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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
1101 6GW6 A 8 E 5 D 2-4
1102 6GW8 A 2 E 1 A -
1103 6GW8 A 7 E 8 A 2-3
1104 6GX6 A 2 E 1 L 2-6
1105 6GX7 A 1 E 9 A -
1106 6GX7 A 1 E 2 A 2-7
1107 6GY5 A 4 E 5 I 2-3
1108 6GY6 A 2 E 1 L 2-6
1109 6GY8 A 1 E 12 A -
1110 6GY8 A 8 E 3 A -
1111 6QY8 A 7 E 12 A -
1112 6GZ5 A 1 E 2 L 2-6
1113 6H4# A 8 E 4 D -
1114 6H6# A 4 E 3 D -
1115 6H6# A 8 E 5 D -
1116 6HA5 A 2 E 1 L -
1117 6HA6 A 1 E 2 A 2-8
1118 6EA7 A 3 E 11 I -
1119 6HA7 A 4 E 9 I -
1120 6HB5 A 4 E 3 I 2-2
1121 6HB6 A 1 E 2 A 2-6
1122 6HB7 A 3 E 2 A 2-7
1123 6HB7 A 3 E 9 A -
1124 6HC8 A 8 E 1 A -
1125 6HC8 A 2 E 3 A 2-7
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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