8 ohm speaker with 6 ohm amp
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Content:
- How to stop worrying about speaker impedance
- Loudspeakers at 4 Ohms vs. 8 Ohms - What’s the Difference and Why It Matters
- Can a 8 ohm speaker damage 6 ohm amp?
- Can I use an 8 ohm amp with 6 ohm speakers?
- 6 ohm receiver -- 8 ohm speakers
- Best amplifier for 6-ohm speakers
- Using 8 ohm Speakers on 6 ohm Stereo
- Features and General Questions for Electrostatic Speakers
How to stop worrying about speaker impedance
Speaker impedance changes amplifier power output. In fact, your amplifier power could be nearly half or double its capacity — depending on the impedance of your speakers. But how much should this concern you? Impedance is measured in ohms. The specifications might say the output power is watts RMS at 8 ohms. Notice the power output watts is at a specified load 8 ohms. This is telling us that with an 8 ohm speaker, the maximum output power will be watts. The above shows that for an ideal amp, halving the impedance doubles the power output.
Doubling the impedance halves the power output. An ideal amplifier is an amplifier which is theoretically perfect. Of course, such an amplifier does not exist, but they are useful when explaining how speaker impedance changes amplifier power. You can use the following calculator to determine the possible power output with different impedance speakers.
In summary, in an ideal amplifier, the current from the amplifier will depend on the speaker impedance ohms. The lower the speaker impedance in ohms the greater the current that can be drawn from the amp, which means the greater the power. The above calculations work well for an ideal amplifier, and help show how speaker impedance changes amplifier power output.
In reality, amplifiers cannot maintain the theoretical output levels as calculated above. This is because the power supply on most amplifiers cannot maintain the maximum power when driving the lower impedance speakers.
In a real amplifier, the above principles still hold but the theoretical values will not be achieved. The power output will be increased with lower impedance speakers, but the maximum power output will not be doubled when the impedance is halved. This shows that for this amplifier, with both dual channels used at the same time, the maximum power output of the amplifier changes as the speaker impedance changes:. Please note: this amplifier is designed to work with a speaker impedance as low as 2 ohms.
Most HiFi amps are only designed to work with a speaker impedance of or above 4 ohms. So what should you do with this marvelous knowledge?
If 4 ohm speakers gives you nearly double the power of 8 ohm speakers, should you only use 4 ohm speakers? They also mostly design and build their amplifiers to cope with 4 ohms and often 2 ohm loads. However, it may not be wise to run your Hifi amp flat out at 4 ohms. The reason being, it may mean you are running your amp at or beyond its design limits. The cheaper the amp, the closer you are likely to be at the limits of the power the power supply can cope with.
Better to use 6 ohm or 8 ohm speakers, and let your amp comfortably drive them without reaching full capacity. This is similar to a car: better not to constantly drive with the motor at full revs. A common method of changing speaker impedance is by adding another speaker, either in series or in parallel with the existing speaker. While this will change the output power of the amp, the speakers will share that power. Most modern amplifiers will, if they are overloaded, either turn themselves off or reduce the output to protect themselves.
However, it is wise not to rely on this self-preservation circuitry, best to design your system conservatively. Keep in mind that all this is describing the maximum power output of an amplifier.
To double the volume you need around ten times the power. If you need maximum level from your speakers, pay attention to the sensitivity in the specifications. For more details on this see the article Understanding Speaker Sensitivity. While speaker impedance changes amplifier power output, it is not a major consideration for most users. It only becomes relevant when running your amplifier at full power, and then it is best not to run it too close to its design limits.
Never use a speaker or speakers below the minimum impedance the amplifier is designed for. If you hear any distortion, it is an indication that major trouble is just around the corner — turn the volume down, eliminate the distortion and consider a redesign of the system. If you have a question, please read the FAQs before submitting your question. Contact Geoff: geoffs geoffthegreygeek.
Sign in. Log into your account. Forgot your password? Privacy Policy. Password recovery. Recover your password. Understanding Audio Understanding Amplifier Power. Amplifier power is probably the most misunderstood and abused parameter of amplifiers and speakers.
Yet, it is often the first and possibly only parameter Understanding Audio Understanding Speaker Sensitivity.
