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Dangerous Music 2-BUS+ Analog Summing Mixer

16 x 2 Analog Summing Mixer with Harmonic Distortion Generator, FET Limiter, Variable Stereo Transformers, and Stereo Insert
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Next-generation Analog Summing

The Dangerous Music 2-BUS+ is a 2U, 16-channel analog summing mixer with both XLR and D-sub inputs. It raises the bar on its legendary 2-BUS predecessor with even lower crosstalk, distortion, and noise-floor performance, along with stunningly precise soundstaging and center focus. Dangerous spent over two years developing three onboard audio processors that, with a simple push of a button and twist of a knob, add tone and color to your stems or across your entire mix directly from the 2-BUS+. The 2-BUS+ is smartly designed, extremely useful, and sounds incredible.

A trio of custom audio processors

In sync with Dangerous Music's doctrine of tonal coloration as a per-project artistic choice, the 2-BUS+ features three separate custom audio processors that selectively add tone and color to your mixes. In parallel processing mode, you can deploy Harmonics, a tuned harmonic distortion generator, and Paralimit, a FET limiter on steroids. At Sweetwater, we've applied both of these across stereo mixes and on pairs of stems. X-Former kicks in a pair of custom transformers with core-saturation control on your stereo mix outs. You can have all three tone processors active concurrently, and you can flip the order of signal flow through distortion and limiting.

Outstanding flexibility

Dangerous Music knows that each engineer — and session — is unique, so they designed the 2-BUS+ for outstanding professional flexibility. They spec'd it with an XLR stereo insert before the outputs for adding a separate compressor or processing chain that you can bypass at the touch of a button for a quick reference comparison. Channels 1/2 and 9/10 can be set to mono to rout; for instance, vocals/bass and kick/snare each to its own mono input. They also gave the 2-BUS+ an output control stepped in 0.5dB increments from -4dB to +6dB, and included XLR connections for both the main and monitor outputs.

Gang 'em for high channel count

Need a full-on analog "console" summing experience? Gang together multiple 2-BUS+ units via the stereo expansion inputs XLR to create a customized channel count. For the ultimate in tonal flexibility and control, the custom audio processors on each unit apply across the ganged group output. With three units, for instance, you'll have 48 channels of analog summing, with the first two units employing Harmonics (distortion), and Paralimit (limiter) across two separate stereo stems, and the third unit applying X-Former transformer saturation on the master stereo outputs.

What the pros are saying about the 2-BUS+:

  • "The Paralimit and X-Former appear to be magic knobs. Special mention goes to the Paralimit because it does that lovely thing of bringing up the general ambience without slamming the track, something I particularly love on drums. Plugged it into my system along with my old 2-BUS and Dangerous MONITOR ST, and wow ... it's fantastic! Bags of air and space around the mix." — Chris Blackwell (drummer/composer)
  • "Since the 2-BUS has so much headroom, it's really easy for me to decide that I want the entire vocal submix to be brighter or warmer, or more or less compressed." — Michael James (producer/mix engineer)
  • "The Dangerous Music 2-BUS is one of the reasons my studio delivers a killer sound that grants the edge on the competition." — Alberto Rizzo Schettino (engineer)
  • "Between SSL, in-the-box, and 2-BUS ... in blind tests ... it was a unanimous decision that the Dangerous mixes beat out everything. The 2-BUS mixes ... were simply cleaner and warmer than the SSL or in-the-box mixing ... I just don't miss my console." — Gina Fant-Saez (mix engineer)
  • "With the 2-BUS LT, elements have their own place. You end up with a quicker, bigger mix and retain a more natural, less processed sound." — Phil Greiss (producer/engineer)
  • "The Dangerous Music equipment is the centerpiece of my mixing rig. Everything I do goes through a Dangerous MONITOR, 2-BUS, MASTER, and BAX EQ. Everything." — Fab Dupont (mix engineer)
  • "I don't understand how the 2-BUS has been in the studio for so long, but hasn't gotten to live shows — the sound is unbelievable." — Horace Ward (FOH engineer)
  • "The harmonic and transformer flavors are great options to have and the parallel limiter is a genius idea." — Chris Tabron (producer/mix engineer)

Dangerous Music 2-BUS+ Analog Summing Mixer Features:

  • Stunning 16-channel analog summing mixer injects your mixes with exceptional headroom and dimensionality
  • 3 analog options (Harmonics, Paralimit, and X-Former) for adding tonal coloration to your mix
  • XLR and D-sub input connectivity and flexible routing allow for a customized workflow
  • Integrate your outboard gear easily with the switchable stereo analog insert
  • Output control is stepped in 0.5dB increments for perfect recallability
  • High-quality components ensure audiophile-grade sound

Warranty Info

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Tech Specs

  • Type: Analog
  • Channels: 16 x 2
  • Inputs - Line: 2 x DB-25
  • Inputs - Other: 2 x XLR (Exp)
  • Outputs - Main: 2 x XLR
  • Outputs - Other: 2 x XLR (Monitor)
  • Send/Return I/O: 2 x XLR (Send), 2 x XLR (Return)
  • Rackmountable: Yes
  • Height: 3.5"
  • Width: 19"
  • Manufacturer Part Number: 2Bus+

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Customer Reviews

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Rated 5/5

Absolutely Incredible!!!

