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EICO 635 Tube Tester





Select or type a tube name to get specific settings for the Eico 635 Tube Tester.

Sort columns values by clicking their titles - A → Z or Z → A

ID Tube 1 2 3 4 Socket Short Test
2976 5749 A 7 E 1 L 2-6
2977 5750 A 2 E 1 L 2-6
2978 5751 A 3 F 2 A -
2979 5751 A 8 F 7 A -
2980 5755 A 3 E 1 E -
2981 5755 A 6 E 4 E -
2982 5763 A 7 E 8 A 2-6
2983 5814 A 3 F 2 A -
2984 5814 A 8 F 7 A -
2985 5824 A 8 G 5 D 2-4
2986 5838# A 8 E 3 D -
2987 5838# A 8 E 5 D -
2988 5839# A 8 E 3 D -
2989 5839# A 8 E 5 D -
2990 5844 A 7 E 5 L -
2991 5844 A 7 E 6 L -
2992 5845# A 1 D 12 L -
2993 5845# A 5 D 12 L -
2994 5852# A 8 E 3 D -
2995 5852# A 8 E 5 D -
2996 5871 A 8 E 5 D 2-4
2997 5879 A 3 E 1 A 2-7
2998 5881 A 8 E 5 D 2-4
2999 5910 B 6 B 12 M 4-3
3000 5915 A 2 E 1 L 2-6
Important
Note A: Set all switches before inserting the tube in its socket.
Note B: First test for shorts before making quality test.
Note C: If "shorts-grid leakage" indicator glows when tube is inserted in its proper socket do not test for quality. Damage to the circuit of the tube tester may occur or you may damage the tube.
Note D: Tubes listed with a "#" next to it is read on diodes OK scale.

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Last modified: Jun 5, 2026 20:40
Cape Old Radio - Since Nov, 1996
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