JIMJAMSVINTAGEMUSIC brings you this pair of bell and Howell filmosound 6v6 tube amplifiers. Amplifiers look to have their original electronics and the transformers are all good. Included are two sets of nos International servicemaster tubes fron the 1970s. The 6v6mg are American made, The 6j7 tubes are also American. The 6sl7 tubes are labeled great Britain and the 5y3 tubes are japan, both sets are the same. The 918 tube shown on the amplifier is untested, I could not test it.  Amplifier should be gone over by a technician and not considered plug n play.  If you have any questions please ask or you can call me with any questions at (330)317-8374.