Document Outline

• 1) Read these instructions.
• 2) Keep these instructions.
• 3) Heed all warnings.
• 4) Follow all instructions.
• 5) Do not use this apparatus near water.
• 6) Clean only with a dry cloth.
• 7) Do not block any ventilation openings. Install in accordance with the manufacturer’s instructi...
• 8) Do not install near any heat sources such as radiators, heat registers, stoves, or other appar...
• 9) Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has...
• 10) Protect the power cord from being walked on or pinched, particularly at plugs, convenience re...
• 11) Only use attachments/accessories specified by the manufacturer.
• 12) Use only with a cart, stand, bracket, or table specified by the manufacturer, or sold with th...
• 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 ...
• 15) To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
• Table of Contents
  • 1 Welcome
  • 1.1 Features
  • 1.2 How to Use This Manual
    • Figure 2.1 D-45 and D-75A Dimensions
    • Figure 2.2 Installation
    • Figure 2.3 Balanced Input Connector Wiring
    • Figure 2.4 Unbalanced Input Connector Wiring
    • Figure 2.5 Output Connector Wiring
    • Figure 2.6 System Wiring for Dual Mode
    • Figure 2.7 System Wiring for Bridge-Mono Mode
      • 2 Setup
  • 2.1 Unpack Your Amplifier
  • 2.2 Install Your Amplifier
  • 2.3 Ensure Proper Cooling
  • 2.4 Choose Input Wire and Connectors
  • 2.5 Choose Output Wire and Connectors
    • Distance
    • Wire Size
      • up to 25 ft.
      • 16 AWG
      • 26-40 ft.
      • 14 AWG
      • 41-60 ft.
      • 12 AWG
      • Over 60 ft.
      • 10 AWG
  • 2.6 Wire Your System
    • 2.6.1 Dual Mode
    • 2.6.2 Bridge-Mono Mode
  • 2.7 Connect to AC Mains
    • 2.7.1 AC Mains Voltage Configuration
  • 2.8 Startup Procedure
• 2 Setup
• 2 Setup
• 2 Setup
  • Figure 3.1 Front and Back Views
  • Figure 3.2 Indicators and Level Controls
    • 3 Operation
  • 3.1 Precautions
• 3 Operation
  • 3.2 Controls, Indicators and Connectors
  • 3.3 Indicators
  • 3.4 Controls
  • 3.5 Fuse Replacement
• 3 Operation
  • 4 Advanced Features and Options
  • 4.1 Protection
  • 4.2 Options
    • 4.2.1 Bridge-Mono Option
    • 4.2.2 Input-Sensitivity Option
      • 5 Troubleshooting
  • 5.1
  • 5.2
  • 5.3
  • 5.4
    • 6 Specifications
  • Minimum Guaranteed Power
  • D-45
  • D-75A
  • Performance
  • D D-455
  • D- D-75AA
  • Configuration and Load (ohms)
    • FTC Continuous Average Power at 0.1% THD (See note 1)
    • Max. Average Power at 0.1% THD (See note 2)
    • Single-Cycle Tone Burst Watts at < 0.05% THD (See note 3)
    • 40 mS Tone Burst Watts at < 0.05% THD (See note 4)
    • EIA Watts at 1% THD (See note 5)
    • 20Hz-20kHz
    • 1 kHz
    • 1 kHz
    • 20 Hz
    • 50 Hz
    • 1 kHz
    • 20 Hz
    • 50 Hz
    • 1 kHz
    • 1 kHz
    • Dual (both channels driven)
    • 4
    • 45
    • 50
    • 55
    • 65
    • 85
    • 120
    • 65
    • 70
    • 70
    • 55
    • 8
    • 35
    • 40
    • 40
    • 45
    • 50
    • 60
    • 45
    • 45
    • 45
    • 40
    • 16
    • 25
    • 25
    • 25
    • 25
    • 30
    • 30
    • 25
    • 25
    • 25
    • 25
    • Bridge-Mono (balanced output)
    • 8
    • 95
    • 105
    • 110
    • 140
    • 165
    • 235
    • 140
    • 140
    • 140
    • 105
    • 16
    • 70
    • 75
    • 80
    • 90
    • 100
    • 130
    • 90
    • 90
    • 95
    • 75
• 6 Specifications
  • Configuration and Load (ohms)
    • FTC Continuous Average Power at 0.1% THD (See note 1)
    • Max. Average Power at 0.1% THD (See note 2)
    • Single-Cycle Tone Burst Watts at < 0.05% THD (See note 3)
    • 40 mS Tone Burst Watts at < 0.05% THD (See note 4)
    • EIA Watts at 1% THD (See note 5)
    • 20Hz-20kHz
    • 1 kHz
    • 1 kHz
    • 20 Hz
    • 50 Hz
    • 1 kHz
    • 20 Hz
    • 50 Hz
    • 1 kHz
    • 1 kHz
    • Dual (both channels driven)
    • 4
    • 35
    • 40
    • 50
    • 75
    • 55
    • 60
    • 60
    • 35
    • 8
    • 20
    • 25
    • 25
    • 25
    • 30
    • 35
    • 40
    • 40
    • 40
    • 25
    • 16
    • 20
    • 20
    • 20
    • 20
    • 20
    • 20
    • 20
    • 20
    • 20
    • 20
    • Bridge-Mono (balanced output)
    • 8
    • 70
    • 85
    • 105
    • 145
    • 85
    • 85
    • 85
    • 70
    • 16
    • 40
    • 50
    • 50
    • 50
    • 60
    • 70
    • 50
    • 50
    • 55
    • 50
      • Figure 6.1 D-45 Power Matrix
      • Figure 6.2 D-75A Power Matrix
        • 7 Service
    • 7.1 Worldwide Service
    • 7.2 US and Canada Service
      • 7.2.1 Service at a US or Canada Service Center
      • 7.2.2 Factory Service
      • 7.2.3 Factory Service Shipping Instructions:
    • Owner’s Name :
    • Shipping Address:
    • Phone Number: ________________________________Fax Number: ________________________________ Email
    • Model: __________________________________________________________________________________ Serial ...
    • Purchase Date :
    • NATURE OF PROBLEM
    • (Be sure to describe the conditions that existed when the problem occurred and what attempts were...
    • Other equipment in system:
    • If warranty has expired, payment will be: £ Cash/Check £ Visa £ Master Card £ C.O.D. £ Purchase O...
    • Card Number:___________________________________ Exp. Date:___________________
    • Signature:______________________________________________________________________
    • ENCLOSE THIS PORTION WITH THE UNIT. DO NOT MAIL SEPARATELY.
• 8 Warranty
  • 8 Warranty