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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
151 3AT2# B(S) 11 C 12 I -
152 3AU6 A 7 C 1 L 2-6
153 3AV6 A 2 C 1 L -
154 3AV6# C 2 C 5 L -
155 3AV6# C 2 C 6 L -
156 3AW2# B(S) 11 C 12 I -
157 3AW3# B(S) 11 C 12 D -
158 3B2# C(S) 11 C 12 D -
159 3B5 B 5 C 12 D 4-4
160 3B7 A 3 C 12 H -
161 3B7 A 6 C 12 H -
162 3BA6 A 7 C 1 L 2-6
163 3BC5 A 7 C 1 L 2-6
164 3BE6 A 2 C 1 L 2-6
165 3BH2# B(S) 11 C 12 O -
166 3BL2# B(S) 11 C 12 I -
167 3BM2# A(S) 11 C 12 I -
168 3BN2# B(S) 11 C 12 I -
169 3BN4 A 1 C 2 L -
170 3BN6 B(S) 1 C 5 L 2-6
171 3BU6 A 2 C 1 L -
172 3BU6# C 2 C 5 L -
173 3BU6# C 2 C 6 L -
174 3BU8 A 1 C 7 A 2-2
175 3BX6 A 1 C 2 A 2-8
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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