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Amplifier Protection and Power Supply Circuits ...
https://320volt.com/en/amplifier-protection-and-power-supply-circuits/
When high current is drawn from the power supply, the speaker connection is cut off and the DC voltage at the output of the amplifier is disconnected in the same way + 56v-56v output for the amplifier, as well as symmetrical +12 -12v output and 24v fan output for tone control, preamp and so on. APEX PSU7 Power Supply Soft start Speaker Protection
Best Audio Amplifier Circuit - Engineering Projects
https://bestengineeringprojects.com/best-audio-amplifier-circuit/
Adjustment of the Circuit | Best Audio Amplifier Circuit. Connect all the component as shown in circuit diagram. Audio input connector (CON3) and variable resistor VR 1 fit on the front panel of box. Variable resistor VR 2 should be adjusted to about 11Ω. Enclosure the complete circuit in small box and connect the primary winding to mains supply.
AN-1849 An Audio Amplifier Power Supply Design …
https://www.ti.com/lit/an/snaa057c/snaa057c.pdf
This application note covers the design of a ±72-V unregulated power supply specifically for audio amplifiers. The power supply is an unregulated design with an option to allow connection to either 120-V or 240-V mains. The design uses toroidal transformers, a fully integrated bridge, and various rail capacitors for
EETimes - Audio amplifier power supply design - Part 1 ...
https://www.eetimes.com/audio-amplifier-power-supply-design-part-1-power-supply-types-transformer-considerations/
Power-Supply Technologies There are three principal ways to power an amplifier: 1. a simple unregulated power supply consisting of transformer, rectifiers, and reservoir capacitors; 2. a linear regulated power supply; 3. a switch-mode power supply.
Audio Amplifier Circuit - UC Santa Barbara
https://web.ece.ucsb.edu/Faculty/rodwell/Classes/ece2c/labs/Lab%201a%20-%202C%202007.pdf
Audio Amplifier Circuit Overview In the first part of lab#1 you will construct a low-power audio amplifier/speaker driver based on the LM386 IC from National Semiconductor. The audio amplifier will be a self-contained, battery-operated component. In the …
Power Supplies - BuildAudioAmps
http://buildaudioamps.com/power-supplies/
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