In 1951, founders Gene Shenk and Ollie Summerland introduced Pultec’s passive EQP-1 to the market. Generally, passive EQs require an additional level of 16dB to make up for the loss in gain. The EQP-1 was designed with a tube amplifier to counter the need to apply gain to the signal. The convenience of the internal amplifier also added a subtle character to the sound. The Pultec company closed its doors in the early ‘80s, but many of the original EQP-1 models lived on through the years. In 2000, Steve Jackson began the process of bringing Pultec EQs back. The 10-year process has resulted in the most faithful recreations of the iconic Pultec EQs.