MOTU 24 AO

USB 2.0 Audio Interface, AD Converter and Standalone Mixer

  • 72 Channels
  • Supported sample rate: 44.1, 48, 88.2, 96, 176.4, 192 kHz
  • 32-bit floating point format
  • 24 Line outputs 3 x SUB D-25 and 6 x 12-pin phoenix
  • 3 x ADAT in/out
  • Wordclock in/out
  • LCD display
  • Class compliant USB 2.0 connector compatible with USB 3 and iOS
  • Cat-5e Ethernet connector for AVB network (up to 5 MOTU AVB devices can be connected via optional MOTU AVB switch)
  • Integrated DSP with mixing function for 48 channels
  • 12 Stereo buses
  • Modulated analogue equaliser
  • Vintage compression
  • Gate and classic reverb
  • Flexible matrix for routing and splitting
  • Control via web browser
  • For Mac OSX 10.8 or higher
  • Format: 19" / 1 U
  • Includes MOTU AVB Discovery app for iOS, MOTU AVB Control web app, AudioDesk 4.0 (download)

Further Information

Recording / Playback Channels 64x64
Number of Mic Inputs 0
Number of Line Inputs 0
Number of Instrument Inputs 0
Number of Line Outs 24
Headphone Outs 0
Phantom power No
Number of S/PDIF Connectors 0
Number of ADAT Connectors 3
Numer of AES/EBU Connectors 0
Number of MADI Connectors 0
Ethernet 1
Other Connectors No
MIDI interface No
Word Clock 1xIn, 1xOut
Max. sample rate (kHz) 192 kHz
Max. resolution in bit 24 bit
USB Bus-Powered No
Incl. power supply Yes
USB Version 2.0
Width in mm 483 mm
Depth in mm 0 mm
Height in mm 44 mm
6 Customer Ratings
  • 5
  • 4
  • 3
  • 2
  • 1
4.5 /5
  • handling
  • features
  • sound
  • quality
Total
quality
features
handling
sound
Bestes Preisleistungsverhältnis für die Menge an analogen Outputs
10.03.2017
We have screened all available multichannel audio interfaces for the best price per output channel (43 ¤ per channel). We were very lucky that it did turn out to be a MOTU ?

We use the device for multichannel 3D audio loudspeaker setups in combination with the MNTN 3D audio software. For this purpose, it's still not easy to find interfaces with enough output channels for a reasonable price.

For the audio quality, it's MOTU as we know it. No concerns for all the critical aspects. A minor thing is that it's hard to get started without taking a quick look at the manual. That's why we spend only four stars on usability. However, that's how we know MOTU devices, too. But still, it's almost plug-and-play.

A big plus is the possibility to combine up to 5 devices to end up with 120 output channels (=loudspeakers) from one single computer. The scalability not only counts for practical purposes, but also for the budget.

A minus: The ads on the MOTU product website did let us understand that the device could be connected to a Mac directly via ethernet cable. Until now, we couldn't figure out how that might work. However, USB works fine or course.

Here is an article comparing other multichannel audio interfaces to connect a bunch of loudspeakers to you computer: https://mntn.rocks/news/2016/06/16/how-you-connect-a-bunch-of-loudspeakers-to-your-computer
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fr Original review (Show translation)
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erreurs de conception
Frederic6273, 29.03.2015
j'ai acquis la pire 24 AO AI dans le but d'avoir 64 Io

tout d'abord on découvre qu'au final on ne peux router sur usb que 24 sur 64... moyen.. en gros les 24 in/out analogiques.. c'est domage car il y a 3x2 set de ports ADATS en plus !! donc 48 in/out en plus

firmare truffé de bugs, perte de la cnx à l'admin du truc lorsque connecté en USB.. finalement aprés 3 firemare update en 2 mois bonnes nouvelles

64 in/out routable sur usb au final, enfin

plus de perte de connexion aux cartes...

par contre gros défaut de conception, les in/out ne marchent pas sous mac (pas testé sur d'autres os) en effet si l'on met en 1ere la 24Ai les 64 1ere input sont numérotés 1 a 64, comme la 24 AO arrive derriere, les sorties correspondantes par exemple au 24 Input analog sont numérotées de 65 a 87 !! impossible d'utiliser de mémoire, a chaque fois que l'on plug un effet pour l'utiliser en bloucle, il faut aller à la peche sous xls pour connaitre les in/out a utiliser !!
pareil sur les adats, rien ne martche et le support motu s'en moque totallement, ce produit n'a pas du tout été fait pour être utilisé comme le fait à savoir uniquement les in/out mais en standalone, en mixant tout dans leur soft, qui à l'air bien au deumeurant
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de Original review (Show translation)
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MOTU AVB
HRepp, 25.04.2017
Ich hatte bisher MOTU 1248, MOTU 24AI.

Jetzt habe ich mir ein MOTU 24AO dazugenommen.
Damit der Zusammenschluss funkt habe ich auch einen AVB-Switch benötigt.

Installation easy
Nach dem Zusammenschluss über den AVB-Switch ist das System stabiler als vorher (vorher manchmal Problem dass die IP der Interfaces nicht im Browser gefunden wurde bzw verloren ging).
Weiterer Vorteil: die ADAT's stehen wieder als zusätzliche IOs zur Verfügung

Konfiguration:
Durch den Einsatz von AVB ist das sehr komfortabel
Trotzdem ist die Konfiguration durch die vielen Möglichkeiten komplex.
Eine Möglichkeit der Färbung der Kanäle oder Gruppen wäre sehr hilfreich.

Klang:
Diese MOTU-AVB-Teile klingen alle sehr gut und neutral.
Der neutrale Klang ist für mich von Vorteil, da ich großteils über ein großes Midas Pult in die Wandler komme und da eine "Färbung" reicht.
Wenn ich einen anderen Klang will hänge ich einen alternativen Vorverstärker über Line oder ADAT rein.
Also alle Möglichkeiten.

Weiteres:
Hervorragend geringe Latenz.

Preis/Leistung:
sehr gut

Die ganze AVB Systematik ist generell eine ziemlich geniale Sache.

Einziger Kritikpunkt:
Thunderbolt auf Win-PC - kommt nicht ins Laufen

Dringender Wunsch:
auch AVB-Treiber/Hardware für WinPC
(ist bei Mac angeblich möglich)
Damit wäre viele Vorteile gegeben.
z.B. Abstand von PC zu Interface bis zu "100" Meter möglich.
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fr Original review (Show translation)
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Parfait pour une installation fixe.
Simon Nicolas, 12.02.2020
Utilisée en studio avec une 24AI, elles sont parfaites et d'une stabilité à toute épreuve.
Les deux sont simplement reliées entre elles avec un câble ethernet, et sont configurées pour apparaître comme une seule et même interface audio.
Les réglages peuvent être protégés par mot d passe, ce qui est très utile dans mon cas (studio son dans une école).
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