HiFi Mini Class A 12AU7 Tube Multi-Mix Headphone Amplifier Stereo Pre-Amp Board DC24V
HiFi Mini Class A 12AU7 Tube Multi-Mix Headphone Amplifier Stereo Pre-Amp Board DC24V
The amplifier sounds great but MOSFETs get VERY hot in a short period of time (10-15') using 52 Ohm headphones. After this time you are not able to suport your finger over the radiator. I will try to see if it works better with lower voltage without losing quality and not much power, but trying to reduce heat dissipation a little bit