- ECH81 Triode Heptode -

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Data Sheets

- ECH81 La Radiotechnique

- ECH81 Philips 1969

- ECH81 Philips 1958

- ECH81/UCH81 RFT

- X719/ECH81 Marconi

- 6AJ8/ECH81 Mazda Belvu

- Frank's Tube Data

- ECH81 Data

International Research & Consulting - JEORA Divison
212 Hartland Hill Rd.
Woodstock, VT 05091 USA

phone: 1-802-457-4345
e-mail: JEORA@GMX.us

© Jürgen Ewert
- 090121 -