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Universal Audio Apollo Twin X DUO

Thunderbolt 3 interface with 2 Unison preamps, Hi-Z input, monitor/headphone outs and ADAT/S/PDIF optical; up to 24-bit/192 kHz.

Original local schematic for Universal Audio Apollo Twin X DUO
ORIGINAL LOCAL SCHEMATIC // TB3 • OPTICAL • 2 PRE

Model-specific specifications

Exact model / scopeUniversal Audio Apollo Twin X DUO. Preserve Console/UAD setup and compatible Thunderbolt chain; verify DUO generation, optical mode and phantom.
Bus / hostThunderbolt host connection; verify controller, cable, generation and OS in the manufacturer compatibility guide.
Documented functions / connectorsThunderbolt 3 interface with 2 Unison preamps, Hi-Z input, monitor/headphone outs and ADAT/S/PDIF optical; up to 24-bit/192 kHz.
Conversion / formatsConversion rates and digital channel capacity depend on model, rate and optical format.
Drivers / OSUse the linked model-specific manufacturer support/manual page. Driver and supported OS availability depends on release; no undocumented OS compatibility is asserted.
Power / microphoneUse the documented mic preamp phantom controls; line-only products have no phantom.

Compatibility & preservation

Preserve Console/UAD setup and compatible Thunderbolt chain; verify DUO generation, optical mode and phantom.

  • Photograph model/revision, connectors and included accessories before service.
  • Retain the matching manual, driver/firmware and known-working host/routing configuration.
  • Follow documented signal levels, connector pinout and power requirements; physical fit alone is not compatibility.

Manufacturer sources

  1. Manufacturer product information — Universal Audio Apollo Twin X DUOProduct/model source; match the exact revision and board.
  2. Manufacturer support and documentationOfficial model documentation, drivers and OS compatibility information.