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Stewart Audio DSP 4x4 Operation Manual

Audio digital signal processor
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DSP 4x4 Operation Manual
1 Important safety instructions
1. Please read carefully prior to product installation or operation.
2. Read these instructions.
3. Keep these instructions.
4. Heed all warnings.
5. Follow all instructions.
6. Do not use this apparatus near water.
7. Clean only with dry cloth.
8. Do not block any ventilation openings. Install in accordance with manufacturer's instructions.
9. Do not install near any heat sources such as radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce heat.
10. The unit should only be connected to 120-240VAC, 50-60 Hz power supply. Use only the
power adapter that is sold with the unit.
11. Protect the power cord from being walked on or pinched particularly at plugs, convenience
receptacles, and the point they exit from the apparatus.
12. Only use attachments/accessories specified by the manufacturer.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has
been damaged in any way, such as power-supply cord or plug is damaged, liquid has been
spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or
moisture, does not operate properly, or has been dropped.
DSP 4x4 Operations Manual Rev E
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Summary of Contents for Stewart Audio DSP 4x4

  • Page 1 DSP 4x4 Operations Manual Rev E Page 1 Table of Contents...

  • Page 2: Explanation Of Warning Symbols

    Clean regularly with a soft cloth to remove dust and debris. Also check that vent holes and slots are not covered and that there is adequate ventilation for convection cooling. DSP 4x4 Operations Manual Rev E Page 2 Table of Contents...
  • Page 3 Warranty Information ..........................11 Warranty Summary ........................11 Eligibility Requirements ......................11 Non-warranty Repairs......................... 12 10 Return Procedure ............................. 12 10.1 Shipment Instructions ........................ 12 10.2 Packaging Instructions ........................ 12 DSP 4x4 Operations Manual Rev E Page 3 Table of Contents...

  • Page 4: Unpacking And Visual Inspection

    There are a number of different mounting options for the DSP 4x4 to meet a variety of installation requirements. 5.3.1.1 Pole Mounting The DSP 4x4 has mounting holes on the top of the unit which can be used with the AV-Pole bracket available from Stewart Audio. Part Number: AV-Pole...

  • Page 5: Rack Mounting

    (RMK-CMP-S) and a dual rack mount (RMK- CMP-D). These can be ordered from your Stewart Audio dealer, or directly from Stewart Audio. The following diagrams show how these are attached to the DSP. Use care not to over-tighten the screws.

  • Page 6: Product Dimensions

    When using a balanced input source and connector, you must ensure that the hot, cold, and ground pins of the connector are matched up to the +, -, and ground pins of the DSP 4x4’s Phoenix connector respectively. Diagrams have been provided for standard XLR and TRS connectors.

  • Page 7: Output Connections

    Pre-wired unbalanced connectors are available for purchase from Stewart Audio. The summing adapters will properly sum a stereo source for use with the mono input on the rear of the DSP 4x4 without causing sound cancellation. Part numbers are found below the diagrams.
  • Page 8 Section 5.3.3 5.3.5 RS-232 Connection Your DSP 4x4 can be controlled using the RS–232 connection on the rear of the device. For the available RS–232 commands, see below. All communications should be performed at 9600 baud, 8 bits, 1 stop bit, no parity, and no flow control.

  • Page 9: Controls And Indicators

    6. Phantom Power Indicator LEDs: illuminate when phantom power is applied to the corresponding channel (in DSP Control Center program) 7. RS-232 Connector (3.5mm): connect to RS-232 controller (optional) DSP 4x4 Operations Manual Rev E Page 9 Table of Contents...

  • Page 10: Technical Specifications

    1.7” x 6.2” x 4.0”  4.3cm x 15.7cm x 10.3cm  Weight 0.6 lbs (0.3kg)  Regulatory CE and FCC compliant  Environmental RoHS Warranty ----------------------------------------------------------  3 years DSP 4x4 Operations Manual Rev E Page 10 Table of Contents...

  • Page 11: Troubleshooting

    9 Warranty Information 9.1 Warranty Summary All Stewart Audio products and accessories, unless excluded in this summary, are covered by a 3- year limited warranty on parts and labor from the data of purchase. In order to be eligible for warranty repairs, the products and accessories must have been purchased through an authorized Stewart Audio dealer and submitted by the original purchaser.

  • Page 12: Non-Warranty Repairs

    NOTE: Any defective products received without an RA number will be returned to sender at their expense. If Stewart Audio is unable to contact the sender in 14 days, the merchandise will be considered scrap and may be disposed of.
  • Page 13 1. Please write the RA number on three sides of the box. Include the Stewart Audio RA number inside the box and a brief description of the problem.

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