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Zero Feedback Transformer Audio Power Amplifier - About
http://audiophonics.com/audiophonics-zeus-about.html
Zeus Power Amplifier A Zero Feedback Power Amplifier, for Audio and Other Applications. "The perfect amplifier is wire with gain." Introduction This design originated in 1994 as I needed an amplifier to drive my spheroidal enclosure …
Best class a, zero feedback amp? | What's Best Audio and ...
https://www.whatsbestforum.com/threads/best-class-a-zero-feedback-amp.25295/
Gryphon Colosseum: http://www.gryphon-audio.dk/products/power-amplifiers/colosseum.aspx. 160 watts Class A, 176 lbs. Zero global negative …
Zeus 75 - Zero Feedback Transformer Audio Power Amplifier
http://www.audiophonics.com/audiophonics-zeus75.html
Amplifier Highlights Zero feedback. Balanced and isolated input and outputs. Output configurable to drive any impedance load, from electrostatics to sub-ohm parallel linear array loudspeakers Good EMI/RFI performance. Low voltage …
Zero Feedback Impedance Amplifiers - diyAudio
https://www.diyaudio.com/community/threads/zero-feedback-impedance-amplifiers.42259/
Zero Feedback Impedance Amplifiers. ... Transformers theoritically are not linear, huge distortions for audio reproduction. But somehow, I like sound of transformers . This portable radio runs rings around ANY portable component that I have ever heard, including Class D portable circuits.
StereoTimes - Monarchy Audio SM-70 Pro Zero-Feedback Amplifier
http://stereotimes.com/amp050200.shtml
For whatever reason, strings, brasses and vocals sounded more convincing when reproduced through these diminutive Zero-Feedback, Class-A amplifiers. Best of all, the high frequency reproduction was natural, non-fatiguing and satisfying, which was no small accomplishment.
Do No Negative Feedback Amplifiers Sound Better? | AVS …
https://www.avsforum.com/threads/do-no-negative-feedback-amplifiers-sound-better.926202/
"A negative feedback amplifier, or more commonly simply a feedback amplifier, is an amplifier which uses a negative feedback network, generally for improving performance (gain stability, linearity, frequency response etc.). Feedback can be negative or positive, but must be negative for overall stability of the system.
Audiophile Myths About Amplifier Negative Feedback ...
https://www.audioholics.com/audio-amplifier/amp-myths-negative-feedback
summing node has to be just about 0. So the task of amplifier A is to steer the output voltage such that the voltage differential between the two inputs stays at zero. Like the driver’s task is to steer the car so that the difference between its position and that of the middle of the lane is zero. When you do that, the one in the
Zero feedback and class A,which is better?
https://forum.audiogon.com/discussions/zero-feedback-and-class-a-which-is-better
The ZERO is the way to deal with the impedance and will allow any zero-feedback amplifier to operate the speaker so long as the amp is able to make enough power into a benign load. The fact that the speaker is an ESL means that the speaker is expecting the amp to make constant power regardless of the load impedance of the speaker (which is why transistors for …
Audio distortion and feedback - Pass Labs
https://www.passlabs.com/technical_article/audio-distortion-and-feedback/
In actual audio circuits, the amount of feedback can range between 0 dB (none at all) and as much as 100 dB (100,000 times). Sometimes you don’t need that much, but a typical integrated circuit op-amp comes with that much open loop, so there it is. Negative feedback is good at reducing all forms of distortion, linear and nonlinear.
Negative feedback in audio amplifiers: Why there is no ...
https://www.edn.com/negative-feedback-in-audio-amplifiers-why-there-is-no-such-thing-as-too-much/
The siren song of negative feedback is that maximising A makes the ETF approach zero and makes the STF approach -1/B (s). The quantity A (s) • B (s) is called “loop gain.” This is the more precise term for what we loosely call “the amount of negative feedback.”
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