Hi,
I have the Ameritron ALS-600 amp and love it. It is so very nice to be able to hear a DX spot, for example, and move to it and if you need the amplifier simply make sure it is set to the right range. I'll never go back to tubes again.
Hope this helps. 73
Kevin, K7RX
Kevin Nathan, Adaptive Technologist
Idaho Commission for the Blind & Visually Impaired