#WesternElectric Type 97-A for six 300B tubes in the Push-pull monoblock power #amplifier. pic.twitter.com/tsOTQ4oxUH — Bernard Žvokelj (@Berny2876) August 11, 2018
#WesternElectric Type 97-A for six 300B tubes in the Push-pull monoblock power #amplifier. pic.twitter.com/tsOTQ4oxUH
