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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
2301 12SR7 A 3 F 2 E -
2302 12SR7# C 3 F 4 E -
2303 12SR7# C 3 F 5 E -
2304 12SW7 A 3 F 2 E -
2305 12SW7# A 3 F 4 E -
2306 12SW7# A 3 F 5 E -
2307 12SX7 A 3 F 1 E -
2308 12SX7 A 6 F 4 E -
2309 12SY7 A 6 F 5 D 2-4
2310 12T10 A 2 F 3 I 2-6
2311 12T10 A 9 F 8 I 2-10
2312 12U7 B 3 F 2 A -
2313 12U7 B 8 F 7 A -
2314 12V6 A 8 F 5 D 2-4
2315 12W6 A 8 F 5 D 2-4
2316 12X4# A 7 F 1 L -
2317 12X4# A 7 F 6 L -
2318 13CM5 A 8 F 5 D 2-4
2319 13CW4 A 8 F 4 J -
2320 13CW9 A 1 F 2 A -
2321 13D1 A 6 G 4 E -
2322 13D1 A 3 G 1 E -
2323 13D2 A 3 E 1 E -
2324 13D2 A 6 E 4 E -
2325 13D3 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
1996 - 2026 © Carlos Eduardo Lazarini da Fonseca