SD9 Fitting Fourier Interface Option Card (TN652)

24 March 2026 09:27 Updated

FITTING FOURIER ® OPTION

Important Note: These instructions provide guidance for installing the Fourier interface card in the SD9 console. This technical note is intended solely for use by factory‑approved technicians.

Preparations

Read the instructions carefully before starting, and leave yourself time to perform the work.

Before proceeding, first check the version of software and computer hardware in use.

Confirm the software version currently installed on the mixer. This information is displayed at the bottom of the Master Screen when the mixer is operational.

If the existing mixer system is V760 (or below) and it is not intended to purchase Core 2 be aware V760 does not support Fourier and the option should NOT be fitted. Contact local support for advice.

Console is required to run v2126 to be able to support the Fourier Interface Card.

The console should be fitted with 8GB drive and 1GB RAM, which can be ordered with the Fourier Interface Update Kit.

Generally, mixers built and supplied after Mid 2013 are fitted with 8GB drive and 1GB RAM.

Ensure you have taken appropriate anti-static precautions

Avoid working in areas with synthetic floor coverings or carpet, especially polypropylene material, as opposed to natural materials such as solid wood or wool. Ideally work at a proper workbench with ESD safe features, such as a metal frame. Before work, try to discharge yourself into a mains earth fitment, water pipe etc.

This is important as parts of the equipment are static sensitive and even if any damage is not immediately obvious, so called “latent damage” can occur, where a device may be partially degraded yet continue to perform its intended function. However, the operating life of the device may be reduced dramatically, leading to premature failure.

If you are unsure about any part of the procedure, seek advice before proceeding.

You will need to have the following tools to hand:

Pozi screwdriver PZ1
2mm Hexagonal driver (Allen key)
4mm Hexagonal driver (Allen key)

You should also have:

A Fourier transform.engine or another Dante audio device for post installation testing.

Before you start, shut down the console, switch it off and remove the power leads.

If the console was previously fitted with a Waves card, please consult TN244 to remove it.

Note: These instructions are illustrated with a Mk 2 engine PCB, built up after 2013. Older mixers use the Mk 1 PCB which has small differences, notably a different colour main PCB which will be red.

Procedure

Accessing the Console Interior

Remove the upper surface section by first removing the end cheeks; these are secured by 4 hex drive (4mm AF) bolts. Note the bolts are not all the same length and should go back in their original positions.

Next remove the 6x hex drive (2mm AF) screws that hold the upper surface panel in place.

Lift the panel carefully and use a support to keep it lifted so the installation can be performed.

ONLY if required to update the computer hardware, locate the CPU assembly and remove the four securing screws, take care not to drop any washers from the screws into the console. Remove the CPU assembly.

Remove the Flash drive and replace with the Flash drive supplied in the kit. The new Flash drive is supplied with a power cable. Check connector orientation when unplugging and replugging.

Place the CPU assembly on a suitable surface PCB side up and remove the three screws securing the heatsink. Lift off the PCB and place it down with the component side up. Release the clips securing the RAM module and remove the RAM module.

Fit the RAM module included in the kit; clip it down securely under the retaining clips at each end. Re fit the heatsink and three securing screws.

Re-fit the CPU assembly, making sure all four connectors click home; only after fitting the CPU replace the securing screws tightening them down evenly. DO NOT use the screws to draw the CPU to the base PCB.

Fourier Interface Card Installation

Before fitting the Fourier interface module, remove all four screws on the back holding the blanking plate or waves card (if previously fitted) and place the sticker provided with the kit (see picture below).

Inside the mixer locate where the Fourier interface will be installed.

Fit the Fourier Interface module to the rear panel, using the screws provided.

Connect the ribbon and power cable to the Fourier PCB.

Connect the other end of the ribbon cable into the main engine, use the connector (marked CN5 Aux I/O).

Reassembling the mixer

Reattach the upper surface section to the console, using the disassembly instructions at the start of this document if needed.

Test the mixer functions

On completion of the work, connect the mixer to power and carry out a functional test to confirm that the display and controls operate correctly before refitting the panels.

After the test, shut down the mixer and switch off the power.

Secure the panel with screws.

Software Setup Notes

To enable Fourier Card:

1. On main screen click on ‘Options’.

2. Once Options window is open click and select on ‘Console’.

3. Click on ‘Fourier’ to enable.

4. Close and restart the console.

5. On the next boot, verify the Fourier port is enabled on the Audio I/O.

Ensure the card is set to the same sample rate as the console in Dante Controller. This cannot be controlled by the Console application software.

Fourier Interface Card Specifications

• The Fourier Interface Card provides 64 channels in and 64 channels out at 48kHz or 96kHz to the Dante network.

• The card does not feature Sample Rate Conversion so make sure that the console sample rate and the Dante sample rate of the card (set in Dante controller) match or it could end up with distortion/clicking/no audio.

• The Fourier Interface card cannot be used to control socket parameters (phantom power and gain) of DQ Racks or A168D/A164D Racks.

Associated Documentation Downloads

TN652 SD9 Fourier Interface Card Installation.pdf

1 MB

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