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Overdrive, Not Distortion pedals

Surprisingly enough to me, the Barber Direct Drive is my current favorite with bass.
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Favorites of this day are Wampler Pantheon and Friedman Motor City. Confession, I don't care if it says Bass on the box. Most of my favorite pedals are guitar pedals that work on bass.
Wampler's Brad Paisley OD is great if you don't get spooked by it saying Brad Paisley.
I agree, if you limit yourself to just pedals marketed to bass you miss out. One of my favorites is the Keeley Super Phat Mod. It handles bass great and can go from very subtle OD to almost fuzz. And they are easy to be had used for cheap.
 
I've used a few different ones that I like. For a while I was using a Pork Loin for a little tube like dirt. After that I settled on TS clones. The one I am using now is a custom TS clone from Dunwich Amps. I put it into a blend pedal I had Broughton make for me.
I liked the Fuzzrocious Demon as well.
 
I agree, if you limit yourself to just pedals marketed to bass you miss out. One of my favorites is the Keeley Super Phat Mod. It handles bass great and can go from very subtle OD to almost fuzz. And they are easy to be had used for cheap.

Great to see another Keeley Super Phat Mod user! Lately I've been using it more than my Pork Loin, it's extremely versatile and I love how it stacks with other dirt pedals.
 
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Just to clarify, Overdrive is a type of distortion. I have a number of overdrive favs, but it really depends on what I'm looking to achieve. Some OD's, it's trying to emulate the sound of a specific valve amp "hitting the rails". These are more of an analogue amp sim. The Catalinbread SFT is a great example of this. The Joyo American Sound is another great example. Then there's pedals like the Fairfield Circuitry Barbershop, which is a very transparent, but amp like overdrive sound. It doesn't mimic any specific amp, it just introduces a nice light overdrive. As over drives go, my goto is the "tube overdrive" model on my Source Audio Aftershock. It's the most transparent, clearest and touch sensitive OD that I've yet tried. The DAM Ezekiel Bass fuzz, is a bass orientated over drive based fuzz. It's capable of quite light settings although it's nature is more on the heavier side of Fuzz.

Fairfield makes a micro version of the Barbershop, the Modele B. It has no switch (so it's always on). It adds a light breakup to your signal. I use it with my Mesa Subway 800, which like most class D amps is very neutral. I wanted it to emulate the sound of my Mesa Walkabout with its tube preamp. It does a great job of adding tubelike crunch without dirtying the signal. Highly recommended for lighter overdrive to achieve a timeline sound.
 
Fairfield makes a micro version of the Barbershop, the Modele B. It has no switch (so it's always on). It adds a light breakup to your signal. I use it with my Mesa Subway 800, which like most class D amps is very neutral. I wanted it to emulate the sound of my Mesa Walkabout with its tube preamp. It does a great job of adding tubelike crunch without dirtying the signal. Highly recommended for lighter overdrive to achieve a timeline sound.
 
For me, looking for a subtle just-over-the-edge breakup, I find the EHX Hot Wax meets that need and then some. It's a stack of EHX's Crayon and Hot Tubes (Hot Wax - get it?), with the more full-range, modern Crayon feeding the warmer Hot Tubes.

Used independently, each side produces a different flavor of breakup, and they can definitely do subtle "drive". Stacked, they'll push you into harder mid-90s bass grind.

I will echo some other answers, though, in cautioning that on bass, there's less room between what you would identify as "drive" versus "distortion" than on guitar. Guitar has more significant midrange and presence frequencies and less low end, and when you look at how those frequencies are clipped by various circuits, you can see a more gradual onset of clipping in higher frequencies as gain increases, where the more present midrange clips before the low end (in fact, many classes of overdrive pedal, like treble boots and the classic Tube Screamer, are designed to minimize their effect on the low end).

Bass, while present through the full frequency spectrum, is dominated by the low fundamental frequency. As you push that to the gain ceiling, there's much less room between the less present midrange and treble frequencies and the large low-frequency fundamental waveform. Once you're clipping what would be the fundamental waveform, you're into fuzz territory, and there's not as much between clean and fuzz, and what's there sounds much more subtle.
 