Speaker sensitivity is a measurement of how well a speaker converts the amplifier power to to acoustic energy. In others words, how loud the Often people are wanting to add speakers to their amplifier to increase power. However, in most cases, adding speakers will reduce the power in In fact, your amplifier power could be nearly half or double its capacity - depending on the impedance Home Speakers Understanding Speaker Impedance.
Speaker impedance is often presented as a complex subject and therefore is either ignored or misunderstood. A basic understanding of speaker impedance is not Distributed speaker systems are also known as " volt line" or "70 volt line" speaker systems. They are used extensively where multiple speakers are Understanding Audio Double amplifier power does not double the volume. This article logically shows the relationship between amplifier power, SPL and loudness.
It includes a level difference exercise and a gain calculator. Understanding Audio Understanding Acoustic Feedback.
Acoustic feedback it that annoying loud continuous tone you get when the sound system is not set up or operated properly. Acoustic feedback can Understanding Audio Understanding Audio Frequency. Every sound we hear is at a certain frequency. When we say someone has a deep voice, we are describing a voice producing low Understanding Audio Understanding Decibels part 2.
In the first article we saw that a decibel is not a fixed unit, rather, it is a ratio between two levels. A decibel Understanding Audio Understanding Decibels part 1. Decibels are widely used in audio, and often misunderstood. These articles give a practical understanding on using decibels in audio work. But first, some Understanding Audio Understanding Audio Levels.
A basic understanding of the general audio levels mentioned in this article will help you avoid the common mistakes often made when connecting audio Understanding Audio Understanding Microphone Sensitivity. What do you understand about microphone sensitivity? Of late I have seen a number of people miss-interpret the specifications of microphones, especially when it After answering nearly questions on connecting speakers on this website, some common themes have emerged.
Please read the answers to these Frequently Asked Questions The speaker selector switch simulators presented here demonstrate how speaker selectors deal with speaker impedance and power distribution. Speaker selector switches are used to In this article we look at how and when to connect 2 speakers in parallel or series. Both the theory and practical points on Speaker selector switches are the most common item bought from Amazon through this website with over units sold. Therefore I thought it is Calculators Speakers in Parallel Calculator.
Jump Straight to Calculator The calculator below is useful in determining the total impedance of speakers in parallel. It also calculates how the power is In an earlier article we looked at the issues involved in connecting multiple speakers to one amplifier. In this article we look at some I am often asked "How do I connect multiple speakers to my amplifier?
Loudspeakers at 4 Ohms vs. 8 Ohms - What’s the Difference and Why It Matters
When it comes to judging the sound quality of a loudspeaker, impedance is one of the many variables at play. Impedance matching may not be the most stringent process for home audio, but when it comes to pro audio, the speaker's impedance needs to be factored in. The measuring unit of impedance is Ohms. In-home audio , most used AVRs, and integrated amplifiers support both 6 and 8 Ohms, speakers.
Can a 8 ohm speaker damage 6 ohm amp?
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Can I use an 8 ohm amp with 6 ohm speakers?
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6 ohm receiver -- 8 ohm speakers
That speaker impedance rating on your towers and bookshelf speakers is held up as a mystery—something strange and mystic, yet dangerous. The bottom line is that people are confused about speaker impedance. I think the easiest way to define speaker impedance is to say that it is the resistance any speaker gives to the current and voltage being applied to it. In a nutshell, a loudspeaker is a big resister—a really cool one. Speaker impedance changes based on the frequency of the signal fed into it.
Best amplifier for 6-ohm speakers
Thanks for clarifying. I thought I was going to upgrade my system by using those bigger speakers. That actually does have 2 small 8 Ohm, 4 Watts speakers which is rather low. However, the sound is not too bad. Would hooking up these be a better idea?
Using 8 ohm Speakers on 6 ohm Stereo
You can use 6 ohm speakers with 8 ohm amplifiers typically. For example, if an 8 ohm speaker is drawing 50 watts, it will draw twice that power at 4 ohms. The amplifier may not have enough power to provide at 4 ohms and will clip and sound distorted. When you use speakers that have a higher impedance 8 ohms vs.
Features and General Questions for Electrostatic Speakers
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Wacker, you weren't wrong :)