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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
1451 6Q7# C 8 E 4 D -
1452 6Q7# C 8 E 5 D -
1453 6Q11 A 3 E 11 I -
1454 6Q11 A 4 E 9 I -
1455 6Q11 A 6 E 7 I -
1456 6R3# A 11 E 9 A -
1457 6R4 A 3 E 1 A -
1458 6R6 A 8 E 11 D 2-3
1459 6R7 A 8 E 11 D -
1460 6R7# C 8 E 4 D -
1461 6R7# C 8 E 5 D -
1462 6R8 A 7 E 8 A -
1463 6R8# A 7 E 1 A -
1464 6R8# A 7 E 6 A -
1465 6R8# A 3 E 2 A -
1466 6R-HH2 A 3 E 2 A -
1467 6R-HH2 A 8 E 7 A -
1468 6R-HH8 A 3 E 2 A -
1469 6R-HH8 A 8 E 7 A -
1470 6R-K19# A 11 E 9 A -
1471 6R-P22 A 1 E 2 A 2-3
1472 6S2# A 6 E 11 A -
1473 6S4 A 2 E 3 A -
1474 6S7 A 8 E 11 D 2-4
1475 6S8 A 2 E 11 E -
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