The old capacitors.
A Parcel Arrives
One day a box of gargantuan capacitors arrived—really heavy industrial cans measuring nearly 7″ high and 3″ in diameter. They were destined to replace the main caps in my CH Precision M1 monoblocks. This was the hardware component of the newly released M1.1 Amplifier mod.
I had been informed about the modification in a pre-release email:
The upgrade consists of changing the main power supply capacitors of the M1 to new special ones. These are huge electrolytic capacitors that act as energy reservoirs for the amplifier boards.… Read the full article