| Content | 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
| SPL MixDream Analogue Summing Unit
- Analogue outboard summing mixer
- Active Class A/60-volt stages
- 16 inserts for mixing external effects
- Individual and overall bypass relays
- Reduced of A/D conversions
- Efficient resampling individual tracks
- Latency-free monitoring
- Stereo expansion control for additional transparency
- Analogue peak limiter for gain optimisation
- Lundahl output transformers and inserts
- Adjustable insert levels, output levels and peak limiters
- Multiple units linkable for larger mixes
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The original D-BOX can be found in both project and professional studios worldwide. Its practical fusion of analog summing and monitoring has earned it countless accolades. The D-BOX+ eclipses its predecessor, thanks to an upgraded summing mixer, more speaker outputs, mastering-grade D/A, Bluetooth connectivity, remote operation, and more. This indispensable box will help you achieve that elusive “glued-together” sound, and you’ll hear your mixes like never before — it’s one of the easiest ways to advance your project studio into the pro league. The D-BOX+ — it belongs at the center of your studio.
8 channels of analog summing to pump up your mix
When you bring up Dangerous Audio, the first thing that pops into most people's minds is analog summing. After all, they invented the standalone analog summing mixer in 1999 with their groundbreaking 2-BUS — and the original D-BOX brought this exciting technology to project studios everywhere. The D-BOX+ features an upgraded 8-channel summing mixer that’s guaranteed to inject new levels of headroom, dimensionality, and clarity into your mixes. Get the D-BOX+ and your panning will become more precise. Reverbs and delays will become more engaging. Bass will become punchier, mids more detailed, and highs more open. The D-BOX+ will elevate your mixes.
5 analog and digital inputs — and more — at your fingertips
The D-BOX+ is like a large-format console’s center section. It provides routing and switching for your studio’s inputs and outputs, both analog and digital. Five input sources are at your fingertips: analog stereo, the onboard 8-channel summing mixer, USB, AES/SPDIF, and a wireless stream from any Bluetooth-enabled device. The D-BOX+ also includes three stereo speaker outputs, which can be programmed to be mono and/or to include a subwoofer. Beyond that, you can use the third output as source for an independent sub with individual level and mute control.

Mastering-grade D/A delivers results you can trust
At Sweetwater, we like to say, "if you can't hear it, you can't mix it." That's why we love the D-BOX+. Whether you're placing a mic, tweaking an EQ, or preparing a final master, you'll hear everything. Advanced clock stabilization, top-of-class chipsets, and world-class, audiophile-grade analog circuitry add up to a D/A that’s as powerful as it is nuanced. It delivers true mastering-grade quality you can trust. You also get a pair of top-shelf headphone amplifiers that ensure clean, powerful, and accurate sound that’s tailor-made for fine-grained quality control listening. Thanks to D-BOX+’s no-compromise design, you’ll experience crystal-clear audio fidelity and flawless performance across its entire feature set.
Loaded with pro-studio essentials
Harness your studio’s full potential with the D-BOX+’s comprehensive routing capabilities. Take command of your monitoring with three independent speaker outputs and a programmable speaker selector. Benefit from an onboard talkback mic with push-button activation. Gain remote control over all of the D-BOX+’s major functions (volume, dim, talkback, I/O select, and more) with the free D-BOX+ app for macOS, Windows, iOS, and Android. The D-BOX+ makes a powerful centerpiece for any studio.
Dangerous Music D-BOX+ Summing and Monitoring System Features:
- Upgraded 8-channel analog summing mixer injects headroom, dimensionality, and clarity into your mixes
- 5 input sources: analog stereo, the onboard 8-channel summing mixer, USB, AES/SPDIF, and a wireless stream from any Bluetooth-enabled device
- Switch between inputs and toggle between 3 sets of studio monitors for audio referencing
- Speaker outputs can be programmed to be mono and/or to include a subwoofer
- Mastering-grade D/A includes advanced clock stabilization, top-of-class chipsets, and world-class analog circuitry
- Top-shelf headphone amplifiers are tailor-made for fine-grained quality control listening
- Onboard talkback mic with push-button activation
- Free D-BOX+ app supplies remote control over all of the D-BOX+’s major functions (volume, dim, talkback, I/O select, and more)
| 16 Channels of High-end Conversion, Monitoring, and Summing
Sweetwater's Dangerous Music CONVERT-8 D/A Converter with 2-BUS+ Analog Summing Mixer and Cable Kit Bundle gives you high-definition surround reference monitoring for up to 16 channels, mastering-grade front-end playback conversion, and 16 channels of analog summing, plus a cabling kit to get you up and running right out of the box. | An 8-channel stereo summing mixer with 12AX7 tubes for sonic excitement, the Radial Space Heater can add incredible depth and harmonic richness to your tracks. Recording engineers at Sweetwater know that summing in the analog domain, as opposed to within your DAW, is a great way to get that big-console sound. The Space Heater's variable tube overdrive allows you to add everything from subtle transformer warmth to rich harmonic distortion. From gluing individual drum tracks into a cohesive kit to mixing down your final stems, the Radial Space Heater will add a great sound to your productions.
