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Quantum

Item No.: Presonus-Quant
Presonus

Presonus

Quantum

(Price excluding VAT) 825,62
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Presonus

Quantum

Your expandable, ultra-high definition recording system.
Taking full advantage of the high-speed Thunderbolt™ bus and ADAT Optical I/O, the PreSonus® Quantum audio interface delivers up to 26 inputs and 32 outputs, with extremely low latency. Boasting superb audio quality; 24-bit, 192 kHz recording and playback; recallable XMAX microphone preamps; and the ability to expand your system as your needs grow, it’s a great choice for a wide variety of professional and semi-pro producers and electronic musicians.

Cut the wait.
Every design decision during Quantum’s engineering was made with one goal in mind: speed. Quantum sports high-speed Thunderbolt connectivity and a no-frills, direct-to-DAW architecture, with no DSP. The result is our leanest, fastest, lowest-latency interface to date.

Cutting-edge 24-bit, 192 kHz converters with 120 dB of dynamic range and a surprising amount of expandability and software control options round out the package.

The Quantum-series proprietary Thunderbolt driver was written from the ground up to deliver ultra-low-latency performance while maximizing efficiency. By reducing the roundtrip latency to below 1 ms*, you can easily monitor performances—including plug-in processing—through your DAW with no performance-killing latency. DAW monitoring also allows you to manage your session and your musicians’ monitor mixes from a single window. Even at higher buffer sizes, Quantum-series interfaces deliver consistent low-latency performance.

*192 kHz, 64 sample buffer in Studio One 3.5 on a MacBook Pro 2016, 2.7 GHz Intel Core i7 running 10.12.5

The Quantum driver utilizes the bus master Direct Memory Access (DMA) to transfer audio data directly to and from the main memory without using CPU processing and the overhead that would come with it. DMA supports 64-bit addressing on systems with 4 GB or more of RAM. A companion DMA engine was also implemented in the Quantum hardware to read digital audio data directly between the ADC/DAC and the computer memory, one sample at a time.

For maximum efficiency, samples are transferred from the Quantum DMA engine directly into driver memory as a 32-bit word to match the way the Quantum driver handles the audio. Where possible, audio samples are also transferred into driver memory in the exact order that the driver expects. This helps to avoid alignment problems and the like, allowing you to run your Quantum drivers at extremely low buffer settings without overtaxing your CPU.

Expandable when you need more I/O—up to 96 in and out.
The Quantum audio interface offers two combo mic/line/instrument inputs and six combo mic/line inputs, each with a digitally controlled XMAX preamp and individual +48V phantom power. You also get two ¼-inch TRS main outputs, eight ¼-inch TRS aux outputs, and two independent headphone outs with dedicated volume controls. But that’s just the start. With ADAT Optical I/O and S/PDIF stereo digital I/O, you can have up to 18 digital inputs and outputs. And if you need even more I/O channels, you can stack up to four Quantum interfaces via Thunderbolt to create a monster system with up to 96 in and out. BNC word clock I/O ensures your Quantum and other digital audio devices operate in tight sync. And of course you get MIDI I/O, too.

The Quantum’s eight analog inputs, ten line-level analog outputs, two stereo headphone outputs, and stereo S/PDIF digital I/O might be all you need today. But your studio is likely to grow in time, and so can your Quantum recording system. Its dual ADAT Optical I/O provides up to 16 more channels of digital I/O at up to 48 kHz (up to 8 channels at 96 kHz).

The Quantum’s ADAT I/O lets you add any ADAT-compatible A/D/A converter but we highly recommend the PreSonus DigiMax DP88 preamp/converter, which seamlessly extends the analog I/O on the Quantum with eight digitally-controlled XMAX preamps, and word clock I/O. The DP88’s mic preamps are fully remote-controllable from UC Surface, Studio One®, and Studio One Remote when connected via ADAT Lightpipe to the Quantum so that they naturally extend your analog inputs both sonically and functionally.

If your studio grows even more, you can stack up to four Quantum interfaces via Thunderbolt. This enables you to create a monster system with up to 96 in and out—more than enough to cover almost any studio’s recording needs.

