Tantrum Audio

Datasheet

Covers Omnissiah v0.1.5

All chapters

NEXUS is a speaker processor and switcher with room correction: four sources in, three outputs, a room correction and crossover on every output, set up from the Omnissiah app and stored in the box.

At a glance

ItemSpecification
Inputs2 × balanced TRS line, 3.5 mm aux, coaxial S/PDIF, USB audio
OutputsOutput 1-2 stereo pair and Output 3 (sub, mono or utility), balanced TRS
Processing latency0.85 ms, analogue in to analogue out
Noise floor120 dB
Room correctionMeasured and calculated by Omnissiah, stored in NEXUS
DSP per output15 EQ filters, crossover, delay, gain, polarity, all-pass phase
ControlOmnissiah over USB-C; MIDI and OSC through Omnissiah
PowerUSB-C: from the computer, or a 5 V 2 A supply without one
Size and weight169.6 x 43 x 100 mm, 600 g
Warranty2 years

Inputs

ItemSpecification
Input 1-22 channels, balanced TRS jack, +20 dBu maximum
Aux InStereo, 3.5 mm jack, line level
S/PDIF2 channels, coaxial RCA, PCM up to 96 kHz
USB audio2 channels playback over USB-C (UAC), class compliant, up to 96 kHz
Input impedance[TBC]

Outputs

ItemSpecification
Output 1-22 channels, balanced TRS jack, +18 dBu maximum
Output 31 channel, balanced TRS jack, +18 dBu maximum
Output impedance[TBC]

Performance

ItemSpecification
Processing latency, analogue in to analogue out0.85 ms
Noise floor120 dB
THD0.0013% (converter datasheet figure)
Internal processing rate48 kHz
Frequency response[TBC]

DSP, per output

ItemSpecification
Filters15 (parametric EQ and all-pass)
CrossoverHigh and low pass, 24 dB/octave Linkwitz-Riley or Butterworth
Delay0 to 8.5 ms (410 samples at 48 kHz)
Other controlsGain, polarity, mute

USB audio modes

NEXUS processes everything at 48 kHz. At any other USB rate, NEXUS converts inside the box. Recording back to the computer is available in the two 16-bit duplex modes only. Chapter 7 — Routing & sources explains how to change mode.

ModePlaybackRecord to computer
44.1 kHz / 16-bitYesYes
48 kHz / 16-bitYesYes
48 kHz / 24-bit (default)YesNo
88.2 kHz / 16-bitYesNo
96 kHz / 16-bitYesNo
44.1 kHz / 24-bitYes, truncated to 16-bitNo

Control

ItemSpecification
ConfigurationOmnissiah app, over USB-C
Remote controlMIDI and OSC, received by Omnissiah on the computer
PresetsUnlimited, stored and recalled by MIDI or OSC macro

Power

ItemSpecification
From a computerUSB-C (UAC port), bus powered
Without a computerUSB-C (5V port), 5 V supply rated 2 A
Power switchNone. NEXUS starts when power arrives

Physical

ItemSpecification
Dimensions (W x H x D)169.6 x 43 x 100 mm
Weight600 g
Front panel indicatorsSIGNAL and STATUS LEDs
Operating temperature[TBC]
Country of manufactureUnited Kingdom
Warranty2 years
EAN5061088740030
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