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Vacuum Tube Products and Price List.
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TUBE SUBSTITUTION LIST
3-500Z - 3Z4


* These are parallel filament circuits.
# In series circuits, this tube doesn't need any form of regulated warm up time.
TO
REPLACE
USE
3-500Z3-500ZG, 3-500ZC
3-500C3-500Z, 3-500ZG
3-500ZG3-500Z, 3-500ZC
3A2
3A33A3A, 3A3B, 3AW3, 3CA3, 3CU3, 3CV3, 3CZ3, 3DB3
3A3A3A3, 3A3B, 3A3C, 3AW3, 3CA3, 3CU3, 3CV3, 3CZ3, 3DB3, 3DJ3
3A3B3A3A, 3A3C, 3CV3, 3DB3, 3DJ3
3A3C
3A4
3A5
3A8G3A8GT
3A8GT3A8G
3AF4A3AF4B,
3DZ4 { This might not work in some circuits. }
3AF4B 3DZ4 { This might not work in some circuits. }
3AJ8
3AL5
3AT23AT2A, 3BL2, 3BM2, 3BN2
3AT2A3AT2, 3AT2B
3AT2B
3AU63BA6,
3BC5 { This might not work in some circuits. }
3BC6 { This might not work in some circuits. }
3CE5 { This might not work in some circuits. }
3CF6 { This might not work in some circuits. }
3AV6
3AW23AW2A
3AW2A3AW2
3AW33A3, 3A3A, 3A3B, 3CA3, 3CU3, 3CV3, 3CZ3, 3DB3, 3DJ3
3B23A3. 3A3A, 3AW3, 3CV3, 3CZ3, 3DB3
3B4
3B53B5GT, 3C5GT, 3Q5, 3Q5G, 3Q5GT, 3Q5GT/G
3B5GT3B5, 3C5GT, 3Q5, 3Q5G, 3Q5GT, 3Q5GT/G
3B7
3B28CV1835, DCX4/1000
3BA63AU6,
3BZ6 { This might not work in some circuits. }
3BC53CE5,
3AU6 { This might not work in some circuits. }
3CB6 { This might not work in some circuits. }
3CF6 { This might not work in some circuits. }
3DK6 { This might not work in some circuits. }
3BE63BY6, 3CS6
3BF2
3BH2
3BL23AT2, 3BL2A, 3BM2, 3BN2
3BL2A3BL2
3BM23AT2, 3BL2, 3BM2A, 3BN2
3BM2A3BM2
3BN23AT2, 3BL2, 3BM2
3BN2A3AT2, 3AT2A, 3AT2B
3BN43BN4A
3BN4A3BN4
3BN6
3BS23BS2A, 3BW2
3BS2A3BS2, 3BW2
3BU83BU8A, 3GS8, 3HS8, 3KF8
3BU8A3BU8, 3GS8, 3HS8, 3KF8
3BW2
3BX63BY7
3BY63BE6, 3CS6
3BY73BX6
3BZ6 3BA6 { This might not work in some circuits. }
3CB6 { This might not work in some circuits. }
3CE6 { This might not work in some circuits. }
3CF6 { This might not work in some circuits. }
3DK6 { This might not work in some circuits. }
3C2
3C43E5, 3V4*
3C5GT3B5, 3B5GT, 3Q5, 3Q5G, 3Q5GT, 3Q5GT/G
3C6XXB
3C45BT79, CV372, CV6007, FX227, GL3C45, XH3-045
3CA3
3CB63AU6 { This might not work in some circuits. }
3BC5 { This might not work in some circuits. }
3BZ6 { This might not work in some circuits. }
3CF6, 3DK6,
3EC5 { This might not work in some circuits. }
3CE5 3AU6 { This might not work in some circuits. }
3BC5
3BZ6 { This might not work in some circuits. }
3CB6 { This might not work in some circuits. }
3CF6 { This might not work in some circuits. }
3DK6 { This might not work in some circuits. }
3CF6 3AU6 { This might not work in some circuits. }
3BC5 { This might not work in some circuits. }
