This is the bare PCB set of a stereo high-end DAC tube output stage, designed by audio expert Mr. Andrea Ciuffoli.
This is a new design in 2025.
When connected to a class D amplifier ( as depicted in audiodesignguide website, it will form a high end hybrid class D system)
PCB thickness : 1.6mm. Copper thickness : 75um( 4 times normal thickness !!!)
Amplifier PCB dimension : 286mm x 152mm
The project details can be found in Mr. Adrea Ciuffoli 's website audiodesignguide.
The board set includes :
1. DAC output board ;
2. Anti-bumping board ( for power amp turn off)