FAQ – Alpha 9500 sub 180s warmup

Posted on May 12, 2016 by B Admin

Alpha 9500 sub 180 second warmup The specified warmup time for the 8877 tube is 180 seconds. This is a very conservative time, that covers all possible operating conditions, such Read more →

Alpha 87A

Posted on May 11, 2016 by B Admin

Alpha 99

Posted on May 11, 2016 by B Admin

Alpha 99 Documentation 99 Schematics – Original Version 99_SCHEMATICS_1 99 Schematics – Late Tubedeck, Mains, HVPS 99_SCHEMATICS_V3 99 Tube Bias Adjustment 99_Tube_Bias_Level_Adjustments 99 Tuneup Procedure 99_tuneup 99 Parts list PARTS_LIST_-_ALPHA_99 Read more →