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A passive sub-woofer does work when plugged in to an amplifier. In an active sub-woofer ("powered") the amplifier is built in.
Impedance is not unique to ham radio and applies to all electronics. Impedance is a property of electrical circuits that can impede the current from flowing.
a speaker is a device for sending out sound. a woofer is a speaker designed for low bass sound a tweeter is a speaker designed for high treble sound
tear the woofer down to just the frame and magnet,unscrew the screws from the frame thats going into the magnet then toss it in the oven to melt the adhesive
Sorry, there is no 4 ohm amplifier in the world. It's a myth. A loudspeaker amplifier has an output impedance of less than 0.5 ohm. In hi-fi we have always impedance bridging. Zout << Zin. That means the output impedance of the amplifier is much less than the input impedance of the loud speaker. The damping factor Df = Zin / Zout tells you what Zout is. Zout = Zin/Df. If the damping factor Df = 200 and the loudspeaker impedance is Zin = 4 ohms, the output impedance of the amplifier is Zout = 4 / 200 = 0.02 ohms. You see, there is no "4 ohm amplifier" on the market with a 4 ohm output impedance. Scroll down to related links and look at "Voltage Bridging or impedance bridging - Zout < Zin".
Of course! As long as your amp's minimum impedance is 4 ohms or lower.
Sorry, but there is really no 4 ohm amplifier. We use only voltage bridging. The amplifier will have an output impedance of around 0.04 ohms. In hi-fi we have always impedance bridging. Zout
Sorry, but there is no 8 ohm amplifier on the market, when you mean the output impedance. The impedance is always 0.5 ohms or less. We don't use impedance matching, we use voltage bridging. Scroll down to related links and look at "Interconnection of two audio units - power amplifier and passive loudspeaker".sorry yourself any power amplifier has an impedance matching characteristic's He is asking would it work my answer is yes but not as efficient as originally designed
The duration of Pictures with Woofer is 1800.0 seconds.
8 inch woofer
That depends on the output impedance. In electronic we use voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is more than ten times higher then the output impedance. An input impedance is called also a load impedance or an external impedance. An output impedance is called also a source impedance or an internal impedance.
Pictures with Woofer was created on 1960-01-08.
Pictures with Woofer ended on 1960-06-24.
The characteristic impedance or surge impedance belongs to uniform transmission lines.In electronic gears we use voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is more than ten times higher then the output impedance.An input impedance is called also a load impedance or an external impedance.An output impedance is called also a source impedance or an internal impedance.
The word "woofer" is a noun and so doesn't have a past tense.
In electronic gears we use voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is more than ten times higher then the output impedance.An input impedance is called also a load impedance or an external impedance.An output impedance is called also a source impedance or an internal impedance.
load impedance