DaveP Well-known member Joined Nov 8, 2005 Messages 3,042 Location France Jun 14, 2012 #1 I have found this useful for dating schematics, particularly Compressors, e.g. a circuit cannot have been designed before the tube became available. Thanks to RadioMuseum for the details of first registration. best DaveP Attachments Tube Dates.pdf 6.6 KB · Views: 180
I have found this useful for dating schematics, particularly Compressors, e.g. a circuit cannot have been designed before the tube became available. Thanks to RadioMuseum for the details of first registration. best DaveP
