In reference to Gale's needs this is his answer.
The Simple linear amplifier I use is 300 watts am and 500 watts ssb it is a RM Italy the Model number is HLA-300V, this is a solid state, no tubes.
you can purchase this amp at H And Y Electronics
the cost is $494.14 plus shipping
they are located in Louisville, Kentucky
the phone number is:
502-231-2921
what is real nice is that you can use as low as 2 watts to drive it on bands 160 to 10 meters.
I have had this amp for 4 years.
be sure you give your call sign, when ordering.
73
Pierre
k9eye