... (in fact, many classes of overdrive pedal, like treble boots and the classic Tube Screamer, are designed to minimize their effect on the low end).

I would phrase that:
"many classes of overdrive pedal, like treble boosts and the classic Tube Screamer, are designed to minimize the low end".

But also, "treble boots" sounds like some kinda platform sole ... :D
 
Another vague custerfluck of a thread with everything under the sun being able to be thrown on to the dogpile...
I'm game! OP did ask what our favourites were, no matter if you've tried 2 or 200 "overdrive-not-distortion" pedals, so here's mine:

Fairfield Barbershop — arguably a one-trick pony, but it turns that trick with aplomb.

Dr Scientist Elements — Super-versatile great-sounding pedal that can give you a broad range of overdriven to distorted sounds; yet so overlooked...



Awesome! Missed this during my semi-regular TB hiatus. Might go bump it, but somebody already suggested deep-frying the Twinkie...
Too bad Bingo Twinkie never released the Sauce-O-Lido Labido Snausajus — I heard it was just a clone of the Cate-Lynn Brandschitt Sabradoh Problemo OhSoPickOhSoso...


I had and sold my Barbershop because it would never clean up enough with my Warwick. But I never tried it 18 volts, which I regret, and is so arbitrary on my part as I found running my EB "clean" boost at 18 cleaned that up enough for me. Oh well, my guitarist buddy was extremely geeked when I sold him the Barbershop, and I think it's an MBD-2 for me next.

So your buddy has your old Barbershop... you could borrow it and try it at 18v (if you still live near each other), not that the MBD-2 (or "1") wouldn't be a fine choice. You could get the MBD and still try the 18v Barbershop and compare...



... basically something that just overdrives the opamp, no diodes...

Actually a original Marshall Guv Nor works very well .... Guvnor was a opamp getting pused hard with everday marshall/fender style tone control after. Not one for gimics and marketing. Just know what works and doesnt work

View attachment 4131302


...
As mentioned Marshall Guv'Nur or a SansAmp Gt2 were the originals to get the sound.
It takes basic filters to make any "overdrive" sound decent. Then you get the " Bass drop" which makes people
say its not " transparent"
SansAmp covered it with the active EQ to boost back everything. Guv'Nur did as well.
...
no diodes.
SansAmp Gt2 had the somewhat gimmicky labels, but it was the first to use better filters and selectable gain stages to get anything from...." overdrive" to " distortion" and be " transparent"


You seem to have a taste for the Guv'nor, but a distaste for diodes — yet the Guv'nor uses two diodes to ground to get its grind (as do several later Marshall amps use diodes to get "that sound").
 
Another vague custerfluck of a thread with everything under the sun being able to be thrown on to the dogpile...
I'm game! OP did ask what our favourites were, no matter if you've tried 2 or 200 "overdrive-not-distortion" pedals, so here's mine:

Fairfield Barbershop — arguably a one-trick pony, but it turns that trick with aplomb.

Dr Scientist Elements — Super-versatile great-sounding pedal that can give you a broad range of overdriven to distorted sounds; yet so overlooked...




Awesome! Missed this during my semi-regular TB hiatus. Might go bump it, but somebody already suggested deep-frying the Twinkie...
Too bad Bingo Twinkie never released the Sauce-O-Lido Labido Snausajus — I heard it was just a clone of the Cate-Lynn Brandschitt Sabradoh Problemo OhSoPickOhSoso...




So your buddy has your old Barbershop... you could borrow it and try it at 18v (if you still live near each other), not that the MBD-2 (or "1") wouldn't be a fine choice. You could get the MBD and still try the 18v Barbershop and compare...









You seem to have a taste for the Guv'nor, but a distaste for diodes — yet the Guv'nor uses two diodes to ground to get its grind (as do several later Marshall amps use diodes to get "that sound").
I've moved on, honestly. My CAL Grizzly Bass has the OD covered. If I were to check out a new OD it would be a new OD, probably the MDB-2. But I have also always been intrigued by The Elements. So much to see, I'll just let the Barbershop go.