< Previous - Table of Contents - Next >
TABLE I:     TUBES WITH ELECTRICAL CHARACTERISTICS
                          SIMILAR TO MANUAL CURVES
                                                                                                          .
   Tube Type         Classification     RETMA 'Base     "Manual" Equivalent.

    2C51                     ECC8                   8CJ                    5670 (I-P)
    6AB4                     EC9                     5CE                   6201 (II-P)
    6AC7/1852             EF3                     8N                      6134 (I-P)
    6AG7                     EL3                     8Y                      6AG7
    6AH4GT                 ED3                    8EL                    6AH4GT

    6AH6                      EF9                    7BK                    6AH6
    6AJ7                      EF3                     8N                      6134 (I-P)
    6AK5                     EF9                     7BD                    6AK5
    6AK7                     EL3                     8Y                      6AG7 (I)
    6AL6                      EL3                     6AM                   6L6 (II)

    6AM4                     EC8                     9BX                    6AM4
    6AM8/5AM8           EAF8                   9CY                    6AM8
    6AQ5/19AQ5          EL9                     7BZ                     6005 (I-P)
    6AR6                     EL3                     6BQ                    6AR6
    6AS7G                   EDD3                  8BD                    6AS7G

    6AU6                     EF9                     7BK                    6136 (-P)
    6AV5GT                EL3                      6CK                    6BQ6 (II)
    6BA6/12BA6          EFR9                   7BK                    5749 (I-P)
    6BD6/12BD6          EFR9                   7BK                    6137 (II-P)
    6BE6/3BE6/12BE6  EK9                     7CH                    6BE6

    6BH6                      EF9                    7CM                    6BH6
    6BJ6                      EFR9                   7CM                   6BJ6
    6BQ6GT/25BQ6GT  EL3                     6AM                   6BQ6
    6BQ7A/6BQ7          ECC8                   9AJ                    6BQ7A
    6BY4                      EC-Sp                  6BY4                  6BY4

    6BZ7                     ECC8                     9AJ                    6BQ7A (I)
    6C4                       EC9                       6BG                   6135 (I -F-P)
    6CB6/3CB6            EF9                       7CM                   6CB6
    6CD6GA                EL3                       5BT                    6CD6GA
    6CL6                     EL8                       9BV                    6CL6

    6CM6/12CM6          EL8                      9CK                    6CM6
    6CS6                      EH9                     7CH                    6CS6
    6CU6                      EL3                     6AM                    6BQ6GT (I)
    6DQ5                      EL3                     8JC                     6DQ5
    6DQ6-A                   EL3                     6AM                    6DQ6A

    6F8G                      ECC3                    8G                      6J5 (II)
    6J5/12J5                 EC3                      6Q                      6J5
    6J6/9J6/19J6           ECC9                    7BF                    6J6
    6K7                        EFR3                    7R                      6137 (II-P)
    6L6                        EL3                       7AC                    6L6

    6SD7                     EFR3                     8N                      6BJ6 (II)
    6SJ7                     EF3                        8N                      5693 (I-P)
    6SK7/12SK7          EFR3                     8N                      6137 (I-P)

 
                                                                                                27.

< Previous - Table of Contents - Next >

Copyright 2008 for Phyllis K. Pullen, M.D.,
by Robert J. Legg