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Mine arrived, but is being exchanged, due to a packaging issue that was not a manufacturing issue nor shipping related. It was a DEMO unit and was a customer generated situation.Any updates?
I had no experience with the Pultec trick before the Zio, and after spending more time with this pedal (which I do love and am keeping) my suspicions about a "trick" that involves a significant mid scoop are proving true to my ear. The scoop function can get me lost in a mix very easily. It works well when the mix is sparse and the guitars are articulate and in their own lanes, but otherwise, in a rock band context (at least for me), my bass comes through better with the scoop toggle off.
Thanks for the update, Iomo! How do you find the unit generally with lack of mid control? That's my biggest fear about this unit - also, how much colouration does it provide? Would it enable me to move on my JPTR FX Jive?
Thanks for the update, Iomo! How do you find the unit generally with lack of mid control? That's my biggest fear about this unit - also, how much colouration does it provide? Would it enable me to move on my JPTR FX Jive?
i just tested my ZIO bass with my UA1176 and i love it.
View attachment 5327462
both sound great on their own but together, even better.
Thanks for the update, Iomo! How do you find the unit generally with lack of mid control? That's my biggest fear about this unit - also, how much colouration does it provide? Would it enable me to move on my JPTR FX Jive?

Cheers ZIO Bass Preamp support group...
I sat with it and my hooptie P Bass, with an old Rio Grande Muy Grande, Swamp Ash/Maple .110 - .050 DR DDT's in standard tuning. Laney Digbeth DB500H & SWR Henry the 8 X 8 with transparent compression upfront. No other EFX.
I dig it...grit ON only slightly north of factory off setting. Bass @ 11:30, Treble @ 11:00 and Focus @ 1:30 with or without the scoop sounds great.
There is no coloration really...it adds body and presence to your sound. In my mind kinda like an original 18v Xotic Tri-logic, (without the mid control). But the HPF is super nice. The note attack is very tight with the ZIO...it punches!
If you are looking for a "secret sound sauce" preamp, to do dramatically different tone, it's not your bag baby. But, if tightening, expanding and smoothing your tone a little with a bit of 800 wet sandpaper then the...
ZIO is your bag, baby!
View attachment 5370809
Sweeeet!
Sell em on TB like the rest of us…..then buy more!This pedal is dangerous!
Really dangerous!
Got mine a few days ago (Germany).
Normally I use a lot of overdrive/distortion and other effects in my musical projects.
The Zio brought back the love for clean tones.
This preamp sounds so good!
What shall I do now with my tons of effects?
That's not fair![]()
That's interesting. Could you elaborate a bit more about what didn't work well with the VTBass and the Zio combined? Also is the VTBass placed before or after the Zio?I got my ZIO pedal today and am trying to integrate it into each of my 2 boards.
Both boards have the Tech21 VTBass as their basic sound in a clean/FatTube-like setting.
That didn't work at all at first.
But if you play the ZIO alone (with bass, of course) it sounds great in the mix. Even the Scoop switch makes some sense (especially with a mid forward-P sound).
The Grit switch makes the whole thing a little thicker: more low mids, less highs, even if it doesn't distort.
Ah ok. Interesting. So did it ened up sounding muddy or maybe just "too eqed"? I know most of the ampeg eq circuits can also do some quite extreme boost and cut, so it might be overkill to combine them, or the Zio settings might end up being quite subtle to work appropriately with it (which is not necessarily a bad thing). I was just curious if there was a more "broken" type misbehavior, as the Zio designer lolI am a diehard VT fan since its release many years ago. I tried to replace it VERY often with "flavour of the month" pedals, but I keep coming back to it.
I had the ZIO as last pedal.
Simply put: too much of a good thing.
The ZIO might be starting its own new pedalboard.