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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
1176 6J10 C(S) 8 E 6 I -
1177 6GL7 A 3 E 1 E -
1178 6GL7 A 6 E 4 E -
1179 6GM5 A 7 E 6 A 2-1
1180 6GM6 A 2 E 1 L 2-6
1181 6GM8 A 3 E 2 A -
1182 6GM8 A 8 E 7 A -
1183 6GN6 A 2 E 1 L 2-6
1184 6GN8 A 1 E 2 A -
1185 6GN8 A 6 E 7 A 2-8
1186 6GQ7# A 1 E 2 A -
1187 6GQ7# A 7 E 6 A -
1188 6GQ7# A 9 E 8 A -
1189 6GS8 A 1 E 7 A 2-2
1190 6GT5 A 3 E 2 K 2-1
1191 6GU5 A 2 E 1 L 2-6
1192 6GU7 A 3 E 2 A -
1193 6GU7 A 8 E 7 A -
1194 6GV5 A 4 E 5 I 2-3
1195 6GV7 A 8 E 9 A -
1196 6GV7 A 8 E 7 A 2-2
1197 6GV8 A 3 E 2 A -
1198 6GV8 A 8 E 9 A 2-7
1199 6GW5 A 5 E 6 L -
1200 6GW6 A 8 E 5 D 2-4
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
1996 - 2026 © Carlos Eduardo Lazarini da Fonseca