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variable HPF and LPF in a pedal?

Can each pedal be run at 9-24v, or are those different pedals?

Also, what are the odds of getting a variable slope for the HPF?
The L+HPF pedal can go up to 24V
The indiviadual LPF and HPF pedals can go up to 15V, but since it's unity gain it's doubtful you would need that kind of headroom

The slopes are fixed at 12dB/octave.
 
These arrived in the post today:

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Got my Broughton L/HPF last week and already had a few times to try it out. It goes near the start of my chain. Some quick impressions:
  • The HPF part can take away some of the "thumpiness" of the more aggressive basses/pickup configurations and also at lower settings seems (exactly as expected) to tame the really low frequencies. This is apparent when running my signal into an audio-interface. These have very hard clipping characteristics which results in hard "clicks" when hitting hard on the low strings. Engaging the HPF gives a little more headroom.
  • The LPF part can serve to take out most of the noise out of noisy pickups/preamps with little effect on the tone.
  • Can also remove some "finger noise" when required.
  • ... and can also serve as a tone-control.
  • Overall very transparent and very low-noise even with higher gain settings.
so overall very happy customer. This is going to replace the SA prog-EQ that I tried using for the same purpose, alas with only limited success.
 
I hear you. I've tried to do stuff like that with an EQ, and unless it's a 31 band, it never works. But who wants to tote a 31 band EQ to every gig?

I didn't get the full pedal, though. I got separates. I don't want LPF on the upright so separates made more sense. However, I'm half tempted to snag a full pedal for the gigs where I'm not doubling just because I'm lazy :D I don't know if I'm quite THAT lazy, though. Not like two 1590a pedals are that much harder to manage than one 1590b.
 
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I hear you. I've tried to do stuff like that with an EQ, and unless it's a 31 band, it never works. But who wants to tote a 31 band EQ to every gig?

I didn't get the full pedal, though. I got separates. I don't want LPF on the upright so separates made more sense. However, I'm half tempted to snag a full pedal for the gigs where I'm not doubling just because I'm lazy :D I don't know if I'm quite THAT lazy, though. Not like two 1590a pedals are that much harder to manage than one 1590b.
but the lpf is great for upright. gets rid of the piezo quack. i can leave my amp flat with this pedal
 
but the lpf is great for upright. gets rid of the piezo quack. i can leave my amp flat with this pedal
I use a Clef Rev Solo II. Quack is not in my vocabulary :D And the LPF also takes the highs of the slaps out of the mix as well. If I were doing strictly pizz, I would probably stick the LPF on it. But when I slap on an upright, I tend to think I need tweeter frequencies in the PA. Don't really need them out of my amp, but I do like them in the PA. Surprisingly, I don't share this opinion when I slap on an electric.