![]() ![]() This is accomplished by inserting them after the distorting preamp and before the power amplifier. This circuit prevents this altering and provides an optimal sound from external devices. The distortion from a preamp alters time-based effects so badly in some cases that they do not sound remotely close to the way they were designed to. This prevents time-based or modulation effects like reverb, delay, or chorus from getting altered in a preamp designed to distort. These devices require small signals, and so the effects loop must condition them to work optimally with the amplifier. The effects loop is a circuit in an amplifier designed to insert external devices like pedals after the preamp but before the power section. Today, you will find one or more effects loops on most amplifiers, but most people do not understand how they work. Effects were slowly becoming “chewed up” by the clipping preamp and their sound took a rather big hit! Slowly, as preamps began to provide break up or distortion, things began to change. ![]() Headroom was accomplished and even sought after to get the true tone of an electric guitar. Most amplifiers in the early days of amplification were clean pedal platform type models without a loop. ![]() In the early days of guitar amplification, it was easy to get a great sound from effects right through the front of an amplifier. ![]()
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