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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
3201 7189 A 3 E 2 A 2-9
3202 7189A A 3 E 2 A 2-9
3203 7193 A 8 E 5 D -
3204 7199 A 6 E 7 A 2-3
3205 7199 A 8 E 9 A -
3206 7236 A 3 E 1 E -
3207 7236 A 6 E 4 E -
3208 7244 A 7 E 5 L -
3209 7244 A 7 E 6 L -
3210 7245 A 2 E 1 L -
3211 7247 A 3 F 2 A -
3212 7247 A 8 F 7 A -
3213 7258 A 3 E 2 A -
3214 7258 A 9 E 8 A 2-7
3215 7308 A 3 F 2 A -
3216 7318 A 3 F 2 A -
3217 7318 A 8 F 7 A -
3218 7320 A 3 E 2 A 2-9
3219 7355 A 5 E 6 D 2-8
3220 7360 A 1 E 3 A 2-2
3221 7370 A 3 H 2 A -
3222 7370 A 6 H 7 A -
3223 7408 A 8 E 5 D 2-4
3224 7494 A 3 F 2 A -
3225 7494 A 8 F 7 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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