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The talk of current amplifier vs voltage in audio ...
https://electronics.stackexchange.com/questions/226401/the-talk-of-current-amplifier-vs-voltage-in-audio
The fact remains that it is impractical, a current output amplifier would apply the maximum voltage it can deliver (it would clip !!!) when no speaker is connected or the speaker's impedance becomes too high. Normal voltage output amplifiers only clip when overloaded when a large signal is applied. This behaviour is much more convenient.
Voltage source vs. current source amplifiers
https://forum.audiogon.com/discussions/voltage-source-vs-current-source-amplifiers
First, a voltage source is an amplifier that can make constant voltage regardless of load. No amp can actually do this, but they can come pretty close. This is the phenomena where the power is doubled as the load (speaker) impedance is halved. A current source amp is an amplifier whose output impedance is significantly higher than that of the load and so makes …
Current and voltage amplifiers lecture - ITTC
http://www.ittc.ku.edu/%7Ejstiles/412/handouts/Chapter%201/Current%20and%20voltage%20amplifiers%20lecture.pdf
Current and Voltage Amplifiers A: Any amplifier can be used as either a current amp or as a voltage amp. However, we will find that an amp that works well as one does not generally work well as the other! Hence, we can in general classify amps as either voltage amps or current amps. Q: I’ll admit to being dog-gone confused.
Amplifier and Power Supply Basics | Audioholics
https://www.audioholics.com/audio-amplifier/impedance-selector-switch-1/amplifier-and-power-supply-basics
Amplifiers require a DC (sometimes called rail) voltage to provide a constant power source which the amplifier can in turn use to amplify the input signal. Assuming the output devices can source (allow to pass through them) the current to the load, (In this case our loudspeakers) the higher the DC rail voltage, the more potential power output power the …
Output Power of Audio Amplifier
https://amplifier.cd/Tutorial/Power/output_power.htm
Two channels are used. Channel 1 measures the amplifiers output voltage by using a probe. Channel 2 measure the current with a sufficient fast current probe e.g. Tektronix P6042, P6019 / 134, or AM503. Channel 1 is to be multiplied by channel 2 in the computer of the oscilloscope and for this product is during one period the integral to be formed.
Power supply for Audio amplifier : high-voltage based ...
https://electronics.stackexchange.com/questions/342209/power-supply-for-audio-amplifier-high-voltage-based-watts-or-high-current-base
The amplifier is rated for an input from 8v to 24v. It will function down to 8v, and provide maximum power at 24v. The absolute maximum power you will get into a 6ohm load, assuming bridged speakers and neglecting all losses, …
What is an audio power amplifier ? Explain the difference ...
https://electronicspost.com/what-is-an-audio-power-amplifier-explain-the-difference-between-voltage-amplifier-and-power-amplifier/
To permit this condition, voltage amplifiers are always operated with at low collector currents nearly 1 mA. Power Amplifiers A power amplifier is needed to deliver a large amount of power and hence it has to handle a large amount of current.
Headphone amp - voltage vs current | Audio Science …
https://www.audiosciencereview.com/forum/index.php?threads/headphone-amp-voltage-vs-current.30157/
Divide # watts by # ohms, and then take the square root to find the current (# amps). [For example, 2 watts into 32 ohms corresponds to 1/4 amp of current.] Multiply # watts by # ohms, and then take the square root to find the voltage (# volts), or alternatively multiply the # amps by the # ohms.
1 Introduction to current-drive audio amplifiers for audio ...
http://www.woodjohn.uk/Introduction%20to%20current-drive%20audio%20amplifiers%20Rev.%201.pdf
The output voltage of the amplifier is a larger (amplified) copy of the input voltage. With a two-input ('differential') amplifier, one input produces an. inverted. copy of itself at the output (so that the output goes negative when the input goes positive), while the other input produces a …
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