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MOTU 828es

MOTU 828es is a rack interface with Thunderbolt 2, USB 2.0, AVB networking, and onboard routing. Older-generation Thunderbolt needs host/adapter verification.

Original local technical illustration for MOTU 828es
ORIGINAL LOCAL SCHEMATIC // 828es / TB2 + AVB

Model-specific specifications

ProductMOTU 828es; distinct from 828x, 828mk3, and newer 828.
HostThunderbolt 2 and USB 2.0; AVB Ethernet provides network audio/control, not Thunderbolt.
AnalogTwo mic/line combo inputs, eight balanced line outputs, two headphone outputs and monitor connections per manual.
DigitalADAT/TOSLink, coaxial S/PDIF and AES/EBU I/O. 28-in/32-out total depends on rate, optical mode, and routing.
Conversion24-bit conversion up to 192 kHz; digital channel capacity changes by format/rate.
Preamps/MIDITwo mic preamps with switchable 48 V and 5-pin DIN MIDI I/O. Observe phantom precautions.
SoftwareMOTU drivers/firmware are OS-version specific. Verify current macOS/Windows support and Thunderbolt host chain.

Compatibility & preservation

Keep original supply, Thunderbolt 2 cable, AVB/network settings and routing preset. A connector adapter alone cannot ensure Thunderbolt compatibility. Save firmware and optical-mode/clock notes before migrating.

  • Photograph the model/revision label, connector panel, and installed/bundled accessories before service.
  • Retain manufacturer manuals, original driver/firmware packages, and known-working configuration notes with the hardware.
  • Use the specified signal level, connector wiring, and power requirements; connector fit alone does not prove compatibility.

Manufacturer sources

  1. MOTU — 828esManufacturer manual index; select the 828es user guide for connectivity, AVB, I/O and routing details.
  2. MOTU — technical documentationManufacturer guide/firmware/driver archive; choose 828es.