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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
1301 6JN8 A 8 E 9 A 2-7
1302 6JS6 A 2 E 5 I 2-3
1303 6JT6 A 3 E 2 K 2-7
1304 6JT8 A 1 E 2 A -
1305 6JT8 A 6 E 7 A 2-8
1306 6JU6 A 3 E 2 K 2-1
1307 6JU8# A 2 E 1 A -
1308 6JU8# A 3 E 2 A -
1309 6JU8# A 8 E 7 A -
1310 6JU8# A 9 E 8 A -
1311 6JV8 A 1 E 2 A -
1312 6JV8 A 6 E 7 A 2-8
1313 6JW8 A 8 E 9 A -
1314 6JW8 A 7 E 2 A 2-3
1315 6JX8 A 3 E 9 A -
1316 6JX8 A 3 E 2 A 2-7
1317 6JZ6 A 2 E 5 I 2- 3
1318 6JZ8 A 6 E 9 I 2-8
1319 6JZ8 A 11 E 10 I -
1320 6K5 A 8 E 11 D -
1321 6K6 A 8 E 5 D 2-4
1322 6K7 A 8 E 11 D 2-4
1323 6K8 A 8 E 5 D 2-4
1324 6K11 A 3 E 11 I -
1325 6K11 A 6 E 7 I -
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