Tube Tester EICO 635

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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
1951	12AH8	A	3	F	7	A	-
1952	12AH8	A	3	F	2	A	2-1
1953	12AJ6	A	2	F	1	L	-
1954	12AJ6#	C	2	F	5	L	-
1955	12AJ6#	C	2	F	6	L	-
1956	12AJ7	A	3	F	9	A	-
1957	12AJ7	A	3	F	2	A	2-1
1958	12AL5#	A	5	F	2	L	-
1959	12AL5#	A	1	F	7	L	-
1960	12AL8	B	9	F	8	A	-
1961	12AL8	A	7	F	3	A	2-2
1962	12AL11	A	2	F	3	I	2-7
1963	12AL11	A	9	F	8	I	2-10
1964	12AQ5	A	2	F	1	L	2-6
1965	12AS5	A	1	F	2	L	2-6
1966	12AT6	A	2	F	1	L	-
1967	12AT6#	C	2	F	5	L	-
1968	12AT6#	C	2	F	6	L	-
1969	12AT7	A	3	F	2	A	-
1970	12AT7	A	8	F	7	A	-
1971	12AU5	A	3	F	1	D	2-8
1972	12AU6	A	7	F	1	L	2-6
1973	12AU7	A	3	F	2	A	-
1974	12AU7	A	8	F	7	A	-
1975	12AU8	A	1	F	2	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.