I agree with A2D. The quality jump I got when I bought the TD-100 was huge. It's the difference between plugging a guitar into a power amp and plugging it into a preamp and then powering it. The TD-100 is cool because the variable impedance acts like a tone knob bringing out the shimmer on guitar tracks or the low growl of bass tracks. I just bought the Millenia TD-1 ($1500 glorified DI box) so I'm selling my TD-100. Holla at me if you want it.
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