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TABLE IlI: POWER-HANDLING ABILITY OF TRIODES

     Values of transconductance and plate conductance at approximately
                                      ¾ rated dissipation, unless noted

                                                                                                                  .
 Tube                     gm (approx.)             gp (approx.)       Rated Dissipation (W)
 
 12AX7                      2,600                           25                             1.0
 5751                         2,000                           27                             1.0
 6SL7GT                    2,000                           30                             1.0
 6112                         2,500                           39                             0.55
 5719                         2,500                           40                             0.55

 12AY7                       2,500                          58                              1.5
 6072                          2,800                          58                             1.5
 12BZ7                        7,500                          60                             1.5
 6BY4                         6,500                           65                             1.1
 6679                          8,500                         105                             2.8

 6201                          6,500                          125                             2.5
 6AU8                         6,500                          141                             2.5
 6AM4                      11,000                           142                             2.0
 6BF7                        5,300                           150                             1.0
 6414                       10,000                           150                             2.0

 6135/5814A                 3,500                          177                            2.75
 6C4 - 12AU7                3,500                          177                            2.75
 5670                           6,200                          184                            1.5
 6J6                             6,200                          184                            1.5
 5965                           9,500                          184                            2.75

 5492                           3,000                          185                            1.75
 5844                           6,000                          190                            1.0
 6021                           6,500                          192                            0.7
 6BQ7                          8,500                          200                            2.0
 6U8                             8,500                          203                           2.7

 6J5                             4,500                          220                            2.5
 6829                         10,500                           230                           2.2
 6BZ7                           8,500                          250                           2.0
 6BC8                           8,500                         250                            2.0
 5718                            8,000                         261                            3.3

 6111                            6,000                         266                            1.1
 6AZ8                            5,500                         280                            2.5
 6BH8                           6,000                         280                            2.5
 6386                            6,000                         300                            2.5
 12BH7                         8,000                         340                            3.5

 6463                            6,000                         350                         4.0/7.0
 5842                         28,000 (half)                  568 (half)                    4.2
 5687                         12,500                          613                         4.2/7.5
 6AH4                          8,500                       1,000                            7.5
 5998                         10,000                       4,000                          13.0

 6AS7G                      12,000 (half)               5,500 (half)                 13.0
 6336                         22,000                        3,000                          30
 
 
 
 

                                                                                                                  37.

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