For sale is reprint of Manual for Radio Industries Loudenboomer Mark II Amplifier. Manual is 17 pages long and includes part list and circuit digram. Manual is in 5.5×8.5″ Booklet Format, same as original.
Manual consists of: Installation and Connection, Antenna Systems, Controls, Tune-Up Procedures, Maintenance. Must for every owner of this great Amp. Radio Industries were purchased by Hallicrafters in 1960’s, Loudenboomer line of Amps were renamed HT-45.