The Tone Freak Bedroom Guitar Player - Amp Slaving and the Signal Chain The effects loop of your amplifier is an input/output placed between your preamp and your power amp that permits
Signal Chain
Pre or post FX: which effects belong before the amp and which in the FX loop? - BluGuitar
Send & Return FX Loop Selector
The Ultimate Guide to Guitar Effects Pedal Order and Signal Chain - BOSS Articles
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