description | language | size | download |
---|---|---|---|
Hifi amplifier with no phase distortion up to 30,000 cycles | 89 KB | download pdf-file | |
Mikrofon-Preamplifier with low voltage vacuum tubes | 33 KB | download pdf-file | |
KO-circuit for obtaining amplifier-tube characteristic curves | 76 KB | download pdf-file | |
Circuit for obtaining mutual conductancec characteristic curves | 60.4 KB | download pdf-file | |
Audio circuits: amplifier, fader control, distortion reducer | 186 KB | download pdf-file | |
2 Phono-Preamplifiers with ECC 83 | no language | 25 KB | download pdf-file |
8 audio circuits from 1968 | 146 KB | download pdf-file | |
6 high voltage crt supplies from 1968 | 87 KB | download pdf-file | |
6000V DC power supplie from 1964 | 31 pages, 2.46 MB | download pdf-file | |
3100V DC power supplie from 1965 | 39 pages, 9.88 MB | download pdf-file | |
Messender zum Schaltungstest von Empfängern | 406 KB | download pdf-file | |
Röhrenvoltmeter | 152 KB | download pdf-file | |
Industrieempfänger Televox 631 | 318 KB | download pdf-file |
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