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Theta Digital Dreadnaught D Owner's Manual

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THETA DIGITAL
D r e a d n a u g h t D
Owner's Manual

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Summary of Contents for Theta Digital Dreadnaught D

  • Page 1 THETA DIGITAL D r e a d n a u g h t D Owner’s Manual...

  • Page 2: Preface

    In the unlikely event that you have to return your Dreadnaught D to the factory for service, or if you send it to us for updating, the original packaging will best protect the unit from shipping damage.

  • Page 3: Warning

    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.

  • Page 4: Dreadnaught D Identification Record

    Dreadnaught D Identification Record This information is for your records and for future identification of the Dreadnaught D. 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 DREADNAUGHT D, FIRST TURN OFF THE POWER AND THEN DISCONNECT THE AC POWER CORD. WHEN INSTALLING THE DREADNAUGHT D IN YOUR SYSTEM, MAKE CERTAIN TO ALLOW A MINIMUM OF ½ INCH OF VENTILATION ON EACH SIDE OF THE UNIT. ALSO ALLOW AT LEAST 3 INCHES OF VENTILATION SPACE ABOVE THE UNIT.

  • Page 6: Table Of Contents

    WARNING ......................... iii Dreadnaught D Identification Record ................. iv SAFETY PRECAUTIONS ....................v INTRODUCTION ......................1 Getting to know your Dreadnaught D ................. 1 Burn-In Time ......................1 Reference Manual Conventions..................1 IMPORTANT NOTICE ..................... 2 Front Panel Layout ....................... 3 Front Panel Layout –...

  • Page 7: Introduction

    INTRODUCTION Getting to know your Dreadnaught D This Dreadnaught D 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 Dreadnaught D.

  • Page 8: Important Notice

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

  • Page 9: Front Panel Layout

    Front Panel Layout Figure 1a - Front Panel Layout 1. STANDBY button. After the left-hand (when viewed from the front of the amplifier) rear-panel POWER switch is turned on, press the front panel STANDBY button to exit the standby mode. The channels in the two left most slots (when viewed from the front of the amplifier) will come out of standby.

  • Page 10: Front Panel Layout - Rackmount Option

    Front Panel Layout – Rackmount Option Figure 1b – Rackmount Front Panel Layout 1. STANDBY button. After the left-hand (when viewed from the front of the amplifier) rear-panel POWER switch is turned on, press the front panel STANDBY button to exit the standby mode. The channels in the two left most slots (when viewed from the front of the amplifier) will come out of standby.

  • Page 11: Rear Panel Layout

    D. One has a single NC-1200 N-Core amplifier card installed. The other offers bridged mono performance using two NC-1200 N-Core cards. Please see items 10 and 11 for markings as to which is installed in your Dreadnaught D. 10. BRIDGED MONO AMPLIFIER INDICATOR. A green mark here indicates the use of a bridged mono amplifier module.
  • Page 12 14. 220 – 240V INDICATOR. A green mark here denotes the amplifier is ready for 220 to 240 V operation. 15. GROUNDING LUG. Used to interconnect chassis of associated components if necessary. 16. REMOTE TRIGGER. 17. MASTER POWER SWITCH. Disconnects AC to all circuits. If power switch 1 is set to OFF, controls the right hand amplifier slots only.

  • Page 13: Operation

    Single and Two channel Modules The 4 slots of the Dreadnaught D can be loaded with any combination of 4 modules. Those available are single (mono), two channel (stereo) and bridged (mono). Each module can be inserted into any of the four rear-panel slots.

  • Page 14: Appendix A Troubleshooting Guide

    Appendix A Troubleshooting Guide If the Dreadnaught D 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...

  • Page 15: Appendix B Specifications

    Appendix B Specifications Analog Audio Inputs 1 Single-ended RCA jack per channel. 1 Balanced (XLR) jack per channel Input Impedance 47 kOhms. Single-ended or Balanced for each phase Input Sensitivity (Single-Ended) 1.825 V RMS input for 225W into 8 ohms (Balanced) 1.825V RMS input for 225W into 8 ohms Gain (Single-Ended or Balanced) 27.8 dB...
  • Page 16 (5 Year optional extended service contract) Theta Digital, 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.

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