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You are correct about the VT. I have one. The Ampeg SCR-DI also does it with cutting highs (although not sure about lows), and I also have a Source Audio Aftershock that has a lot of its sounds built in.
So, as many of you guys know I'm pretty enamored with my VT Bass DI, and anytime I get that interested in a piece of kit, it usually makes me very curious as to what's going on under the hood. If you guys are tired of me posting these types of things let me know and I'll stop, but sometimes my enthusiasm gets the better of me.
Anyways, those VT units are fascinating, though character doesn't really appear to do all that much as far as altering HPF or LPF style filtering. A little, yes, but I'm not sure how noticeable it'd be. Check it out.
I'll start off with what I consider the baseline. Below green shows pedal bypass, purple shows that I have the post Sansamp EQ set flat via a fully CCW blend setting, and yellow shows the full Sansamp signal with the same EQ settings with bite and speaker sim engaged and character at noon.
This next one might explode some eyes, but in case anybody is interested, this one also shows what the different bite/speaker sim combinations do. Sorry for the switch but blue is the baseline as above.
Orange: bite, no sim
Blue: baseline, per above
Yellow: no bite, no sim
Teal: sim, no bite
Alright now lets examine two popular character settings, for each one it shows drive at off, 9:00, and 12:00 - I had taken these for other purposes and am just re-purposing all of these images here. The takeaway is that the high and low rolloff frequencies are altered, but not a ton. Also, note that the low-rolloff is relatively shallow compared to what I'd consider a true HPF.
Character at 9:00. Drive off, 9:00 and 12:00
Character at 12:00. Drive off, 9:00 and 12:00
Like a lot of people, I use the VT. I like the High frequency rolloff with the sim on but I don't like the clanginess of the bite engaged so bite stays off. I run a Boughton HPF as well to really clean up the lower frequencies as well though.
This is one of the more startling take-aways, gleaned from these mega musings. What we don't know (didn't know) can't hurt us (doesn't hurt our rigs). DSP, it seems to me, and shrewd, enlightened engineering in general, is a powerhouse proposition.
Played my first gig using the Broughton HPF/LPF this weekend. It really does make a difference! Cleaning up the bottom end reduces the boom on stage, and cleaning up the high end makes the FOH sound much better. Well worth the investment!
@agedhorse has a couple post here about the subway pre (pedal) HPF. Part of what the deep switch does is shifts the HPF freq down a bit. 4th order filter.
Mesa Subway Bass DI-Preamp
- Feb 12, 2006
- 60,978
- 5
- 220,735
- Disclosures
- Development Engineer-Mesa Boogie, Development Engineer-Genzler (pedals), Product Support-Genz Benz
There are sim pedals where HPF and LPF parameters are part of the sims.
I've done some searching, and I'm having trouble finding many options for a HPF/LPF combo in pedal for without a ton of extra bells and whistles. Is Broughton king of such a beast?
I know I'd benefit from a HPF, but after playing around with my rig some I'm starting to think adding a LPF to go with it could eliminate my need for a compressor.
I know I'd benefit from a HPF, but after playing around with my rig some I'm starting to think adding a LPF to go with it could eliminate my need for a compressor.
Unless you go with a DSP, Broughton's HPF/LPF seems to be the way to go.
The only real extra bell or whistle it has is a gain control. I have the separates and they are wonderful so no doubt the combo pedal will be the shizz.
I'm assuming this post is in regards to multi-effect pedals. In that case, the post one up, or stumbo's post if you are not into fiddly and want knobs. My multi-effects pedal was nice for learning about pedals, but way too fiddly for me. I'd rather get knob.
The Broughton is functionally what I'm looking for. The only reason I'm curious about variants is because I'm not fond of top mounted jacks. That, and because it just seems like there'd be more than one pedal like that with all the homegrown boutique builders out in the world.
The only other LPF/HPF+gain pedal that I'm aware of is the VFE Standout. (Which also has top mounted jacks.) But I've not personally tried the VFE, can't vouch for it, and reviews are scarce, as opposed to the Broughton, which has multiple glowing reviews.
I looked at your post again - I'm not sure what a LPF+HPF pedal has to do with compression, though... Seems to me those functions are unrelated, unless I'm misunderstanding something here...
Ya, good point. I don't get the connection between comp and bandpass filtering, either.
Second paragraph of the OP of this thread mentions a high pass filter can help protect drivers. ( as can limiting )
That's the relationship I'm just guessing Gremson might have been thinking about. I could be wrong but he may have meant that if he gets a HPF he won't need both.
