Check out our online store and become a member to receive our special deals at liveprosound. We carry all major brands of audio and lighting equipment for professional users at incredible prices that are too low to advertise! The fP 3400 is a lightweight and space-saving power amplifier, ideal for use in high quality touring sound systems as well as in demanding permanent installations. Heat and cooling are fundamental problems in extremely high powered amplifiers such as the fP 3400. Gruppen patented a high efficiency amplifier, in fact an evolution of the Class D amplifier.
Gruppen therefore call it Class TD. It attains the same high efficiency as Class D, but avoids its drawbacks. Class D has a power-amplifier topology using Pulse Width Modulation (PWM) to achieve high efficiency, but it needs a recovery filter between the output stage and the loudspeaker. Gruppens Class TD amplifiers do not need this filter and this is one reason why the Lab. Gruppen Class TD obtains the same sonic quality as a traditional Class AB amplifier.Besides the traditionally superb Lab. Gruppen sonic performance, fP3400 offers a full line of important features. The item "Lab Gruppen FP3400 Power Amplifier, Pro Audio Amp for Live/Studio Sound System" is in sale since Thursday, February 20, 2020. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Amplifiers". The seller is "wwwliveprosound_com" and is located in Cornelia, Georgia. This item can be shipped to United States.