Theta Digital Intrepid Owner's Manual

Theta digital stereo amplifier owner's manual intrepid

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THETA DIGITAL
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Owner's Manual

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Summary of Contents for Theta Digital Intrepid

  • Page 1 THETA DIGITAL I n t r e p i d Owner’s Manual...
  • Page 2: Preface

    External cooling fans may be required in some cases. Do not stack any equipment directly above or below the Intrepid to protect it from overheating, as well as to protect the continued functionality of equipment near and around it.
  • Page 3 The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of significant magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.
  • Page 4: Intrepid Identification Record

    Intrepid Identification Record This information is for your records and for future identification of the Intrepid. Please take a moment to fill out all pertinent data now, and as upgrades and/or options are installed. Whenever upgrades, inquiries and/or changes are requested, the serial number will be required.
  • Page 5: Safety Precautions

    BEFORE MAKING ANY CONNECTIONS TO THE INTREPID, FIRST TURN OFF THE POWER AND THEN DISCONNECT THE AC POWER CORD. WHEN INSTALLING THE INTREPID IN YOUR SYSTEM, MAKE CERTAIN TO ALLOW A MINIMUM OF ½ INCH OF VENTILATION ON EACH SIDE OF THE UNIT.
  • Page 6: Table Of Contents

    PREFACE ... i WARNING ... ii Intrepid Identification Record... iii SAFETY PRECAUTIONS ... iv INTRODUCTION... 1 Getting to know your Intrepid ... 1 Burn-In Time... 1 Reference Manual Conventions ... 1 IMPORTANT NOTICE... 2 Intrepid Block Diagram ... 3 Front Panel Layout ... 4 Rear Panel Layout...
  • Page 7: Introduction

    INTRODUCTION Getting to know your Intrepid This Intrepid has been put through a rigorous and unique testing procedure that ensures that it will last for many years with minimal service requirements. This procedure includes the following: All assembled circuit boards are given a thorough visual inspection and are then tested in a bench- reference Intrepid.
  • Page 8: Important Notice

    IMPORTANT NOTICE It is imperative that the Intrepid be connected to a ground via its three wire AC power cord. It is important that the AC power outlet, which the Intrepid is plugged into, is actually grounded. Failure to do so will severely compromise the performance, reliability and safety of use of the Intrepid.
  • Page 10: Front Panel Layout

    STANDBY LED. Illuminates red when the power amplifier is in STANDBY, green when the amplifier is active. THERMAL LED. Illuminates when any channel’s temperature rises above the maximum operating temperature and puts the Intrepid into standby. Figure 2 - Front Panel Layout...
  • Page 11: Rear Panel Layout

    STANDBY REMOTE TRIGGER jack. When the rear panel STANDBY TRIGGER jack receives a 5-12 VDC pulse the Intrepid will change its mode from either standby to operate, or operate to standby, depending on its current mode.
  • Page 12: Operation

    Intrepid does NOT have internal circuitry with a common ground. Connect a 12V pulse trigger source to the trigger input of the Intrepid, if it is desired to be taken in and out of standby via another device.
  • Page 13: Appendix A Troubleshooting Guide

    Appendix A Troubleshooting Guide If the Intrepid should function abnormally during operation, please review the items in the following checklist. Please be sure to thoroughly check all other connected components such as speakers, preamplifiers, as well as cables. Symptom Possible Cause(s)
  • Page 14: Appendix B Wiring Diagram

    Consult your speaker manufacturer to ensure that any speaker in your system that will be connected to the Intrepid does NOT have internal circuitry with a common ground. Damage will occur if the negative terminal is connected to ground, or to a terminal of...
  • Page 15: Appendix Crs232 Protocol

    Example: 1) To put the Intrepid into standby: Send FE, EE, 01, 00, 00, 00 (all values in Hex). Where FE and EE are the header, 01 = command, 00 = main standby, 00 = put unit in standby and 00 = filler...
  • Page 17 RS232 Hardware Connections Figure 5 – Intrepid RS232 Jack Pinout...
  • Page 18: Rs232 Jumper Settings

    Figure 6 – Intrepid RS232 Jumper Settings RS232 Jumper Settings There are 2 possible Baud rates: 9600 and 19200. The factory default is 19200. To change the baud rate to 9600, move the jumper to the center and top pins (if the RS232 board is orientated as in figure 6).
  • Page 19: Appendix D Specifications

    Appendix D Specifications Inputs: Analog audio: 1 Single-ended per channel (RCA). 1 Balanced per channel (XLR). Input Impedance: Input sensitivity: Gain: Polarity: Outputs: Analog Audio: 1 balanced output per channel. RS232: 1 DB9 and 1 RJ45 connector. Modes/Processes: Standby: All channels are muted and output bias is reduced to 40%. Thermal: One or more channels has overheated;...
  • Page 20 Theta Digital Corporation, henceforth referred to as Theta, warrants the product designated herein to be free of manufacturing defects in material and workmanship, subject to the conditions set forth herein, for a period of 90 days from the date of purchase by the original purchaser, henceforth referred to as purchaser. If the purchaser registers the unit with Theta by mailing in the warranty card, together with a copy of the bill of sale, within 14 days of the date of purchase, said purchaser will be registered for an extended service contract.

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