Boss SD-1 appreciation

This is about SD1s, not DS1s, although they are cool too.

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The DS-1 sounds great, but it's got a very narrow range of settings where it does. You want to hit a slightly middy and reasonably dirty amp with it and you want to be using low to middle output pickups. Level up at least 9:00, tone down low (nearly off), distortion under 12:00.

Into clean amp - yuck
Tone up - yuck
Distortion past 12:00 - yuck
High output pickups - yuck

She's a picky one.
 
I believe the appropriate approach to Vai-tone with a DS-1 is to put a TS9 in front of it....but I suppose and SD-1 would also work.
 
How does the tone control on an SD-1 work? One of the things that makes a DS-1 so much fun to mod is that the tone control is always coloring the sound AND easy to mod.
 
The SD-1 is my go-to pedal for use with my SC20C. It is the basic Reb Beach recipe: set the amp to a decent level of distortion, add the SD-1, and you have a basic Marshall rock tone that is basically perfect.
 
How does the tone control on an SD-1 work? One of the things that makes a DS-1 so much fun to mod is that the tone control is always coloring the sound AND easy to mod.
The same way a Tube Screamer's does, just with a bit more range. Fully off, it cuts highs and a bit of mids, thus moving the mid focus of the pedal lower down the spectrum. Fully on, it boosts highs and mids a little, moving the mid peak higher up.
 
Well, that would work I guess if you wanted a scooped sound out of an SD-1. But at least when using it as a boost to tighten things up, I don't see why you would, LOL.

Because even if you use it as an OD in front of a clean amp, there's still the issue that much like a Tube Screamer, you hear the clean signal being blended in with the distorted signal, which just sounds super weird, fake, and pedal-like.

But then again, some people do use Tube Screamer in front of clean amps. I don't get the appeal, then. I'd much rather use something like a Blues Driver or an OCD in that scneario.
 
I know I have mentioned this before. Evrery guitar player at Berkleee tries at some point to cop Steve Vai's tone seeing he is the most famous guitar alum. The music store across the street has piles of used DS1s. The last time I was in there, they were going for as low as $19 each. I am going to be down the street from there today if I have time, I just might grab one.

I've found the SD-1 works in a lot of different situations, depending how you set it. Swiss army overdrive.

The DS-1 is a more specific use case in my mind--adding a certain metallic harmonic something to an already cooking preamp. On its own, not so musical unless you just want that "F-it, I'm going to get full nasty" tone. Unfortunately, I think a lot of people buy it, think it'll sound good raw, then give up.
 
Well, that would work I guess if you wanted a scooped sound out of an SD-1. But at least when using it as a boost to tighten things up, I don't see why you would, LOL.

You can tweak the values to give either a midboost, midcut, or flat tone at noon.
 
Oh, really? Honestly, I've never really payed much attention to the Big Muff. I was under the impression that pedal was like midscooped to hell and back, which worked great for when I was using it on bass. But it's cool to know you can actually tweak it!
 
Yup, the entirety of the midscoop is from the fact that the tone control is just a bass cut and treble cut operating at the same time. Where the corner frequencies are now, at noon the bass control filters out bass and mids, and the treble control filters out treble and mids.

If you put a trim pot in for R16 (bass) and R17 (treble), you should be able to get just about any sound you want out of one. Those resistors are for a DS-1, but if you see how they fit into the circuit, you can translate to any Big Muff circuit or any other pedal that uses that style tone control.
 
Is it normal for an SD-1 to have very little output? I had to take mine off my board, since I couldn't get it to unity gain with my (cough, 'several') other dirt pedals. That's using a power supply.

Larry
 
Yeah, sadly.

How little, though?

Because when using EMG?s you *barely* get unity gain cranking a TS's output, I find. With a Boss SD-1, yeah, it's slightly quieter.

With HOT pickups like the Black Winter or X2N, forget it.

But I find that's the nature of distortion and overdrive pedals designed way back. The DS-1 for me is a particularly bad example. Even a Metal Zone's output is relatively quiet by today's hot pickups standards.

Good thing is I never run an SD-1 in front of a clean channel to notice.
 
Yeah, sadly.

How little, though?

Because when using EMG?s you *barely* get unity gain cranking a TS's output, I find. With a Boss SD-1, yeah, it's slightly quieter.

With HOT pickups like the Black Winter or X2N, forget it.

But I find that's the nature of distortion and overdrive pedals designed way back. The DS-1 for me is a particularly bad example. Even a Metal Zone's output is relatively quiet by today's hot pickups standards.

Good thing is I never run an SD-1 in front of a clean channel to notice.

Well, my TS clone, OD-1, Uzi, Riot clone and Splinter all put out so much more output that I had to pull the DS-1, since I couldn't get it to the 'unity' setting on my board. Wonder if it's jacked? Bought it new a couple years ago. Anyone know a way to test its output level?

Larry
 
Well, my TS clone, OD-1, Uzi, Riot clone and Splinter all put out so much more output that I had to pull the DS-1, since I couldn't get it to the 'unity' setting on my board. Wonder if it's jacked? Bought it new a couple years ago. Anyone know a way to test its output level?

Larry
Do you mean DS-1 or SD-1?

Because the SD-1 is just a tad quieter than the TS. So I'm sure if you're using like non-blistering-hot metal humbuckers and picking like a sledgehammer 100% of the time, you'll be fine.

But yeah, the DS-1's output is famelic, IME.
 
Well, my TS clone, OD-1, Uzi, Riot clone and Splinter all put out so much more output that I had to pull the DS-1, since I couldn't get it to the 'unity' setting on my board. Wonder if it's jacked? Bought it new a couple years ago. Anyone know a way to test its output level?

Larry
You won't get any "technical" readings like output voltage, dBu's or anything like that, but you can compare them if you record them DI to your interface's instrument input. That's how I get an idea of pickups' output relative to each other. Because perceived levels can be tricky. Pretty sure you can do the same for pedals.

If you do that, prepare to be disappointed, though. You'll actually see that something like a Tube Screamer never actually "slams an amp's front end" like we're lead to believe, LOL
 
If you do that, prepare to be disappointed, though. You'll actually see that something like a Tube Screamer never actually "slams an amp's front end" like we're lead to believe, LOL
Explains why I never liked them. I don’t usually need a huge push. Even so, it’s method of “tightening up the sound” takes too much that I do like about the sound of the amp it’s in front of and adds too much that I don’t. Even as an overdrive, I find it too cloudy and thin.

I used to get so annoyed at the Premier Guitar “Monsters Of High Gain” videos where the point is to show off how the amp sounds, including amps designed to give that modern sound straight in and half the time, they feature guitar players who insist on using a TS in front every time, which defeats the purpose and raises the question why they won’t at least try to get the sound from a Fryette or Thrasher without a d@mn box in front??
 
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