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Washington, USA.

Simple voltage regulator circuit board. 5 Volts DC adapter powered by generic 7805 IC.

Vintage Electrical Vacuum Tube on Wooden Surface

Various radiolamps on a laptop background

Radio repair store, The Hague, the Netherlands - February 17 2024: old Philips radio tube vacuum valves on a light background

Pile of vintage circuit card with radio components. Colorful background

macro circuit board

Vintage radio vacuum tube - retro technology from the past. Isolated on black background

Close-up of electronic components on a circuit board

Closeup of electronic circuit board with processor

Close-up showing resistors on a power board

radio component lamp closeup on white isolated background

circuit board macro

A rare electronic board with electron tubes

Photograph of vintage electronic board multicolored detail.

Old cathode ray tube on white background.

Electric transformer - rectifier

vacuum tube amplifier with 300B triodes

1950s vacuum tube electronic component.

Open rice cooker showing its circuits and wires

transistors attached to the heat sink to reduce heat. These transistors are used as current amplifiers

Close-up Electronic circuit board with Audio amplifier

Capacitors on a white background, machine capacitor cables

Power board electricity inductors close-up

Electrical assembly with glowing tube on a circuit board with electrical components and cables

Close-up of electronic components on a circuit board

Radio tubes inside the old amplifier. Selective focus

Close-up of electronic circuit board

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