Rockola O Amplfier Schematic Rockola O Amplfier Schematic 2017-08-20 Alan Segal Public Domain Dedication http://creativecommons.org/publicdomain/zero/1.0/ Amp Amplifier Rockola Schematic O Rock-ola Rock-o-la This is a resmastered version of the hard to find schematicfor the Rockola "O" amplifier 2017-08-20.1 Alan Segal Alan SegalRockola Rockola O Amp Schematic on web (various locations) 3 AMPFUSE PLUG TOPOWERPANEL BLACK BLK YELLOW RED YELLOW RED GREEN 5U4G 16μF 8μF 8μF 8μF TO TUBEHEATERS (X) 200ΩRELAYCOIL 3000Ω 25,000Ω 2 MΩ 250,000Ω INPUTRECEPTACLE 50,000 Ω BASS CONTROL 220 V YELLOW GREEN RED 300 V 370 V 380 V CHOKE - 11HNO PH 3682-1 PLUG JUMPER SPEAKER FIELD C B A - + BLUE TRANSORMERNO PH3683 8Ω GREEN 4Ω SLATE 2Ω YELLOW 1 2 3 4 BLK. BROWN RED 10V BLK 6V BRN q e w r PU w i r y .0008μF .0075μF e w i t u r q e w t r q e w r t SPEAKERPLUG SPEAKERRECEPTACLE RED-YEL TRANSFORMERNO PH3685-5 X X t X X e w i u 1000Ω(CANDOHM) 285 V e w i t u r X X .0005μF 50,000Ω 100,000 ΩTREBLE CONTROL SCHEMATIC DIAGRAM ROCKOLA "O" Amp1422 - 1426 VOLUME CONTROL &TONE COMPENSATIONON SINGLE SHAFT .04 μF .04 μF .01 μF TRANSFORMERNO PH3684-1 6L6G 6L6G 6J5GT 50μF BLK BLUE .02 μF 2500 Ω 50μF 30,000Ω 5,000 Ω VOICE COIL8 Ω CHOKE - 11HNO. PH 3682-1 ---- --