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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
1351 6KT8 A 6 E 7 A 2-8
1352 6KU8 A 6 E 7 A 2-8
1353 6KU8# B 1 E 2 A -
1354 6KU8# B 1 E 3 A -
1355 6KV6 A 3 E 2 K -
1356 6KV8 A 1 E 2 A -
1357 6KV8 A 6 E 7 A -
1358 6KX8 A 2 E 1 A -
1359 6KX8 A 8 E 1 A -
1360 6KY6 A 1 E 2 A -
1361 6KY8 A 1 E 9 K -
1362 6KY8 A 3 E 2 K 2-7
1363 6KZ8 A 3 E 2 A 2-7
1364 6KZ8 A 8 E 9 A -
1365 6L5 A 8 E 5 D -
1366 6L6 A 8 E 5 D 2-4
1367 6L7 A 8 E 11 D 2-4
1368 6L12 A 3 E 2 A -
1369 6L12 A 8 E 7 A -
1370 6L13 A 3 F 2 A -
1371 6L13 A 8 F 7 A -
1372 6L34 A 2 E 1 L -
1373 6LB6 A 2 E 5 I 2-3
1374 6LB8 A 1 E 2 A -
1375 6LB8 A 6 E 7 A 2-8
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