Superior sound.
Audiophile-grade digital converters, low-jitter clocking, and recallable preamps add up to a superior recording and listening experience. The Quantum audio interface operates at up to 192 kHz for ultra-high-definition mixing and recording. High-quality converters on every input and output provide 120 dB of dynamic range to capture complex musical harmonics smoothly and naturally with no audible distortion. And our recallable XMAX Class A analog microphone preamps deliver incredibly high headroom, deep lows, smooth highs, and a rich overall sound so you’ll hear every breath, transient, and detail in your recordings.

At PreSonus, they know that the microphone preamplifier is a key component in the sonic quality of a recording. The Quantum audio interface includes eight custom-design, high-voltage, Class A XMAX preamps with discrete components for accuracy and transparency.

XMAX preamplifiers are built with three key elements:

Class A. Class A circuits have no crossover distortion and deliver purer, clearer, and more musical results than the Class AB designs that are found in many preamps.
High Voltage. The XMAX preamplifier runs on power rails of 30V. Most off-the-shelf, op-amp-based designs run on power rails of 10V to 18V. Higher-voltage power rails deliver more headroom, deeper lows, smoother highs, and a richer overall sound.
Discrete components—not op-amps. We only use genuine transistors, resistors, and capacitors. Op-amps add noise, coloration, and harshness to a signal. Our discrete design delivers ultra-low noise and transparency.
The net result of the XMAX preamp design is high headroom, low noise, wide dynamic range, extended frequency response, and—most important—musicality and transparency.

The Quantum’s XMAX preamps offer another advantage: They are recallable. In 1995, PreSonus patented digital control over analog circuits with our first studio product. Building on this legacy, we created a separate digital volume-control circuit ahead of our analog XMAX preamp design, providing the convenience of digital recall without sacrificing fidelity. The preamps can be controlled from the unit’s front panel, from UC Surface control software, from Studio One’s mixer, from Studio One Remote, and via MIDI in Pro Tools, Logic, or Live so you can save the settings with your recordings.

A superior choice for any production environment.
With its pro features and abundant I/O, the Quantum audio interface fits into any recording and production environment. You get two main and eight auxiliary balanced line-level outputs, as well as Mute/Dim and Mono controls. The onboard talkback mic can be routed to any mix, and you can listen to any mix from either of two independent headphone amps. All 10 analog outputs are DC coupled so they can provide control voltage to external analog equipment. Add that to Quantum’s expandability, flexible software suite, blazing speed, and superb sound quality, and you have a recording system that will be the heart of your dream studio for years to come.

Tight integration with Studio One.
With the Quantum, your audio interface is an integrated extension of your recording environment. The perfect companion for any recording software, the Quantum comes equipped with Studio One Artist to provide you with a complete recording solution. Launch Studio One®, and you’ll find full preamp control integrated into your recording environment. Need to track away from your computer? Launch Studio One Remote on your iPad® or Android™ tablet.

Quantum customers get 50% off upgrades to Studio One Professional.

Includes Studio Magic 
Plug-in Suite.

This suite of plug-ins adds a wealth of fresh virtual instruments and effects to Studio One. Cherry-picked from the first names in virtual instruments and effects, each plug-in brings a different flavor of practical magic to your songs. These plug-ins aren't gimmicky one-trick ponies — these are real-deal workhorses that you'll rely on for countless mixes.

See additional information

Computer system requirements:
Below are the minimum computer-system requirements for the Quantum Interface.

Mac
Mac® OS X 10.11.6 64-bit or later
Intel® Core™ i5 or better
4 GB RAM (8 GB or more recommended)
Windows
Windows® 10 64-bit or later
Intel Core i5 or better
4 GB RAM (8 GB or more recommended)
Mac and Windows Systems
Thunderbolt™ 1.0, 2.0, or 3.0 port (NOTE: Your computer's motherboard must support Thunderbolt. Thunderbolt 3 requires an adapter, not included.)
Internet connection (required for Studio One Activation and Content download)
Internal or external 7200 RPM storage drive highly recommended
30 GB hard disk space
Monitor with 1366x768 resolution
Note: The minimum system requirements may differ for DAWs other than Studio One. Please check the requirements for your DAW of choice with its manufacturer.
Note that the speed of your processor, amount of RAM and size and speed of your hard drive will greatly affect the overall performance of your recording system. Also, a more powerful system (faster processor with more RAM) will allow for lower latency (signal delay) than you might experience while monitoring audio signals.