Tubes and transformers are just what your digital tracks need
No matter how well you record your tracks, or how you approach your mixes in your DAW, it's hard to beat the undeniably rich and deep sound that summing in the analog domain is known for. Instead of investing in a large analog console, a summing mixer like the Radial Space Heater is the perfect match for DAW-based studios. The transformer-coupled outputs add a touch of warmth, and variable tube overdrive is perfect for adding sparkle to vocals, depth to acoustic instruments, and even full-on distortion for extreme effects. Send your stems through the Space Heater, record the stereo mix back into your DAW, and you'll be impressed with the results.
Variable voltage for fine-tuning the tube sound
The Radial Space Heater not only gives you variable tube overdrive for each stereo input pair, but it also allows you to switch between 35-volt, 70-volt, and 140-volt operation. Use the 35-volt setting for maximum grit and distortion, or switch over to 70 volts for cleaner headroom and a smoother sound. When you want the cleanest headroom, switch over to 140 volts. You can adjust the voltage for each stereo input pair individually, which means you can add gritty overdrive to rock vocals while giving bass and drums tons of clean headroom for a deep, punchy sound.
Two useful studio tools in one
One look at the back panel tells you that the Radial Space Heater is ready to be a studio workhorse. Each of the eight channels can be set up as a hardware insert, which means you can send individual tracks through the Space Heater to add tube saturation and transformer warmth. Once your individual tracks are perfect and you're ready to sum your final mix, run your stems through the Space Heater and record the final stereo mix to your DAW. The Space Heater is effectively a smart combination of four outstanding tube/transformer modules plus an analog mixer.
Radial Space Heater 8-channel Tube Summing Mixer Features:
- Stereo summing mixer for adding warmth, depth, and harmonic richness
- A 12AX7 tube for each input pair lets you add anything from subtle sparkle to full-on distortion
- Transformer-coupled outputs add a touch of character while maintaining a high-quality, low-noise signal
- 3 adjustable voltage modes (35-volt/70-volt/140-volt) allow you to adjust how much clean headroom you have before distortion begins
- Use it as an analog summing mixer or as 4 individual tube saturation/transformer warmth modules
- Multiple units can be linked for higher channel count
| Avid S1 eight-fader EUCON control surface
The Avid S1 is an eight-fader EUCON control surface with unparalleled speed, rich visual feedback, and software integration of Avid's high-end consoles in a slimline surface that's an easy fit for any space or budget. Avid S1 gives you deep hands-on control of your favorite audio and video software and, together with the free Pro Tools | Control app for iPad (iPad not included), provides great ergonomic efficiency, easy touch workflows, and S6-style metering and processing views, so you can navigate large sessions quickly, mix more intuitively, and turn around better sounding mixes fast.
Mix big on a smaller scale
While Avid S1 fits easily between your display and keyboard, it packs a lot of mixing power into its small surface. From motorized faders and knobs that respond to your touch, to fast-access touchscreen workflows and Soft Keys that enable you to perform complex tasks with a single press, S1 provides the speed and versatility to accelerate any music, audio post, or video project.
Get unmatched software integration
S1 is powered by EUCON, Avid’s high-speed Ethernet control protocol that delivers deep hardware/software integration, giving you full touch and tactile access to a host of Avid and third-party software functions and controls. You can even switch between multiple applications—and workstations—at the touch of a button, providing the most fluid editing and mixing experience.
Specifications:
- Faders: Eight motorized, touch-sensitive, 100 mm long-throw faders
- Knobs: Eight push-top, touch-sensitive rotary encoders
- Additional controls: Assorted hardware buttons/keys for various functions and mode selections, including Mute, Solo, Record-enable, Bank, Nudge, and more
- Software interface: Supports the free Pro Tools | Control app running on iPad (iPad not included), providing touchscreen control, project navigation, macro triggers, and more
- Displays: Eight high-resolution OLED displays, plus multiple status LEDs and multicolor track buttons; channel metering, monitoring, processing, track status, automation modes, and other views provided by Pro Tools | Control on iPad
- Height (front, rear): 1.2 inches, 3.8 inches (29 mm, 97 mm)
- Width: 12.3 inches (312 mm)
- Depth: 14.9 inches (377 mm)
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