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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
3294 9006# A 2 E 1 L -
3293 9003 A 2 E 1 L 2-6
3292 9002 A 2 E 6 L -
3291 9001 A 2 E 1 L 2-6
3290 8417 A 8 E 5 D -
3289 8298 A 6 E 5 D 2-3
3288 8233 A 7 E 8 O 2-2
3287 8176# A 11 F 9 A -
3286 8156 A 2 F 10 I 2-11
3285 8113 A 2 E 1 L 2-6
3284 8106 A 6 F 7 A 2-8
3283 8056 A 4 E 8 J -
3282 8016# B(S) 11 B 12 D -
3281 7984 A 9 F 10 I 2-11
3280 7895 A 8 E 4 J -
3279 7892 A 6 F 7 A -
3278 7892 A 3 F 2 A -
3277 7868 A 3 E 2 K 2-1
3276 7867 A 3 E 5 D 2-8
3275 7802 A 6 E 4 E -
3274 7802 A 3 E 1 E -
3273 7754 A 7 E 6 A 2-1
3272 7738 A 5 E 6 L -
3271 7734 A 7 E 8 A 2-1
3270 7734 A 2 E 3 A -
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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