Headfirst Marshall Origin 20 Mod FX Loop Install











>> YOUR LINK HERE: ___ http://youtube.com/watch?v=nFy98I7BioM

Using one of our Headfirst zero-loss fx loop PCB's, here I re-enable the Origin's FX loop following our mod which disables the stock loop. The mod disables the stock loop because we use the V2 preamp tube in the core circuit for tones, rather than to drive the fx loop. It's a long clip, lot's of detailed instructions! • The results are great, I demo first up with an Eventide H9 in the FX Loop. • Our loop boards, along with a range of other DIY amp PCB supplies, are available at: • http://headfirstamplification.com • 0:00 - Intro • 0:18 - Tones • 4:02 - Install overview • 6:26 - Checkpoint, hard work is done! • 14:28 - Power up • 16:30 - Routing audio In/Out of the Loop PCB • 18:31 - Set loop level • 19:45 - Voltage readings and the Origin 20's power scaling • 26:44 - Close

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