4 ohm vs 8 ohm speaker sound quality
Running at 2 ohms is a different story. Most transistor amplifiers are able to deliver up to twice as much power into a 4-ohm speaker than into an 8-ohm one.
To drive 4 ohm speakers safely (especially if they're low efficiency <90dB) you need a high quality, high current amplifier which can be expensive.
"Let our rigorous testing and reviews be your guidelines to A/V equipment – not marketing slogans", Get our latest product reviews and AV stories emailed to you weekly. Also, 4 ohms does not present much electrical resistance to the amplifier so a low quality amp may put out too much current too quickly and overheat. Come join the discussion about home audio/video, TVs, projectors, screens, receivers, speakers, projects, DIY’s, product reviews, accessories, classifieds, and more! I know that the current from the output stage of an amplifier required for a 4 ohm speaker is greater than that of an 8 ohm speaker.
However, amplifiers can typically play cleaner at larger loads, despite outputting less power. Sing in the shower. There is far more to this then 4 ohm verses 8 ohm and everyone keeps forgetting the affects of phase angle.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. 16 ohm, wow. A forum community dedicated to home theater owners and enthusiasts. Types of Connections: 4 Ohms and 8 Ohms. Chris Heinonen, ISF Level II Certified Calibrator.
However, if your equipment isn't stable down to 4 Ohms, you could burn out the amp or cause undue distortion. 200 watts is 200 watts. That was a really awesome answer--I didn't even think about the weight of the voice coil. A 4 ohm speaker with a low phase angle is by far an easier load to drive than a 8 ohm speaker with a high phase angle. Power is a combination of voltage and current, so to provide more current to the speaker, an amplifier must have a higher power rating.
But in the home audio environment, supply voltages are higher, and you are trying to drive many speakers from the same power supply. But many times good crossovers and drivers (read good speaker) will produce a speaker that is 4 ohms or less. The 4 ohm cab will be louder, but not twice as loud as the 8ohm. Do it as well as you possible can. Hopefully someone on more knowledge of this can chime in. Experiment, build experiences and keep perceptive, and your ear will begin to hear subtle things it missed before. Most amps that I see are only able to push 8 ohms speakers continiously so the reason I ask. In car audio, due to the low supply voltage, 4 ohm speakers make sense. That statement must be taken with a grain of salt though.
I will assume you are talking about loudspeaker sensitivity. Discussion in 'Amps and Cabs [BG]' started by keyboardguy, Feb 22, 2008. I know its out of topic but I just always wonder.
The Mo'Bass is most likely 450 watts a side at 8 ohms, hence the 900 watts bridged at 4. I'm a newbie so hi to everyone, I'm in the process of buying some PA speakers and this point is bothering me. 4 Ohms gives more power without hurting the amp and of course at 2 Ohms you are taking risk even when they claim that the amp can handle it. The down side is that less turns of wire means a weaker magnetic field is formed so the speaker may be less efficient requiring more power for the same amount of sound. You can buy excellent speakers in both 4 and 8 ohm and it's up to the designer what compromises they're willing to make to achieve the performance they're striving for in the budget. woo...i was hoping i wasnt wrong. There is lot of variation in speaker impedance regardless of price. speakers). Our primary goal is insightful discussion of equipment, sources, music, and audio concepts. Considering most car amps are ideal for 4 ohms speaker, these tend to work best. Gold Supporters see zero ads! generally speaking you need a more robust amplifier to handle 4 ohms. @8ohms it might output 100 watts but at 4 ohms it might output 190 watts. Thanks for adding more depth TLS guy. A 96db rated, 8 ohm speaker driven with 1 watt is as loud as a 93db rated 4 ohm driven with 2 watts, or 90db rated 2 ohm speaker driven by 4 watts. Picture it this way: My imperfect analogy. A 4-ohm speaker extracts twice as much power than an 8-ohm speaker from an amplifier. Not really any better just louder. For a better experience, please enable JavaScript in your browser before proceeding. JavaScript is disabled. No. So if your amp works with a 2 ohm load then using 4 ohm speakers would still be louder than an 8 ohm speaker. Tell stories. Not worth it. Thank you for your support! As long as your amp is capable, you can use a 4ohm speaker to get more out of your amp so to speak. However the amp has to provide more current to the four ohm load so the output transistors have to be more robust. Bridging the amp is essentially summing two amps into one.Bridging at 4 ohms is the same as running both channels at 8 ohms. For example a typical car amp could be rated @ 50 x 2 @ 4 ohms, but only 75 x 2 @ 2 ohms. TalkBass utilizes technology from //Commerce that may give us a small affiliate commission on purchases made via links on our site. You will get an enormous reward. 4 ohm speakers have less resistance, so will play louder at the same volume setting as an 8 ohm speaker. As long as your amp is capable, you can use a 4ohm speaker to get more out of your amp so to speak... An amp that is 4 Ohm capable will have no issue driving an 8 Ohm load, so the amp side is not so much a factor unless it is insufficient for the load. However, my Mo' Bass is rated bridged 900W @ 4 ohms and stereo 2*600W @ 2 ohms. Write a poem to a friend, even a lousy poem. For example. is it not the 8 ohm something like a tree branch stoping the "river" of "flow". r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers.
For example a typical car amp could be rated @ 50 x 2 @ 4 ohms, but only 75 x 2 @ 2 ohms. Many receivers probably can't handle having all 4-ohm speakers …
I am thinking of getting NAD's T747 receiver (60 watts). It's one problem for your server to have an issue but totally different for it to, day after day, continue having issues that don't get fixed.
I have found that using the 4-ohm tap will help compensate for impedance dips. For example. The issue is that the amp does not necessarily have to be more powerful to drive the 4 ohm speaker. 8 ohms FTC 20 Hz-20 kHz 0.1% THD: 2600 Watts 8 ohms EIA 1 kHz 0.1% THD: 2800 Watts 4 ohms EIA 1 kHz 1% THD: 4000 Watts Distortion (Typical) 20 Hz-20 kHz: 10 dB below rated power: Less than 0.02% 4 ohm, less than 0.01% 8 ohms 1 kHz and below: full rated power: Less than 0.02% 4 ohm, less than 0.01% 8 ohms Just make sure you match the speakers ohms with the amplifier ohms :).
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