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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
3151 6829 A 8 F 7 A -
3152 6870 A 1 F 2 A 2-8
3153 6887# A 5 E 2 L -
3154 8887# A 1 E 7 L -
3155 6893 A 1 E 5 D 2-2
3156 6913 A 3 F 2 A -
3157 6913 A 8 F 7 A -
3158 6922 A 3 E 2 A -
3159 6922 A 8 E 7 A -
3160 6927 A 7 E 5 L -
3161 6927 A 7 E 6 L -
3162 6939 A 2 F 3 A 2-7
3163 6939 A 2 F 1 A -
3164 6955 A 3 F 2 A -
3165 6955 A 8 F 7 A -
3166 6968 A 2 E 1 L 2-6
3167 6973 A 7 E 3 A 2-1
3168 7000 A 8 E 11 D 2-4
3169 7001 A 2 E 1 L 2-6
3170 7025 A 3 F 2 A -
3171 7025 A 8 F 7 A -
3172 7025A A 3 F 2 A -
3173 7025A A 8 F 7 A -
3174 7027 A 8 E 6 D 2-1
3175 7027A A 8 E 6 D 2-1
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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