A50W Pure Class A Power Amplifier Board 50W IRFP9140N High Current Field Effect Tube Audio Amplifier Board

Features:
- 50W 8Ω power amplifier boards.
- Adopting IRP 140N, IRF9140N high current field effect tubes.
- DC±35V power supply is needed. You can also use AC 24-0-24V transformer for rectification.
- 3KG heat sink is recommended for each channel (not included).

Specification:
- Product size: 15 x 7.5 x 3cm (including the aluminum plate length)

Package Included:
- 2 x Amplifier Boards