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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
2876 117L7 A 1 J 6 D -
2877 117M7 A 8 J 4 D 2-5
2878 117M7# A 1 J 6 D -
2879 J17N7 A 6 J 4 D 2-5
2880 117N7 A 8 J 12 D -
2881 117P7 A 6 J 4 D 2-5
2882 117P7# A 8 J 12 D -
2883 117Z3# A 6 J 5 L -
2884 117Z4# A 8 J 5 D -
2885 117Z6# A 4 J 3 D -
2886 11726# A 8 J 5 D -
2887 141TH# C 7 F 5 H -
2888 141TH# C 7 F 6 H -
2889 163 A 3 F 2 A 2-9
2890 171DDP A 3 F 2 A 2-1
2891 171DDP# B 3 F 7 A -
2892 171DDP# B 3 F 8 A -
2893 213 A 3 G 2 A 2-8
2894 274B# A 4 D 12 F -
2895 274B# A 6 D 12 F -
2896 401A , A 2 E 1 L 2-6
2897 403B A 2 E 1 L 2-6
2898 408A A 2 E 1 L 2-6
2899 421A A 3 E 1 E -
2900 421A A 6 E 4 E -
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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