A lot of players on here find them to be the answer to lighter amp. The answer to that question is chosen by the amp designer and is your amp's rated output impedance. But, the amp has the capability of using But that's not relevant to your question. The opposite is generally true for solid state amps. Discussion in 'Amp Central Station' started by Led Hed, Dec 20, 2011. How much do you trade in? – Tim Dec 1 '14 at 13:38. After some research, and forum sleuthing, I came upon this discussion. BTW - exactly what solid-state amp is this? You can operate 4-ohm speakers with an 8-ohm amplifier if you use caution and understand how impedance works. You will not get the specified full output from the amp and it will usually run cooler. . There are lots of interesting interactions between a speaker cabinet and an amplifier, so how the sound will change isn't so easy to predict, but if the speaker impedance is higher, you can safely experiment and found out how it sounds. A quick research suggests that this is different in tube vs. solid state amps. can i play USB on projector without USB port? Take an old Altec A7 "Voice of the Theatre" with 16 ohm drivers and it will play a good +10 dB louder than the typical 8 ohm home theatre speaker. Due to the lighter loading the amplifier will be able to put a slightly higher voltage into the 16 ohm load so the actual loss will be somewhat less than 50%. With 8 ohms output from the amp., simple safe rule is any speaker >8 ohms is fine, any speaker <8 ohms is not. In fact the amp will have much lower impedance, much less than 1 ohm usually. Version Control For Salesforce — Branching Strategy. Or an 8 ohms amp? Thanks! Can gain to the maximum destroy the speaker? I've plugged them in and played some music and movies and they sound great and no distortion of what i can hear at high decibels. The basic rule is, your amp head’s power output, usually indicated by watts, shouldn’t exceed the wattage rating of your speakers. Log in. 1 @Tetsujin: no, any solid-state amp is actually completely fine with headphone impedance. The power attenuation effect of using a 16 ohm speaker on an 8 ohm amp would be minimal anyway, probably less than 3dB, compared to using an 8 ohm speaker. If your power and/or output transformers run hot with a matched output transformer and speaker load then mismatching them is more of a risk. Current creates heat, more current is more heat, and too much heat can melt things. Thanks Roger. Your 16 ohm speakers will have one quite predictable effect - if the amplifier is rated at say 100W into 8 ohms, it will only deliver approximately 50W into 16 ohms. The flyback voltage spikes can cause the power tube to arc between pins or burn through the thin lacquer wire insulation used in the transformer windings. Add another speaker jack wired in parallel so the amp will "see" an 8 ohm load when you hook up you speaker cabinet to it. Sorry to bug you with a no-brainer. Asking for help, clarification, or responding to other answers. For us, it was two 80 watt speakers, 160 watts in total if we decided to run both. Joined: Jun 24, 2006 Location: Maryland. It only takes a minute to sign up. With 16 ohms your amplifier will run cooler and if anything, have a greater life expectancy than if it were powering 8 ohm speakers. It will draw less current and run cooler, but of course you won't get the rated output. Why isn't bootstrapping done in the following manner? You can connect 16 Ohms speakers to an amp that it's specified for 8 Ohms. Sounded louder, far better matched. So, are there inexpensive ways to match the impedance between the amp and the speaker, or other suggestions? TDPRI, short for Telecaster Discussion Page Reissue, is the leading online community and marketplace for Telecaster guitars. Thanks Dave. So you have to hold your amp back from running crazy with current. How about if I always keep master volume down to say 50% or less? If so, is there any way i can wire them to 8 ohms each? Case 1: running a 16 ohm speaker with an 8 ohm amp output. Are there any precedents to this? I've got a Luxman Digital Synthesized AM/FM stereo receiver R-115 and I'm wondering how it would work (sound) with my B&W DM 310 2-way speakers. Yes you can damage them, wire them in parrallel that should do the trick. I have yet to experience an ohm mismatch that favors the sound. Besides if they sound great, that's a good sign that there is no problem. I'll give it a try! This decrease in plate current will decrease demands on the power transformer and it will run cooler. Amps output a voltage, up to a fixed max, independent on the speaker impedance. I was hoping that maybe there's an 8 ohm, 25 or 50 watt resistor I could put in series with the single