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Search results with tag "Phonograph"
Gm vs mu - Vintage Radio and Phonograph …
vrps.orgGm vs mu by Mike McCarty Most tube testers just check emission. Some of them also check for some sort of gain; often a "transconductance" is measured.
Antique Radio & Phonograph POCKET RESOURCE GUIDE
vrps.orgAllen Gann (727) 418-4742 10035 82nd Street N., Largo, FL 33777 allen@old-radios.net General TV / Jukeboxes etc. Kurt Lofback (727) 725-5640 320 Main St., Safety Harbor, FL 34695