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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
2551 19D8 A 3 G 9 A -
2552 19D8 A 3 G 2 A 2-1
2553 19DE7 A 9 G 2 A -
2554 19DE7 A 8 G 7 A -
2555 19EA8 A 8 G 9 A -
2556 19EA8 A 7 G 2 A 2-3
2557 19EZ8 A 1 G 2 A -
2558 19EZ8 A 7 G 12 A -
2559 19EZ8 A 9 G 12 A -
2560 19FL8 A 3 G 2 A 2-1
2561 19FL8# A 3 G 7 A -
2562 19FL8# A 3 C 8 A -
2563 19GK6 A 1 G 2 A 2-8
2564 19GQ7# A 1 G 2 A -
2565 19GQ7# A 7 G 6 A -
2566 19GQ7# A 9 G 8 A -
2567 19HR6 A 7 G 1 L 2-6
2568 19HS6 A 7 G 1 L 2-6
2569 19HV8 A 3 G 1 A -
2570 19HV8 A 8 G 9 A 2-7
2571 19J6 A 7 G 5 L -
2572 19J6 A 7 G 6 L -
2573 19JC6 A 1 G 2 A 2-8
2574 19JN8 A 3 G 1 A -
2575 19JN8 A 8 G 9 A 2-7
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
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