RolandUSB Audio Interface (Rubix44)

About

Rubix44 delivers the perfect balance of high-fidelity audio, rugged build quality, and essential features for today's musicians and producers. It serves up warm and clear high-resolution audio up to 24-bit/192 kHz, and features four top-quality mic preamps carefully designed for pristine sound and low-noise performance. And with four discrete outputs, analogue dynamics processing, and an integrated MIDI interface, you have the power and flexibility to support your growing musical ambitions. Rubix44 works seamlessly with Mac and Windows computers and even supports the Apple iPad for the ultimate portable music production experience.

Product Features

• 4-in/4-out USB audio interface
• 4 low-noise mic preamps with XLR combo jacks
• Hardware compressor/limiter
• Hi-Z input for guitar and other high-impedance sources
• MIDI In/Out ports
• Extensively shielded, low-noise design
• Sturdy and compact metal construction
• Big, easy-to-read indicators show vital information
• Low latency, class-compliant drivers
• Ground lifts for quiet operation in a variety of venues

Product Specifications

System

• Number of Audio Record/Playback Channels: Record: 4 channels, Playback: 4 channels
• Signal Processing: PC interface: 24 bits, AD/DA conversion: 24 bits
• Sampling Frequency: AD/DA conversion: 44.1 kHz, 48 kHz, 96 kHz, 192 kHz
• Interface: Hi-Speed USB, MIDI IN, OUT
• Power supply: AC Adaptor

Connectors

• Input (1L, 2R, 3L, 4R) connectors: XLR type (balanced, phantom power: +48 V, 6 mA Max *1)

• Input (1L, 2R, 3L, 4R) jacks *2: 1/4-inch TRS phone type (balanced)

• Phones jack: Stereo 1/4-inch phone type

• Output (1L, 2R, 3L, 4R) jacks: 1/4-inch TRS phone type (impedance balanced)

• MIDI (IN, OUT) connectors

• USB port: USB Type B

• DC IN jack

• *1 Current value per channel.

• *2 INPUT 1L, 3L support high impedance

Controllers

• SENS 1L, 2R, 3L, 4R knobs

• Hi-Z switches

• 48V switches

• THRS knobs

• COMP/LIMIT switches

• Direct Monitor 1/2 knob

• Direct Monitor3/4 knob

• Mono switches

• Output knob

• Phones knob

• Power switch

• Ground Lift switch

• Phones Source switch

• Loopback switch

• COMP/LIMIT Type 1/2 switch

• COMP/LIMIT Typpe 3/4 switch

Indicator

• Level indicators (1L, 2R, 3L, 4R)
• Level indicator (COMP/LIMIT)
• POWER indicator
• Hi-Z indicators
• 48V indicators
• COMP/LIMIT indicators

Characteristics

• Nominal Input Level
• Input (1L, 2R, 3L, 4R) connectors (XLR type): -60-- -12 dBu
• Input (1L, 2R, 3L, 4R) jacks (1/4-inch TRS phone type): -44--+4 dBu
• Maximum Input Level
• Input (1L, 2R, 3L, 4R) connectors (XLR type): +2 dBu
• Input (1L, 2R, 3L, 4R) jacks (1/4-inch TRS phone type): +18 dBu
• Nominal Output Level: Output (1L, 2R, 3L, 4R) jacks: -6 dBu (impedance balanced)
• Maximum Output Level: Output (1L, 2R, 3L, 4R) jacks: +8 dBu (impedance balanced)
• Phones Maximum Output Power: 20 mW + 20 mW (L + R, 47 ohms load)
• Headroom: 14 dB
• Input Impedance
• Input (1L, 2R, 3L, 4R) connectors (XLR type): 4 k ohms or greater (balanced)
• Input (1L, 2R, 3L, 4R) jacks (1/4-inch TRS phone type): 15 k ohms or greater (balanced)
• Input (1L, 3L) jacks (1/4-inch phone type): 500 k ohms or greater
• *3 When the Hi-Z is turned on
• Output Impedance
• Output (1L, 2R, 3L, 4R) jacks: 2 k ohms (balanced)
• Phones jack: 47 ohms
• Residual Noise Level: Input (1L, 2R) --> Output (1L, 2R): -94 dBu typ. (SENS 1L, SENS 2R knobs: min., input terminated with 600 ohms, IHF-A, typ.)
• Dynamic Range
• AD block Input (1L, 2R, 3L, 4R) jacks: 104 dB typ. (SENS 1L, SENS 2R knobs: min.)
• DA block Output (1L, 2R, 3L, 4R) jacks: 109 dB typ.