Скачать или смотреть Designing Overdrive Pedals - Understanding Op-amp Gain in the MXR Micro Amp and ProCo RAT

In a guitar pedal, an op-amp is one type of amplification that can be used to produce gain, which determines how much the signal is amplified or boosted. This gain is not constant across all frequencies; the open-loop gain is highest at low frequencies and decreases as frequency increases, a behavior known as its frequency response. The specific gain and its roll-off rate (how quickly it decreases) are critical in shaping the pedal's tone, for example, causing the clipping and distortion that characterize overdrive pedals.

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MXR Micro Amp Analysis:
https://www.electrosmash.com/mxr-micr...

ProCo RAT Analysis:
https://www.electrosmash.com/proco-rat

MXR Micro Amp
https://www.jimdunlop.com/mxr-micro-amp/

ProCo RAT
https://actentertainment.com/rat-2-di...

00:00 Introduction
00:08 Schematic Review
00:37 Micro Amp Signal Analysis and Gain
06:33 Reactance and Frequency Response
10:31 Measuring Reactance
12:26 Vectors, Impedance, Resistance, and Capacitance
16:08 RAT Signal Analysis and Gain