Base Diagrams

Base Diagram

Corresponding Tube(s)

Notes

base 6CD7, 6AF7, 6M2, 10M2, 12CD7,
64ME, CV394, EM34, EM35, HM34, UM34

Octal Base

base

2E5, 2G5, 6AB5, 6E5, 6E5D, 6E5W, 6EG5, 6G5,
6H5, 6N5, 6T5, 6Z-E1, 12Z-E8, CV239,
CV843, CV1756, CV1906, CV2747, HF3110,
OSW3110, VT215, VT98

Large 6-pin
base
base 6E5GT, 6G5G, 6U5G, 6M1, 1629, 31P51,
CV51, CV1077, EM31, FT4, VI103, VT138,
VTF6, Y61, Y62, Y63, Y64, Y65, Y73
Octal Base
base EM4, EM5 8-pin P-type base
base EM11, UM11 8-pin G8A base
base 6BR5, 6DA5, 6E1p, 6M40, 19BR5,
19DA5, 65ME, CV1352, CV5055,
EM80, EM81, UM80, UM81, Y119
9-pin miniature base
base 4FG6, 6E3p, 6FG6, 6HU6, 6DG7, 12FG6,
CV5434, EM84, EM85, EM87, EM840,
HM84, HM85, PM84, UM84, UM85, UM87
9-pin miniature base
base 6AL7, CV3707 Octal Base
base

6E5MT, 6ME2

7-pin miniature base
base

6E5M, 6ME5, 6ME10

7-pin miniature base
base EFM11, UFM11 8 pin G8A base
base EM71, EM72 Loktal Base
base 41ME, 4678, AD77, AM1, AM2, ED78,
EM1, EM3, ME4, ME4S, ME6, ME6S,
TH1, TK406, TK606, TV4, TV6, U6-CAT
8-pin P-type base
base 6GX8, EAM86 9-pin miniature base
base UM4, UM35 Octal Base
base 1M1, 1M3, 1N3, CV2980, DM70, DM71, Y25 8-pin sub-miniature base
base EMM801 9-pin miniature base
base EMM803 9-pin miniature base
base 6AD6, 6AF6 Octal Base
base EFM1 8 pin G8A base
  6977, DM160 4 pin sub-miniature base (proprietary)
base DM21 Octal Base
base EM83, UM83 9-pin miniature base
base EM800 9-pin miniature base
base 6S5 Octal Base
base 6G-E12, 6G-E12A Octal Base
base 6X6 Octal Base
base 6E5S, 6E5c Octal Base
base R2164, 6355 7-pin miniature base