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Audiolab 9000A: Check why the displayed digital rate differs from the source

Audiolab 9000A — Check why the displayed digital rate differs from the source. Follow the exact documented route and keep the actual result.

Manufacturer-documented Reviewed 2026-11-09 · Revision 1

Follow these checks in Audio Fix →

When this guide applies

Exact Audiolab 9000A. Only a known enabled Upsampling option; no claim that a higher displayed rate means a higher-resolution source. Only normal external user controls; no mains modification, chassis opening, reset or firmware installation.

Connection scope: Optical digital audio · USB audio. Symptom: An option or codec is missing.

This is a documented check, not a diagnosis of your equipment. The model name does not confirm the selected input, mode, software or connected partner.

If your exact model or a required setting is unknown, use the “I don’t know” branch below. Do not apply a similarly named model’s instructions.

Checks and possible outcomes

Start at scope. Follow the link that matches what you actually observe. Alternative branches are not a single sequence of actions.

scope

Confirm the exact setup

Is Upsampling currently On, and are you trying to compare playback without that processing?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented Audiolab 9000A Owner’s Manual ↗Upsampling, PDF p10 — 9000A automatically upsamples incoming SPDIF or PC USB to 352.8 or 384 kHz; the Upsampling menu permits turning this off.Exact 9000A. · Source checked 2026-11-09

a1

Open Upsampling

Open MENU and select Upsampling.

Look for: Perform this one check and observe the actual response.

  • Manufacturer-documented Audiolab 9000A Owner’s Manual ↗Upsampling, PDF p10 — 9000A automatically upsamples incoming SPDIF or PC USB to 352.8 or 384 kHz; the Upsampling menu permits turning this off.Exact 9000A. · Source checked 2026-11-09

a2

Disable the known enabled option for the comparison

Select Off. Keep the original setting recorded so you can restore your preferred configuration afterward.

Look for: Perform this one check and observe the actual response.

  • Manufacturer-documented Audiolab 9000A Owner’s Manual ↗Upsampling, PDF p10 — 9000A automatically upsamples incoming SPDIF or PC USB to 352.8 or 384 kHz; the Upsampling menu permits turning this off.Exact 9000A. · Source checked 2026-11-09

result

Check the actual result

Does the behaviour now match playback without the documented upsampling step?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented Audiolab 9000A Owner’s Manual ↗Upsampling, PDF p10 — 9000A automatically upsamples incoming SPDIF or PC USB to 352.8 or 384 kHz; the Upsampling menu permits turning this off.Exact 9000A. · Source checked 2026-11-09

Possible result

Confirm the unknown detail first

Do not infer a source setting, installed cartridge, connector role, software state or partner capability. Obtain the exact documentation before continuing.

insufficient data

Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

    Possible result

    Keep the actual observation for support

    Record the exact model, source, input and last observed response. These checks do not diagnose a failed component. No reset, service work or blind update is prescribed.

    next support

    Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

      Possible result

      Checks completed — keep the observed result

      This records the observation in this particular setup, not a guaranteed cure, physical Audio Review test or measurement.

      steps completed

      Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

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