HF amplifier Ameritron ALS-1306
20:01
HF Amplifiers Explained! - Ham Radio Outlet
28:31
AmateurLogic.TV 18: Ameritron Amplifier Factory Tour
25:36
HF Amplifiers: Making the Right Choice
18:09
Ameritron AL811H converted to AL811HD with 4 x 572B tubes
9:05
Palstar LA-1K Review – 1 kW Solid-State LDMOS HF amplifier (6 to 160M)
16:06
Understanding HF Antenna Tuners, What Does It Do?
17:17
Vintage Tech: Amplifier Ameritron AL 811 troubles
7:44