Inter-m OT-4240 Operating Manual
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Inter-m OT-4240 Operating Manual

Inter-m OT-4240 Operating Manual

Output transformer unit
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OT-4240/OT-4480/OT-4960
Output Transformer Unit
Copyright 2004 Inter-M Corporation

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Summary of Contents for Inter-m OT-4240

  • Page 1 OT-4240/OT-4480/OT-4960 Output Transformer Unit Copyright 2004 Inter-M Corporation...

  • Page 2: Table Of Contents

    Welcome ... 3 Unpacking ... 3 Warnings ... 3 Operation... 5 Output Transformer Unit ... 6 Features ... 6 Rear Panel Controls ... 7 Connections... 8 Block Diagram (OT-4960)... 9 Block Diagram (OT-4240 / OT-4480) ... 10 Specifications... 11 Contents...

  • Page 3: Welcome

    A personal welcome to you from the management and employees of Inter-M Thank you for purchasing this fine Inter-M product. All of us here at Inter-M are dedicated to providing you with the highest quality products and the best value.
  • Page 4 OT-4240/OT-4480/OT-4960 Output Transformer Unit 8. Do not install near any heat sources such as radiators, heat registers, stoves, or other devices (including amplifiers) that produce heat. 9. Do not defeat the safety purpose of the polarized or grounding type plug. A polarized plug has two blades, with one wider than the other.

  • Page 5: Operation

    OT-4240/OT-4480/OT-4960 Output Transformer Unit Operation Make certain that speakers and input sources are properly connected before switching Keep volume levels at minimum gain before switching on.

  • Page 6: Output Transformer Unit

    Output Transformer Unit Features Bring Distributed Audio to Your System • Transforms the 4Ω output of the Inter-M QD-4240/QD-4480/QD-4960 to a 70V or 100V output level for use with high-impedance speaker systems. Flexible Operation • Four independent channels allow for four mono or two stereo zones.

  • Page 7: Rear Panel Controls

    Rear Panel Controls 1. Amp Input Terminals These terminals are connected to the output of a low-impedance amplifier like the Inter-M QD-4240 (4Ω/60W), QD-4480 (4Ω/120W) or QD-4960 (4Ω/240W). 2. Speaker Output Terminals These output terminals may be connected with high-impedance distributed speaker systems.

  • Page 8: Connections

    OT-4240/OT-4480/OT-4960 Output Transformer Unit Connections...

  • Page 9: Block Diagram (Ot-4960)

    OT-4240/OT-4480/OT-4960 Output Transformer Unit Block Diagram (OT-4960)

  • Page 10: Block Diagram (Ot-4240 / Ot-4480)

    OT-4240/OT-4480/OT-4960 Output Transformer Unit Block Diagram (OT-4240 / OT-4480)

  • Page 11: Specifications

    Specifications ELECTRICAL Rated Output OT-4240 OT-4480 OT-4960 Input OT-4240 OT-4480 OT-4960 Frequency Response GENERAL Weight OT-4240 OT-4480 OT-4960 Dimensions OT-4240/OT-4480 OT-4960 Specifications and design subject to change without notice for improvements. 25V(10.4Ω), 70V(81.7Ω), 100V(166.7Ω) 25V(5.2Ω), 70V(40.8Ω), 100V(83.3Ω) 70V(20.4Ω), 100V(41.6Ω) 4Ω/60W 4Ω/120W...
  • Page 12 Korea and China, and sales and marketing operations located in Japan, Europe, and the U.S.A. With more than 850 employees around the globe, Inter-M is well-poised for further growth and expansion.

This manual is also suitable for:

Ot-4480Ot-4960

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