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Common misconceptions about constant voltage …
https://www.atlasied.com/blog-constant-voltage-speaker-systems
Using Ohm's law, we can take the voltage squared (70 x 70) divided by the wattage (150) and get a resistance rating of 33.66-ohms. An impedance meter can be connected to the loudspeaker wiring at the amplifier to confirm it is wired correctly. These systems are only for ceiling speakers. The 70V system is just a means of signal distribution.
Audio output voltage range - Electrical Engineering Stack ...
https://electronics.stackexchange.com/questions/525252/audio-output-voltage-range
Audio gear is genearally designed to have nominal levels of “-10dBV” (consumer) or “+4dBu” (professional). -10dBV corresponds to 0.3Vrms and +4dBu to 1.2Vrms. But these are merely “nominal” levels. A certain amount of headroom, generally 12dB or more, is added to allow for the loudest signals to not clip.
A Test. How much Voltage (power) do your speakers need ...
https://www.diyaudio.com/community/threads/a-test-how-much-voltage-power-do-your-speakers-need.204857/
Playback the test tone and measure the voltage at your speaker terminals. Measure at the amp or at the speaker, either is fine. Post the voltage you measured. The principal of the test: With digital playback, there is a maximum value "set in stone", so to speak. That value is 0dB. All other levels are below this.
THE RELATIONSHIP OF VOLTAGE, LOUDNESS ... - Galen …
https://www.gcaudio.com/tips-tricks/the-relationship-of-voltage-loudness-power-and-decibels/
Looking at the chart, and starting at the left, we can see that an increase of 3dB results in a voltage increase 1.4 times the original, a doubling of power, and yields only a subjective increase in loudness only 1.23 times the original. To get a doubling of loudness, it is important to note that an increase of 10dB is necessary.
Testing voltage at speaker wire | DiyMobileAudio.com Car ...
https://www.diymobileaudio.com/threads/testing-voltage-at-speaker-wire.428040/
As for the voltage going to the rear speakers, IDK, but I can't imagine they are getting more than 20w tops, which as far as voltage goes, it depends on what impedance the factory speakers are. If they are 4 ohm speakers, then you're looking at 8v maybe.
How Much Power Do Speakers Need? Speaker Specs …
https://thehometheaterdiy.com/speaker-specs-explained/
Amplifiers capable of putting out 10-20 watts of power will be capable of making your system fully functional at a normal listening volume. More specifically, if you have an average-sized room (about 12 feet) and listen at an average volume, you will likely only need 50 watts of power for your speakers.
Speaker Power Calculator | CUI Devices
https://www.cuidevices.com/product/resource/calculators/speaker-power-calculator
CUI Devices' speaker power calculator can be used to quickly solve for a speaker’s power, voltage, and impedance ratings when two values are known. To use the calculator, select your drive voltage units from the dropdown, enter your two known values into the appropriate fields, click calculate, and the converted power, drive voltage, or speaker impedance value will be …
Power vs Current/Voltage in Speakers! | All About Circuits
https://forum.allaboutcircuits.com/threads/power-vs-current-voltage-in-speakers.142666/
The movement of the cone coil in the magnetic field generates a back voltage which appears as a voltage across the speaker terminals. The more applied voltage, the more current and the greater the cone movement, until the generated back voltage equals the applied voltage. So it's this voltage times the current that is the power to the speaker to physically …
SERIES vs PARALLEL: Speaker Impedance Explained – …
https://audiouniversityonline.com/series-vs-parallel-speaker-impedance-with-multiple-speakers/
A speaker’s nominal impedance is usually 2, 4, 8, or 16 ohms. Written on the back panel of the amplifier or in its technical specifications, you’ll find the impedance rating of your amplifier. The impedance rating of an amplifier usually ranges between 2 ohms and 16 ohms.
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