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2. Impedance matching - Wikipedia

   en.wikipedia.org/wiki/Impedance_matching

   Typical push–pull audio tube power amplifier, matched to loudspeaker with an impedance-matching transformer. Audio amplifiers typically do not match impedances, but provide an output impedance that is lower than the load impedance (such as < 0.1 ohm in typical semiconductor amplifiers), for improved speaker damping.

3. Neural DSP - Wikipedia

   en.wikipedia.org/wiki/Neural_DSP

   Neural DSP Technologies is a Finnish audio equipment manufacturer founded in 2017 by Douglas Castro and Francisco Cresp. Headquartered in Punavuori, Helsinki, the company is best known for its flagship guitar amp modeler, the Quad Cortex, and for its amp modeling audio plug-ins that create computer-based virtual amplifier and effects modelling suites. [3]

4. Signal conditioning - Wikipedia

   en.wikipedia.org/wiki/Signal_conditioning

   Operational amplifiers (op-amps) are commonly employed to carry out the amplification of the signal in the signal conditioning stage. In some transducers , signal conditioning is integrated with the sensor, for example in Hall effect sensors .

5. Tube sound - Wikipedia

   en.wikipedia.org/wiki/Tube_sound

   Tube sound (or valve sound) is the characteristic sound associated with a vacuum tube amplifier (valve amplifier in British English), a vacuum tube-based audio amplifier. [1] At first, the concept of tube sound did not exist, because practically all electronic amplification of audio signals was done with vacuum tubes and other comparable ...

6. Digital signal processing - Wikipedia

   en.wikipedia.org/wiki/Digital_signal_processing

   Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations. The digital signals processed in this manner are a sequence of numbers that represent samples of a continuous variable in a domain such as time, space ...

7. Common base - Wikipedia

   en.wikipedia.org/wiki/Common_base

   For R S values in the vicinity of r E the amplifier is transitional between voltage amplifier and current buffer. For R S ≫ r E the driver representation as a Thévenin source should be replaced by representation with a Norton source. The common base circuit stops behaving like a voltage amplifier and behaves like a current follower, as ...

8. Audio crossover - Wikipedia

   en.wikipedia.org/wiki/Audio_crossover

   the power amplifiers are directly connected to the speaker drivers, thereby maximizing amplifier damping control of the speaker voice coil, reducing consequences of dynamic changes in driver electrical characteristics, all of which are likely to improve the transient response of the system; reduction in power amplifier output requirement.

9. Mismatch loss - Wikipedia

   en.wikipedia.org/wiki/Mismatch_loss

   Impedance matching is an important part of RF system design; however, in practice there will likely be some degree of mismatch loss. [1] In real systems, relatively little loss is due to mismatch loss and is often on the order of 1dB [ dubious – discuss ] .