Technical Specifications

Microphone Preamp

Type XLR Female (via Combo), Balanced
Maximum Input Level +10 dBu (Balanced, min. gain)
Gain Control Range 60 dB
Frequency Response 20 Hz to 20 kHz (±0.15 dB, unity gain, 48 kHz)
20 Hz to 40 kHz (±0.22 dB, unity gain, 96 kHz)
Dynamic Range > 110 dB (A-wtd, min. gain)
Total Harmonic Distortion < 0.005% (1 kHz, min. gain)
EIN < -131 dBu (max gain, 40Ω, 22 kHz BW, A-wtd)
Input Impedance 1.6 kΩ
Phantom Power +48V, > 8 mA per input

Instrument Inputs

Type ¼” TS Female (via Combo), Unbalanced
Maximum Input Level +15 dBu (Unbalanced, min. gain)
Gain Control Range 60 dB
Frequency Response 20 Hz to 20 kHz (±0.2 dB, unity gain, 48 kHz)
20 Hz to 40 kHz (±0.6 dB, unity gain, 96 kHz)
Dynamic Range > 106 dB (A-wtd, min. gain)
Total Harmonic Distortion < 0.005% (1kHz, min. gain)
Input Impedance > 1 MΩ

Line Inputs

Type ¼” TRS Female (via Combo), Balanced
Maximum Input Level + 18 dBu (Balanced, min. gain)
Frequency Response 20 Hz to 20 kHz (±0.05 dB, unity gain, 48 kHz)
20 Hz to 40 kHz (±0.10 dB, unity gain, 96 kHz)
Dynamic Range > 118 dB (A-wtd, min. gain)
Total Harmonic Distortion < 0.005% (1 kHz, min. gain)
Input Impedance 10 kΩ

Main and Line Outputs

Type ¼” TRS Female, impedance balanced, DC Coupled
Maximum Output Level +18 dBu (Balanced)
Frequency Response 20 Hz to 20 kHz (±0.05 dB, unity gain, 48 kHz)
20 Hz to 40 kHz (±0.15 dB, unity gain, 96 kHz)
Dynamic Range > 118 dB (A-wtd)
Total Harmonic Distortion < 0.0035% (1 kHz, +4 dBu)
Output Impedance 51Ω

Headphone Outputs

Type ¼” TRS Female, Stereo, Unbalanced, x2
Maximum Output Level 175 mW/channel (56Ω load)
Frequency Response 20 Hz to 20 kHz (±0.5 dB, 48 kHz)
Dynamic Range > 110 dB (A-wtd)
Total Harmonic Distortion < 0.03% (1 kHz)
Headphone Impedance (working range) 16Ω to 300Ω

Crosstalk

Input to Input < -110 dB
Output to Output < -115 dB
Input to Output < -120 dB

Signal Level LEDs

Clip -0.5 dBFS
Signal 1 -2 dBFS
Signal 2 -4 dBFS
Signal 3 -6 dBFS
Signal 4 -10 dBFS
Signal 5 -20 dBFS
Signal 6 -30 dBFS
Signal 7 -50 dBFS

Digital Audio

Connection Type Thunderbolt*
ADC Dynamic Range 120 dB (A-wtd)
DAC Dynamic Range 120 dB (A-wtd)
Bit Depth 24 bits
Internally Supported Sample Rates 44.1, 48, 88.2, 96, 176.4, 192 kHz

Clock

Jitter < 70 ps RMS (20 Hz – 20 kHz)
Jitter Attenuation > 60 dB (1 ns in => 1 ps out)

Power

12 VDC, 5A, external power supply

Physical

Dimensions
Height 1.75" (44.45 mm)
Depth 7" (177.8 mm)
Width 19" (482.6 mm)
Weight 6 lbs (2.72 kg)

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