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Description After spending plenty of time designing different self-locking bobbins I decided to make an universal tool which would allow to simplify this process. Freeware tool for automatic self-locking bobbin design based on core dimensions – ribbon width, stack thickness (buildup), window height, window width. Can be used for EI, C-core and . . . → Read More: BA-TrafoBobbinMaker: tool for automatic self-locking transformer bobbin design WARNING: This is preliminary version of manual, I will update it later with pictures, more tube samples, and restoration walk-through. Please note this manual have some Cyrillic writings originally found on these devices, so make sure your browser display them correctly. L1-3 and L3-3 are among the best and powerful transconductance . . . → Read More: L1-3/L3-3 Vacuum Tube/Valve Tester User Manual Preface After restoring my Fisher 400, I could not let my smart head and creative hands rest. So I have started to look for another tube gear to apply my newly acquired skills. There was plenty of stuff around, but importing from USA to European Union is quite prohibitive – around $200 – . . . → Read More: Pioneer SM-83 Vacuum Tube Amplifier Restoration Preface “A door has opened for you, and your family, on virtually unlimited years of musical enjoyment.” Avery Fisher, 1964g. If you like tube sound, vintage Fisher tuners/amplifiers are among the top choice – they are well designed and build, and despite 40+ years of age, still provide many people with the excellent . . . → Read More: Fisher Vacuum Tube Tuner/Amplifier Restoration |
