Orange Amp Field Guide: OR80R Reverb Pics-Only Combo Vintage

OR80R Pics-Only Combo Vintage

original ebay info

Year: older than 1974
Model:OR80 Reverb Pics-Only Combo Vintage
Model Number:OR80R
Serial Numbers:Chassis: 80061R
Cabinet: OA2476
Control Panel Layout:Input - F.A.C. - Bass - Treble - H.F.Drive - Gain - reverb footswitch input??? - reverb pot??? - Pilot Light - Power
Rear Panel Layout:mains chord - Mains selector - 2 Fuse holders - Reverb input/output - impedance selector - 2 Speaker Outputs (same impedance?) -
Speaker model:Square speakers with Orange label???
Effects:Reverb tank on bottom of cabinet, electronics embedded in chassis
Output:80 Watts
Preamp tubes:???
Power tubes:2 x EL34
Bias:Fixed bias
Rectifier:solid state
Phase Inverter:Cathodyne type: 1/2 x 12ax7
Circuit:This is probably a merge of an OR80 with the Orange reverb schematic that normally has a separate housing.
Chassis layout:The two remaining power tube sockets are used two put 9 pins tubes, so there are four sockets in total for preamp and reverb drive and recovery tubes. Preamp and reverb driver and recovery tubes are pcb-mounted!
Comments:This is the oldest Orange amp with reverb that seems to be original!