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TABLE II:     TUBES FOR WHICH CURVES ARE LISTED
                         IN THIS  MANUAL
                                                                                                                                                                                   __________________________________________________________.
Tube Type           Classification                      Equivalents             .
                                                       Class I                  Class II      .

 6AG7                        EL3                    6AK7                    None
 6AH4                        ED3                    None                    None
 6AH6                        EF9                    6485               6AC7   1851
                                                                                 1852    6134
                                                                                 6AJ7
 6AK5                        EF9                 5591 403B              5702WA
                                                       EF95 403A                1132
                                                      PM05  73IA             CK605CX
                                                        5608  6028
                                                   1381HQ  6096
                                                       5654

6AM4                        EC8                     None                     None
6AM8                        EAF8                   None                     None
6AR6                        EL3                 6098    7756               None
6AS7G                    EDD3                     6080                  (?)None
                                                            6082
6BE6                       EK9                 3BE6  12BE6           (?)None
                                                       5750   HK90
                                                      EK90   X107
                                                      HM04  26D6
6BH6                        EF9                      6265                   (?)None
                                                            6661
6BJ6                         EFR9                   6662                       6SD7
6BQ6GT                    EL3           25BQ6GT  6CU6             6AVSGT
6BQ7A                      ECC8              6BZ7   4BQ7            (?)None
6BY4                        EC-Sp                   None                     None
6C4                           EC9                6135    EC90               None
                                                      Z2096
(See 12AU7 curves)

6CB6                          EF9                    3CB6                    (?)None
6CD6GA                     EL3                    None                        None
6CL6                          EL8                6197  6677                 (?)None
6CM6                         EL8                  12CM6                 6AQ5  6005
6CS6                          EH9                    EH90                    (?)None

6DQ5                          EL3                    None                      None
6DQ6-A                       EL3                    None                      None
6J5                             EC3               12J5   L63              6FSG  12SN7
                                                                                       7A4   12SX7
                                                                                     6SN7   14N7
                                                                                       7N7   25SN7
                                                                                       B65   B36
                                                                                      6180   5692

                                                                                            33

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