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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
1601 7B7 B 7 E 6 H 2-3
1602 7B8 A 7 E 4 H 2-3
1603 7C4# B 7 E 4 H -
1604 7C5 A 7 E 6 H 2-3
1605 7C6 A 7 E 3 H -
1606 7C6# C 7 E 5 H -
1607 7C6# C 7 E 6 H -
1608 7C7 A 7 E 6 H 2-3
1609 7D7 A 7 E 6 H 2-5
1610 7D9 A 2 E 1 L 2-7
1611 7DE7 A 3 E 2 A 2-8
1612 7DJ8 A 3 E 2 A -
1613 7DJ8 A 8 E 7 A -
1614 7E6 A 7 E 3 H -
1615 7E6# C 7 E 5 H -
1616 7E6# C 7 E 6 H -
1617 7E7 A 7 E 6 H 2-5
1618 7E7# C 7 E 3 H -
1619 7E7# C 7 E 4 H -
1620 7EK7 A 1 E 2 A -
1621 7EK7 A 7 E 6 A -
1622 7ES8 A 3 E 2 A -
1623 7ES8 A 8 E 7 A -
1624 7EY6 A 8 E 5 D 2-4
1625 7F7 A 2 E 4 H -
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