3BZ6 { This might not work in some circuits. }
3CB6
3CE5 { This might not work in some circuits. }
3DK6
3CN33CN3A, 3CN3B
3CN3A3CN3, 3CN3B
3CN3B
3CS63BE6, 3BY6
3CU33A3C, 3AW3, 3CU3A,3CV3, 3DB3
3CU3A3A3C, 3CU3, 3CV3, 3DB3
3CV33CU3, 3CU3A, 3CZ3, 3DB3, 3DJ3
3CX33DF3
3CY53EA5, 3EV5
3CZ3
3D63LE4*, 3LF4*
3DA3
3DB33A3B, 3DJ3
3DC3
3DF3
3DG4Z2669
3DJ33DB3
3DK6 3BC5 { This might not work in some circuits. }
3BZ6 { This might not work in some circuits. }
3CB6
3CE5 { This might not work in some circuits. }
3CF6
3DT63DT6A
3DT6A3DT6
3DX4
3DY43DY4A
3DY4A3DY4
3DZ4 3AF4B{ This might not work in some circuits. }
3E53C4, 3V4*
3E6
3EA53EV5
3EH73EJ7
3HM6 { This might not work in some circuits. }
3HT6 { This might not work in some circuits. }
3JC6 { This might not work in some circuits. }
3JC6A { This might not work in some circuits. }
3JD6 { This might not work in some circuits. }
3EJ73EH7
3HM6 { This might not work in some circuits. }
3HT6 { This might not work in some circuits. }
3JC6 { This might not work in some circuits. }
3JC6A { This might not work in some circuits. }
3JD6 { This might not work in some circuits. }
3ER53FQ5, 3FQ5A, 3FY5
3ES5
3EV53EA5
3FH53ES5, 3FQ5, 3FQ5A, 3GK5
3FQ53ES5, 3FQ5A, 3GK5
3FQ5A3FQ5, 3GK5
3FS53GU5
3FY53ER5
3GK53FQ5, 3FQ5A
3GS83BU8, 3BU8A, 3HS8, 3KF8
3GU53FS5
3GW5
3HA53HK5, 3HM5, 3HQ5
3HK53HA5, 3HM5, 3HQ5
3HM53HA5, 3HK5, 3HQ5
3HM63HT6, 3JC6, 3JC6A, 3JD6
3HQ53HA5, 3HK5, 3HM5
3HS83BU8, 3BU8A, 3GS8, 3KF8
3HT63HM6, 3JC6, 3JC6A, 3JD6
3JC63HM6, 3HT6, 3JC6A, 3JD6
3JC6A3HM6, 3HT6, 3JC6, 3JD6
3JD63HM6, 3HT6, 3JC6, 3JC6A
3KF83BU8, 3BU8A, 3GS8, 3HS8
3KT6
3LE43D6*
3LF4 { This might not work in some circuits. }
3LF43D6*
3LE4 { This might not work in some circuits. }
3Q4 3S4 { This might not work in some circuits. }
3s4sf* { This might not work in some circuits. }
3W4* { This might not work in some circuits. }
3z4* { This might not work in some circuits. }
3Q53Q5G, 3Q5GT, 3Q5GT/G, 3B5, 3B5GT, 3C5GT
3Q5G3Q5, 3Q5GT, 3Q5GT/G, 3B5, 3B5GT, 3C5GT
3Q5GT3Q5G, 3Q5, 3Q5GT/G, 3B5, 3B5GT, 3C5GT
3Q5GT/G3Q5G, 3Q5GT, 3Q5, 3B5, 3B5GT, 3C5GT
3S4 3Q4 { This might not work in some circuits. }
3SRSF*, 3W4*, 3Z4*
3S4SF 3Q4* { This might not work in some circuits. }
3S4*, 3W4, 3Z4
3V43C4*, 3E5*
3W43S4*, 3S4SF, 3Q4* { This might not work in some circuits. }
3Z4
3Z43S4*, 3S4SF, 3Q4* { This might not work in some circuits. }
3W4
3Z4 3Q4* { This might not work in some circuits. }
3S4*, 3S4SF, 3W4
AIR CASTLE WOOD RADIO mod 629 made 1936 ______________________________________________________________________________________________

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