ClinchFX EP+

Various

ClinchFX

The ClinchFX EP+ is is based on the enormously successfulClinchFX EP-PRE. The “front end” is a standard EP-PRE common-source JFET preamplifier which includes the ability to select EP-3 early or late serial number tones. In the EP+ there is a second JFET boost stage, similar tothe EP-PRE circuit, but with reduced output impedance. Regardless of the reduced output impedance, this second stage is an active booststage, not a unity gain buffer.

One advantage of reduced output impedance is that the EP+ can drive longer cable runs without losing high frequencies.

The internal charge-pump voltage doubler power supply allows the EP+ deliver up to 18db of clean boost. The exact amount of boost available depends on how hard you drive the input of the EP+. As with any amplifier circuit, excessive input levels will cause clipping, but when driven to clipping, the EP+ creates a softer type of clipping, unlike many other solid state circuits.

A big plus in using a boost stage instead of a buffer is that the pedal retains the tone enhancing qualities of the already successful EP-PRE.

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