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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
1701 8BU11 A 5 E 6 I -
1702 8BU11 A 11 E 8 I 2-9
1703 8CG7 A 13 E 2 A -
1704 8CG7 A 8 E 7 A -
1705 8CM7 A 3 E 7 A -
1706 8CM7 A 9 E 8 A -
1707 8CN7 A 6 E 7 A -
1708 8CN7# A 3 E 1 A -
1709 8CN7# A 3 E 2 A -
1710 8CS7 A 9 E 3 A -
1711 8CS7 A 8 E 7 A -
1712 8CW5 A 3 F 2 A 2-9
1713 8CX8 A 1 E 2 A -
1714 8CX8 A 6 E 7 A 2-8
1715 8CY7 A 8 E 7 A -
1716 8CY7 A 9 E 3 A -
1717 8D3 A 2 E 1 L 2-7
1718 8D4 A 8 E 11 D 2-4
1719 8D8 A 3 E 9 A 2-1
1720 8DX8 A 3 E 1 A -
1721 8DX8 A 7 E 8 A 2-9
1722 8EB8 A 1 E 2 A -
1723 8EB8 A 6 E 7 A 2-8
1724 8EM5 A 7 E 3 A 2-1
1725 8ET7 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