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Variable Attenuator - Simple Circuit Diagram
https://www.simplecircuitdiagram.com/545-variable-attenuator/
Variable Attenuator. February 2, 2010 Adam. This is a variable attenuator circuit. This circuit can be used to reduce the power or amplitude of a signal without appreciably distorting its waveform. Here is the circuit : This circuit uses 2N3685 as a voltage variable resistor with an RDS (on) of 800 Ohm. Using 2N3685 JFET, this circuit will provide excellent electronic gain control …
Homemade RCA Attenuator : 5 Steps (with Pictures ...
https://www.instructables.com/Homemade-RCA-Attenuator/
Homemade RCA Attenuator: This project arose from the fact that I had too much gain in my audio system, and I needed a practical solution without modifying the PCB circuit. The problem can be solved using an RCA (in-line) attenuator, but since a new one can be quite expensiv…
DIY Lightspeed Attenuator - DIY AUDIO PROJECTS
https://diyaudioprojects.com/Solid/DIY-Lightspeed-Passive-Attenuator/
The schematic for the Lightspeed Passive Attenuator is shown below. George has chosen to share his Lightspeed Attenuator with the DIY community provided that it is only used for personal use only. Details about George's commercial offering of the Lightspeed Passive Attenuator are provided at the bottom of this page.
DIY Reactive Variable Attenuator (Demo and Schematic inside)
https://el34world.com/Forum/index.php?topic=23112.0
DIY Reactive Variable Attenuator (Demo and Schematic inside) EDIT: Please do not build this :) It was a flawed design from the beginning, by putting the reactive part in parallel with the speaker I forgot to account for series resistance amplifying the "reactance" of the speaker. This is why the response was all over the place and I tried to ...
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