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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
1076 6GK7 A 1 E 2 A 2-8
1077 6G-K17 A 3 E 5 E -
1078 6GL7 A 3 E 1 E -
1079 6GL7 A 6 E 4 E -
1080 6GM5 A 7 E 6 A 2-1
1081 6GM6 A 2 E 1 L 2-6
1082 6GM8 A 3 E 2 A -
1083 6GM8 A 8 E 7 A -
1084 6GN6 A 2 E 1 L 2-6
1085 6GN8 A 1 E 2 A -
1086 6GN8 A 6 E 7 A 2-8
1087 6GQ7# A 1 E 2 A -
1088 6GQ7# A 7 E 6 A -
1089 6GQ7# A 9 E 8 A -
1090 6GS8 A 1 E 7 A 2-2
1091 6GT5 A 3 E 2 K 2-1
1092 6GU5 A 2 E 1 L 2-6
1093 6GU7 A 3 E 2 A -
1094 6GU7 A 8 E 7 A -
1095 6GV5 A 4 E 5 I 2-3
1096 6GV7 A 8 E 9 A -
1097 6GV7 A 8 E 7 A 2-2
1098 6GV8 A 3 E 2 A -
1099 6GV8 A 8 E 9 A 2-7
1100 6GW5 A 5 E 6 L -
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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