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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
3001 5920 A 7 E 5 L -
3002 5920 A 7 E 6 L -
3003 5929 A 7 E 5 L -
3004 5929 A 7 E 6 L -
3005 5931# B 4 D 12 F -
3006 5931# B 6 D 12 F -
3007 5932 A 8 E 5 D 2-4
3008 5961 A 6 E 5 D 2-4
3009 5963 A 3 F 2 A -
3010 5963 A 8 F 7 A -
3011 5964 A 7 E 5 L -
3012 5964 A 7 E 6 L -
3013 5965 A 3 F 2 A -
3014 5965 A 8 F 7 A -
3015 5993# A 7 E 1 L -
3016 5993# A 7 E 6 L -
3017 5998 A 3 E 1 E -
3018 5998 A 6 E 4 E -
3019 6000 A 3 G 1 D 2-8
3020 6004# B 4 D 12 F -
3021 6004# B 6 D 12 F -
3022 6005 A 2 E 1 L 2-6
3023 6006 A 3 E 4 L 2-6
3024 6028 A 2 E 1 L 2-6
3025 6042 A 3 E 1 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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