
Mr. Willy
Well-known member
I bought these while back from a forum member. I’m finally going to get around to installing them in a 2x12 today. I’ve done a bit of digging. Based on the chart below, even though the “KP19” that these are aren’t on the list, I think they are from 1981.
Celestion Cones
Model Codes Date Ohms Cones Year
G12-65 T3053 KL13 8 1777 1978
G12-65 T3054 KL30 16 1777 1978
G12-65 T3053 LM29 8 1777 1979
G12-65 T3120 DM17 16 1777 1979
G12-65 T3120 DM20 16 1777 1979
G12-65 T3120 GM13 16 1777 1979
G12-65 T3120 JM11 16 1777 1979
G12-65 T3120 LM12 16 1777 1979
G12-65 T3120 LM13 16 1777 1979
G12-65 T3120 GM2 16 1777 1979
G12-65 T3054 MN10 16 1777 1980
G12-65 T3053 KP20 8 1777 1981
G12-65 T3054 AP6 16 1777 1981
G12-65 T3054 HP20 16 1777 1981
G12-65 T3054 JP18 16 1777 1981
G12-65 T3054 LP20 16 1777 1981
G12-65 T3054 KP21 16 1777 1981
G12-65 T3063 LP16 16 3609 1981
G12-65 T3101 JP15 16 444 1981
G12-65 T3053 LQ15 8 1777 1982
G12-65 T3054 HQ24 16 1777 1982
G12-65 T3054 KQ26 16 1777 1982
G12-65 T3053 DR20 8 1777 1983
G12-65 T3054 BR14 16 1777 1983
G12-65 T3054 CR14 16 1777 1983
G12-65 T3101 BR10 16 444 1983
G12-65 T3053 28LW 8 18 1777 2011
Celestion Cones
Model Codes Date Ohms Cones Year
G12-65 T3053 KL13 8 1777 1978
G12-65 T3054 KL30 16 1777 1978
G12-65 T3053 LM29 8 1777 1979
G12-65 T3120 DM17 16 1777 1979
G12-65 T3120 DM20 16 1777 1979
G12-65 T3120 GM13 16 1777 1979
G12-65 T3120 JM11 16 1777 1979
G12-65 T3120 LM12 16 1777 1979
G12-65 T3120 LM13 16 1777 1979
G12-65 T3120 GM2 16 1777 1979
G12-65 T3054 MN10 16 1777 1980
G12-65 T3053 KP20 8 1777 1981
G12-65 T3054 AP6 16 1777 1981
G12-65 T3054 HP20 16 1777 1981
G12-65 T3054 JP18 16 1777 1981
G12-65 T3054 LP20 16 1777 1981
G12-65 T3054 KP21 16 1777 1981
G12-65 T3063 LP16 16 3609 1981
G12-65 T3101 JP15 16 444 1981
G12-65 T3053 LQ15 8 1777 1982
G12-65 T3054 HQ24 16 1777 1982
G12-65 T3054 KQ26 16 1777 1982
G12-65 T3053 DR20 8 1777 1983
G12-65 T3054 BR14 16 1777 1983
G12-65 T3054 CR14 16 1777 1983
G12-65 T3101 BR10 16 444 1983
G12-65 T3053 28LW 8 18 1777 2011