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I-177 Tube Tester
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Select or type a tube name to get specific settings for the I-177 Tube Tester.
Sort columns values by clicking their titles - A → Z or Z → A
| Tube | A | B | Filament | L | R | Socket | Press | Notes |
|---|---|---|---|---|---|---|---|---|
| 5AU4 | 5 | 11 | 5 | 40 | 0 | E | RECT. STD. | Plate No. 2. |
| 5AU4 | 4 | 11 | 5 | 40 | 0 | E | RECT. STD. | Plate No. 1. |
| 5AW4 | 5 | 11 | 5 | 40 | 0 | E | RECT. STD. | Plate No. 2. |
| 5AW4 | 4 | 11 | 5 | 40 | 0 | E | RECT. STD. | Plate No. 1. |
| 5AX4 | 5 | 11 | 5 | 40 | 0 | E | RECT. STD. | Plate No. 2. |
| 5AX4 | 4 | 11 | 5 | 40 | 0 | E | RECT. STD. | Plate No. 1. |
| 5AZ4 | 10 | 9 | 5 | 40 | 0 | E | RECT. STD. | Plate No. 2. |
| 5AZ4 | 11 | 9 | 5 | 40 | 0 | E | RECT. STD. | Plate No. 1. |
| 5J6 | 11 | 8 | 5 | 72 | 0 | K | AMPL | Mut.Cond.5000. Triode No.2. |
| 5J6 | 1 | 2 | 5 | 72 | 0 | K | AMPL | Mut.Cond.5000. Triode No.1. |
| 5R4GY | 5 | 11 | 5 | 40 | 0 | E | RECT. STD. | |
| 5R4GY | 4 | 11 | 5 | 40 | 0 | E | RECT. STD. | |
| 5T4 | 4 | 11 | 5 | 40 | 0 | E | RECT. STD. | |
| 5T4 | 5 | 11 | 5 | 40 | 0 | E | RECT. STD. | See note D. |
| 5U4G | 5 | 11 | 5 | 40 | 0 | E | RECT. STD. | See note D. |
| 5U4G | 4 | 11 | 5 | 40 | 0 | E | RECT. STD. | See note D. |
| 5V4 | 5 | 11 | 5 | 40 | 0 | E | RECT. STD. | See note D. |
| 5V4 | 4 | 11 | 5 | 40 | 0 | E | RECT. STD. | See note D. |
| 5V6 | 8 | 5 | 5 | 67 | 25 | E | AMPL | Mut.Cond.3000. |
| 5W4 | 5 | 11 | 5 | 33 | 0 | E | RECT. STD. | See note D. |
| 5W4 | 4 | 11 | 5 | 33 | 0 | E | RECT. STD. | See note D. |
| 5X3 | 3 | 7 | 5 | 26 | 0 | E | RECT. STD. | Plate No. 2. |
| 5X3 | 2 | 7 | 5 | 26 | 0 | E | RECT. STD. | Plate No. 1. |
| 5X4 | 12 | 4 | 5 | 40 | 0 | E | RECT. STD. | See note D. |
| 5X4 | 7 | 9 | 5 | 40 | 0 | E | RECT. STD. | See note D. |
| Important | ||||||||
|---|---|---|---|---|---|---|---|---|
| This I-177 data-base was created using data from I-177 beta 1.08 worksheet, from July 5, 2002. A great compilation by Nolam E. Lee. | ||||||||
| Note A: The plate cap of the tube under test should be connected to the upper left contact of the 6-pin (C) socket. A 12-inch lead with clip and bananna plug is provided for this purpose. | ||||||||
| Note B: Connect the plate cap (nearest the operator) to the upper left contact of the 6-pin (C) socket; use the lead provided. Connect the grid lead to the remaining cap on the tube. | ||||||||
| Note C: Set the MICROMHOS switch at 6000 when testing this section if the tube tester bears either Order No. 27613-Phila-44-52 or 52346-Phila-45-10 on the nomenclature plate. | ||||||||
| Note D: This test is only a partial indication of a good tube. A complete test is only possible when using equipment. | ||||||||
| Note E: Do not tap on this tube when testing for short because damage to the tube may result. | ||||||||
| Note F: The Mutual Conductance values listed are averages for new tubes and only for a guide. |
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Last modified: Jun 5, 2026 20:40
Cape Old Radio - Since Nov, 1996
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