For Artists and players looking for classic Blues and rock guitar tones, the Park P45 is a fantastic choice. This classic Jim Marshall circuit built off of the original Fender Tweed Bassman has been heard on many of the most influential recordings from the mid- sixties up to the present day. A pair of KT66 power tubes in the circuit’s output section deliver a ‘sound that is balanced, dynamic, and complex in its response to the player’. This tube rectified amp now comes standard with PPIMV (Post Phase Inverter Master Volume) which allows the player to overdrive the amp at lower volume levels.