811h

10/12 meter Mod for Ameritron 811 - 10 meter modification for the Ameritron AL-811 and AL-811H amplifier. This mod apply to other Ameritron AL Series RF amplifiers and allow extension to 10 and 12 meters band.

Ameritron AL-811H Reviews - eHam reviews of the Ameritron AL-811H HF power amplifiers

Ameritron Al-811H demo by K1OIK - Demonstrating tuning and operation of the ameritron al-811h in this Youtube video

Ameritron AL-811H by EA2ID - Ea2id demonstration video of the Ameritron AL-811H in spanish

Ameritron AL-811H Manual - Ameritron 811H PDF File manual

Ameritron AL-811H Tuning - Ameritron Al-811H Tuning for Power/Dissipation/Linearity, and More Generally 811A Tube Amps in Grounded Grid

Ameritron AL-811H tube selection - This article examines the performance of the Ameritron AL-811H amplifier with the supplied 811A tubes and with 572B tubes, and details a procedure for replacement of existing tubes.

AL-811H inside - Ameritron AL-811H Amplifier inside 800 Watt PA modified with 4x 572b tubes

AL-811 10 mt mod pictures - Pictures of the Ameritron AL-811 modification for 10 meter band extension by km5ps

Ameritron AL811 AL811H information - AL-811 and AL-811H specifications and information about this 600-800 Watt ham radio ower amplifiers

AL-811 QSK and Keying interface mod - QSK and Keying interface Modification for the Ameritron AL-811H Based on Phil Salas ALS-600 QSK Mod.