It looks like a lot, but actually very manageable. My setup is...:
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Balanced (TRS-XLR) output cables from T5 & T5-12 --> Radial Balanced A/B box --> Taylor Balanced Breakout Box (Signal output split to...)
Balanced out --> Direct to mixer/PA (Acoustic tone)
Tuner (Unbalanced) out --> Boss GT-10 multi-effects board --> DI --> PA (electric tones)
Vocals are Sennheiser e-855 dynamic mic direct to mixer.
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Andy uses a Digitech G3 pedal on his guitar and has a Boss vocal effects pedal for delay/reverb on his vox.
A single 5-outlet power strip sits between us for front line power.
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On solo gigs or when there's no house system, I use my Bose L1 system. when playing alone, I'll use the T1 ToneMatch mini mixer to handle my gear. When Andy & I are together, I sub the T1 with a Mackie mixer. That gets to be a bit spaghetti like, as we'll sometimes also add a percussionist to the mix which requires additional mics and cables...
Here's a shot from one of those shows. In this case, we were pure acoustic, so I went with the 12 fret GC, T5-12, and a Mandolin. No effects pedals, but added a PADI for the Mando...
http://www.twicebakedmusic.com/images/school-1.jpg