speaker, but they appear to be available only for non-inductive loads. Decreased hum can help prevent ghost notes. The same 2.83 volts across 16 ohms produces 1/2 watt. With the same voltage but 16 Ohms speaker, Power would be 64^2/16=4096/16=256 watts. You'll just be working the amp harder and getting nothing for it. (avoiding overloading either). Example: Max Amp Voltage=64 volts; Power=Voltage^2/Ohms; so for 8 Ohms speaker, Power would be 64^2/8=4096/8=512 watts. Matching my 8 ohm amp to 16 ohm speakers. Obviously, 8 ohm speakers should be used with 8 ohm amps, but I'm wondering about my potential hook-up. That way all the current coming out of the amp won't melt the speaker. Does Windows know physical size of external monitor? 'speaker impedance is typically twice the rated value at the natural resonance frequency. For example, 2.83 volts across 8 ohms produces 1 watt. At the price I got the speakers, I thought that I could just wire them in parallel to cut the impedence down to the 8 ohms that I need and live with a mono speaker cabinet. Assuming the an 8 ohm speaker and a 16 ohm speaker have the same sensitivity rating the 16 ohm speaker will play - 3 dB softer than the 8 ohm. And how should be FL200 transmitted? Blue-ray. However, if your amp is allowed to put out more current than it is supposed to, then bad things can happen. The reason 16 is 'safe' is that amps have a tolerance; 8 - 16 is pretty standard. So in a pinch, a "safe mismatch" is safe, but you're better off sticking to an even match if you can. But my question is, can i damage my amp with the speakers or is it nothing to worry about? How would blasting a barrage of arrows with heat affect the metal arrowheads? These can cause flash-over in the output tubes and/or breakdown of the output transformer insulation. Thanks. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. using flags as destination atribute for cp and mv. But through experience I know that running a 16ohm speaker with a Tube Amp rated at 8ohm will not blow up your amp, only thing I have noticed is volume difference, earlier breakup of the tubes, and some noise! Using 16 ohm speakers on an amp rated for 8 ohms halves the rated wattage. I've plugged them in and played some music and movies and they sound great and no distortion of what i can hear at high decibels. I think that's technically feasible (probably won't burn up the amp, correct? This is normally not a concern when going "one step" away from a match such as running a 4 ohm output transformer with an 8 ohm speaker unless the output transformer is cheaply made or really old. There's no problem running the typical 8-Ohm solid-state amp with a 16-Ohm speaker. If the ohms were LOWER than 8 you could damage the amp - if the ohms are HIGHER you are fine. If the speaker's impedance is higher, as stated before you won't get the rated output power and there may be some tonal changes. The opposite, using 4 Ohms speakers, may be less desirable, because although you'll get higher power the amp will have to be capable of higher current, and some of them are not. 2 16ohm speakers in parrallel = 8ohm load. Why does regularization wreck orthogonality of predictions and residuals in linear regression. Can you play them on regular dvd player.? Can I close my money in HSA and transfer it to another bank account and use it for non-medical purpose? How to connect a 16 ohm and an 8 ohm cabinet to the same amp head, Using a microphone through a guitar amplifier. The ratio of voltage to current coming out of power tubes is relatively high. What do you think of the answers? The power tubes are stressed by this increased plate current so the power tube lifespan can be shortened. What do you call those people that often get confused and don't understand simple things and concepts? I wouldn't push that rule too far, your 250Ω headphones are not going to do it much good at all ;). The power will drop, although you probably won’t notice it too much, as this combination will likely increase the mids in your tone. Amps output a voltage, up to a fixed max, independent on the speaker impedance. Too high a load impedance is safe. The difference is that you can get as much as a 50% power reduction. But running the 4 ohm transformer with a 16 ohm speaker can generate very high flyback voltages when running the amp hard near max volume. 3 ways to find out, check the maker's plate on the back, get a multimeter & test it, or take the back off & look. Although you are right, and most common problems are in the transformers, I don't think it's too good for the valves either... My experience: A lead from amp to speaker shorted out while setting up at a gig recently.
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