I'd like to add my first impressions as I picked one of these up last week and gigged it immediately on Saturday. For reference I was using it as a stomp box, into the front of house backline which was a Markbass LM500 and Mark 410, and the DI was taken from the amplifier head, not the Battalion. My only other pedal in the chain was an EHX MicroSynth, placed prior to preamp in chain. I am yet to test the unit as a standalone preamp going direct to the desk. The show I was playing was a main support and I didn't want to monkey around with the backline.
The EQ and general tones of the preamp do exactly what I wanted them to. They didn't add much if any colour while flat, and seemed to boost and cut appropriately. Generally this section of the pedal does exactly what I wanted it to. I found the overdrive exceptionally usable, and while I've barely scratched the surface of this function or its interactions with EQ and other pedals, it took me all of 2 minutes on stage to get a desirable drive sound that sounded great in the mix, and I was super happy with my overall tone for the show. The gate funtion was of no use whatsoever, and I just set it pretty low and forgot it was there.
However, I'm actually wondering if the compressor is entirely useless, or whether my unit might be broken, because the behaviour of this function is entirely unexpected. Turning the function on, even with the knob on the compressor set very low, removed an incredible amount of output from the unit, and squished the hell out of my sound. Anything above 7pm instantly bricked my signal but at an surprisingly low output level. With the preamp turned on full volume it was at least 1/3 lower output than with the function off, whereas most comps I've used make the signal louder overall. Any setting above 9pm almost felt like someone was making a 'compressors kill your dynamics' joke because every semblance of human feeling was just deleted. I turned the compressor off, and instantly I had a nice dynamic tone back. I don't know if the comp works better through the DI, or whether this experience reflects the experience of others but I cannot see myself using this compressor at all because it's almost hilariously bad.
Might be helpful if Mannysilvers or anyone else who has the pedal already would care to chime in and let me know if this is 'expected' behaviour for the comp function, because I am sort of wondering if I might need to take it back to the shop to have the thing looked over.