Acom HF amplifiers are SERIOUS amplifiers. If you are serious about impressing your fellow DXer, then Acom is the way to go;
HF Splitter combiner for 3 Amps: ACOM 3X2000A Operating manual
The A1000 is a HF and 6m Amp: oper_man_eng_a1000
The A1010 is an awesome HF Amp: oper_man_eng_a1010
The A2000 is a fully automatic HF Amplifier: oper_man_eng_a2000