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ac - Isolated audio without a transformer - Electrical ...

    https://electronics.stackexchange.com/questions/450515/isolated-audio-without-a-transformer#:~:text=A%20true%20isolation%20power%20supply%20will%20have%20two,exactly%20the%20same%20as%20input.%20Thus%2C%20no%20noise.
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Your own audio isolator - Audio | Video | Circuits

    https://www.epanorama.net/documents/groundloop/audio_isolator_building.html
    If the cable is not very long (not many meters), in practice it does not matter to which end of the cable this transformer isolation circuit is connected. Isolation for balanced lines. For balanced lines equipped with XLR connectors the audio …

Audio-Optical Isolation Amp | audioXpress

    https://audioxpress.com/article/Audio-Optical-Isolation-Amp
    This circuit enables the full galvanic isolation of sound frequency signals with optical transmission in excellent quality, eliminating interference. …

Audio line isolation transformer - Audio | Video | Circuits

    https://www.epanorama.net/circuits/audio_isolator.html
    The simplest and most common way to do the isolation is use audio transformer which is ment for audio use. Transformers for audio use have some problems like distorted bass response and attenuating in high-frequency response.

Audio Optocouplers - Learn About Electronics

    https://www.learnabout-electronics.org/Semiconductors/opto_53.php
    Basic Audio Optocoupler. The circuit shown in Fig. 5.3.4, adapted from a design in Newnes Electronic Circuits Pocket Book by Ray Marston (ISBN 10:1-4832-9192-8) uses the 4N25 connected as a phototransistor to pass audio signals whilst isolating the input and output circuits. An LM324 op amp is used here to drive the LED input of the 4N25.

DIY Ground Loop Isolator: How To Make a Ground Loop …

    https://www.radio4all.org/diy-ground-loop-isolator/
    An enclosure box is made of plastic or a non-conductive material. You use it to house and protect the audio isolation transformer and the wires connected to it. Additionally, it serves as a surface for you to affix the female RCA connectors with the output facing outwardly. Any simple ...

Amazon.com: Audio Isolation Transformer

    https://www.amazon.com/Audio-Isolation-Transformer/s?k=Audio+Isolation+Transformer
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