Amplifier Circuit DiagramsPower Supplies

AMPLIFIER POWER SUPPLY AND PROTECTION CIRCUITS Schematic Circuit Diagram

Power supply circuits that you can use in various power circuits such as an amphibious, preamplified, etc. circuits are available in low power designs as well as high power ones. Generally PCB designs are made with protection circuits. Mile Slavkovic APEX series is sharing many projects on the web by simplifying professional designs. can be used in multiple circuits.

APEX ACTIVE DC SERVO REGULATOR

DC servo regulator circuits LM78XX LM79XX and LM317 LM337 Two different PCB designs for regulator integrations The output voltage regulation with the NE5532 opamp is more stable, especially in hi-fi applications such regulated circuits are used. The value of the filter capacitors after DC rectification is a bit high 4700uF. Not better but 2200uF is more than enough.

AMPLIFIER POWER SUPPLY AND PROTECTION CIRCUITS Schematic Circuit Diagram 1

APEX AX11 POWER SUPPLY + SPEAKER PROTECTION

100W … 200W power supply suitable for an amps, there is a zovel filter and protective fuses used in the output of the stray DC voltage protection amplifier. The filter coil is bridged diode and filter capacitors which are to be twisted 24 times in 1.2 mm pitch. The speaker line on the pcb is controlled by 24v relay.

AMPLIFIER POWER SUPPLY AND PROTECTION CIRCUITS Schematic Circuit Diagram 2

APEX APEX PSU PROTEC

This power supply circuit is equipped with an advanced protection system. When high current is drawn from the power supply, the speaker connection is cut off, and the DC voltage generated at the output of the amplifier is disconnected in the same way
. + 56v to -56v output for amplifier input as well as symmetrical +12 -12v output for tone control, and 24v fan out.

AMPLIFIER POWER SUPPLY AND PROTECTION CIRCUITS Schematic Circuit Diagram 3

APEX PSU7 POWER SUPPLY SOFT START SPEAKER PROTECTION

Designed for 300W … 500W high power amp, 220V soft stary line speaker with DC protection circuit and DC rectification section.

AMPLIFIER POWER SUPPLY AND PROTECTION CIRCUITS Schematic Circuit Diagram 4

In high power circuits, the path thicknesses may not be sufficient, you may need to reinforce with solder the source pcb files of all power supply circuits have pcb drawings prepared with sprint layout.

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