Useful Arts SFP-30 Microphone Preamplifier T Series which is what gives them

which is what gives them the magic

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It creates a second and third voice–like singers in a choir

It even includes features you don’t often find in a low-cost guitar

Useful Arts SFP-30 Microphone Preamplifier T Series which is what gives themThe concept behind the SFP 30 is simple: Take the exact audio and power circuitry from the SFP 60, put a single channel into a tabletop format, and make it less than half the price of the SFP 60. Done. Everything about the SFP 30 signal path is identical to the SFP 60, except that the SFP 30 lacks the DI input. Other than that, you can now get the finest, most flexible tube preamp available with the legendary variable second harmonics from the SFP 60