You can, but its power output will be a bit higher than its 8 ohm rating.
This depends on your amplifier's specifications. i would recommend looking in the amplifier's service manual to avoid disapointment or damage to your amplifier or speakers.
If you connect three 4 ohm speakers in parallel, the amplifier would see a load of about 1.3 ohms. This definitely could damage the amp if you drive it too loud.
There is really no amplifier on the market which has an output impedance of 4 ohms. The impedance of an amplifier is always less than 0.5 ohms. We do not use matching, we use bridging when we connect the amplifier to the loudspeaker. Scroll down to related links and look at "Interconnection of two audio units".
A1: The output impedance of a power amplifier is always less than 0.1 ohms. There are no 4 ohm amplifiers on the market! A2: I actually just bought a new car radio/CD player that specifically shows 4 ohm speakers on the sticker. It is designed to work optimally with 4 ohm speakers. If you use 8 ohm instead, it will work, but you will not get the full power output that is specified. The amp can only kick out so much voltage and so much amperage - if it is designed for 4 ohm speakers, and 200 watts (stereo, so 100 watts per speaker), it can supply 20 volts (P = V^2 / R). If you used 8 ohm speakers to this amplifier, each speaker would only get 50 watts powered at full output voltage. Alternatively, if it is designed for 8 ohm speakers and 100 watts per speaker, it can provide 40 volts. If you used 4 ohm speakers instead, each speaker could be given 200 watts at 40 volts, resulting in severe overheating and damage to the amplifier.
The TV will need to have AUDIO OUTPUT jacks to connect to the speakers or a amplifier to power the speakers and subwoofer.
Yes, but you should be careful not to exceed the amplifier's mininum impedence rating for each channel. If your amplifier is rated down to 4 ohms, you cannot connect more than two 8-ohm speakers on to each lead. Doing so will damage the amplifier. Connecting two 4-ohm speakers will drop the impedence down to 2 ohms, which is lower than most home amplifiers will tolerate.
To wire two 8-ohm speakers together while maintaining an 8-ohm total impedance, connect them in parallel. This means you should connect the positive terminals of both speakers together and the negative terminals together, then connect the paired terminals to your amplifier. The formula for calculating impedance in parallel is 1/R_total = 1/R1 + 1/R2; thus, two 8-ohm speakers in parallel result in a total impedance of 4 ohms. To stay at 8 ohms, you can wire one speaker in series with another 8-ohm speaker, resulting in a total impedance of 16 ohms or use a different configuration or additional speakers.
If you connect four four-ohm speakers in parallel, the impedance will be equal to 1 ohm, and will allow the speakers to run at the advertised watt RMS. The equation is 1/(total impedance) = 1/(impedance 1) + 1/(impedance 2) and so on. Parallel is like this: Power source: + Speaker+: + + + + Speaker-: - - - - Power source: - However, usually if you hook up a 4 ohm speaker to a 1 ohm amplifier, it would still function it would simply not provide nearly as much wattage as it would have otherwise. Also, if your speakers are dual voice coil (like many subwoofers) you could use 2 4 ohm speakers, connecting the two voice coils on each speaker in parallel and then connecting the speakers themselves in parallel.
To wire a Rockford Fosgate T500.2 amplifier to a 2 ohm load, you will need to connect two 4 ohm subwoofers in parallel. Each subwoofer's positive terminal should be connected to the amplifier's positive output terminal, and each subwoofer's negative terminal should be connected to the amplifier's negative output terminal. This will create a 2 ohm load for the amplifier. Be sure to verify the amplifier's minimum impedance requirements to ensure proper operation.
To wire two 80-ohm speakers to your project one DC series model, connect the positive terminal of the first speaker to the positive output of the amplifier, then connect the negative terminal of the first speaker to the positive terminal of the second speaker. Finally, connect the negative terminal of the second speaker back to the negative output of the amplifier. This series configuration will yield a total impedance of 160 ohms, which is suitable for driving with an appropriate amplifier.
You can't. Two 4 ohm speakers in parallel equal 2 ohms, and two in series equal 8 ohms. It is possible to wire four 4 ohm speakers so that the load is 4 ohms though. Put two in series (8 ohms). put the other two in series (8 ohms). Then put the two sets in parallel (two 8 ohm sets in parallel equal 4 ohms).
For a 500-watt, 2-channel amplifier, the speaker impedance you need depends on the amplifier's design and configuration. Common speaker impedances are 4 ohms and 8 ohms. If your amplifier is rated for 4 ohms, you can use 4-ohm speakers for maximum output. However, if it’s designed for 8 ohms, using 4-ohm speakers may lead to potential damage, as it could push the amplifier beyond its limits. Always check your amplifier's specifications to ensure compatibility.