In this video, Steve disassembles a Cambridge Audio A4 Integrated Amplifier which he rescued before it was thrown away. The amplifier is refurbished with new electrolytic capacitors and a clean inside before performing a modification to make the dials on the front panel glow.
Laser Cut Acrylic Rings – To dissipate the light
Testing the acrylic rings with an LED
The video of the process is here on YouTube:
Pingback: Cambridge audio A4 stereo Amplifier Mods | The Sun