I was on the fence about this for about a year. I put in a lot of work and dedicate myself to this craft in a very real way. I knew to get a PRO and Polished sound that I was going to have to invest in my business and I am so glad that I did.
Music background: Head Composer/Producer
Rated 5/5

What a box!

I normally don't write reviews, but at a given price that real people and real scenarios reviews should help others into making a big commitment.
I am a mastering engineer and my workflow is a little different due to source material and processing flow.
Since day 1, this unit is on every track that gets either mixed or mastered in a some way.

First I needed clean gain stage and Dangerous do know how to make those 6db gain to be extremely useful and clean. I don't get to many stem projects, but it is a delightful workflow when I get them and I run them true this device.

On a summing scenario it all make sense and "glue-ed" in terms of that stems are no longer individual instrumentation and it is all a coherent source.

The fun useful stuff is with the color section. Like I said, I get material that is "shy ITB" sound and need a little help to be next to a professional mix and this knobs gets used all the time weather they are engaged at 0 or at some level.

The harmonic section gets a nice hump on the low end area and with acoustic material this does adds a fullness that I can avoid to add with other processing ITB, hence I do a little less in digital and shape the overall sound by this knobs.

The Paralimiter section is a feature that I don't use much, but with source that needs more energy this just do the work again, without using ITB tools, specially acoustical instrumentation like harps, wind and esoteric kind. Dont push it to hard, it will do the job if the mix balance is there.

The Xformer is what gets the most use, with shy mixes it does wonders to the top end clarity, but with harsh mixes I have no need to engage it since I have to deal with HF. but the quality of this knob is serious.

lastly I only have 1 issue is that the power socket is not tight so at random times it has come lose.

This unit is what I needed to keep a minimalist desk with the right tools.
Music background: Mastering Eng
Rated 5/5

THAT ABOUT SUMS IT UP

Been recording and mixing a long time and heard the tales so I decided to invest in my future and boy am I happy as a lark. With the + features it's as if there's three pieces of outboard gear attached to it. I also bought the BAX EQ for the ext insert. AND the convert 8. Big fan of Dangerous, also running the source as my DAC. Any who after eating saimin for the next ten years so I can pay all this stuff off, I would say two things.

1. Get it, it's worth it.
2. Saimin get's old, but so does doing the same things over and over to try to achieve something that's not there. I'm talking about letting those outputs breathe. Take a breath. Too much info in the stereo buss is like cramming all classes on a school bus.

I will say that I'm only using channels 9 - 16 because out of my Apollo Quad, those outs are not as 'bananas' as Fab Dupont says. Noticeable difference from the convert 8.

Bottom line, I can get to the end of the mix quicker without having to load up my mix buss with everybody. There is a definition, punch, wideness about it that feels good compared to the standard out 1-2.

But don't take my word, go to Costco and stack up on the Saimin packages so you can get it!
Music background: Music coming out of Hawaii
Rated 5/5

Fantastic Solution

The designers of this box did a bang up job of creating a superior quality solution. The isolation per stem is outstanding. The transformer, harmonics and parallel limiter features are awesome, Sure, there are other (less expensive) OTB mix box solutions out there, but I chose the 2-BUS+ for the master insert, and other features I just mentioned. If you're looking to mix OTB, give the 2-BUS+ serious consideration. The quality and performance are amazing. I'm very happy with my choice.
Music background: Engineer, producer, product specialist
Rated 5/5

Thanks Drew Foster

Called my Sweetwater rep asking his opinion on the Burl Summing unit. He steered me towards the Dangerous 2 bus+ and wow. What a unit. I’ve been using an OTB16 and have been pretty satisfied but was looking for a little something more. I would describe the sound as big, clear, and open. The limiter and harmonics are a very clever design but the transformer, that’s special,imo. Subtle yet noticeable when taking out. One of my best purchases in a good while. My experience with Drew has been an absolute pleasure. Great to talk gear with him too......

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What Do Our In-house Gear Experts Think?

Carson McClain

I was sick of battling my mixes "inside the box" - the squashed and lifeless audio, the boring, one-dimensional DAW mixes that had no life left in them. The Dangerous Music 2-BUS+ gave me eight master faders in my DAW instead of one. It brought back depth, character, and dimensional imaging into my mixes. Plus, harmonics, parallel limiting, and transformer saturation - all on my master sum! I believe the 2-BUS+ is the piece of gear every modern digital, software-based studio needs.
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