ohm diaphragm. Most compression drivers loaded with real horns have decreasing hf response, so some hf lift can be added by several means if a pad is used.

Hi, i am interested in a zbest cab for my maz 38 senior combo. Most separate amplifiers without a builtin preamp or tuner can handle 4 ohm speakers, as can most highend av receivers. However speakers impedence is not purely resistive and depending on the impedence vs freq. I apologize if im asking a stupid question, but i really appreciate the information since this is what i am confronted with. Those who build loudspeakers would know this however, the end user will not. Even though they are nominally 8 ohm, i know my speakers sit closer to 6 ohm overall as i have had them extensively modified and measured by a professional speaker builder. If your system is designed for four ohm speakers then those work best. Using a series resistor to raise a 8 ohm up to 16 comes with increasing need for zobels to tame resonance, also a decrease in damping. May 15, 2008 so, i broke the original set of earphones that came with it. You will find the woofer may be rated at 150 watts, and the horntweeter may be rated at around 50 watts. Radian 651pb is a 2 inch high frequency compression driver. I hadnt noticed anything wrong with either of them, although i havent. Mar 11, 2003 some receivers have a switch that says 4 ohm 8 ohm. Most separate amplifiers without a builtin preamp or tuner can handle 4.