Jensen Iso-Max JT-MS-8N2, JT-MS-8N3 User Manual

JT-MS-8N2

8 Channel 2 Way Microphone Splitter

with Phantom Power Circuitry

USER MANUAL

Revision 1.0

Table of Contents

Section 1 - Introduction ..........................................

Section 2 - Installation

2.1 Circuit Description and Jumper Settings

Figure 2.1 - Schematic Diagram ................................ 4

2.1.1 Reference Designators ........................................ 4

2.1.2 Input / Output Connections ..................................... 4

2.1.3 Phantom Power Circuitry and Switches ............................ 4

2.1.4 Ground Lift Circuitry and Switches ............................... 5

2.2 Power and Ground Wiring

2.2.1 Chassis and Groundplane Connections ............................ 5

2.2.2 Phantom Power Supply Connections ............................. 5

2.3 Input and Output Wiring

2.3.1 Input Wiring ................................................. 6

2.3.2 Output Wiring ............................................... 6

Figure 2.3 - Component Layout ................................ 6

2.4 Mounting

2.4.1 Rack Panel Mounting.......................................... 7

2.4.2 Bulkhead Panel Mounting...................................... 7

Figure 2.4.1 - Rack Panel Drilling Guides ..................... 7

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Section 3 - Specifications and Physical Dimensions

3.1 Electrical Specifications

3.1.1 Frequency Response .......................................... 8

3.1.2 Level Handling and Distortion ................................... 8

3.1.3 Input Impedance ............................................. 8

3.1.4 Losses ..................................................... 8

3.1.5 Common Mode Rejection Ratio.................................. 8

3.1.6 Phantom Power Requirements .................................. 8

3.2 Mechanical and Environmental Specifications

3.2.1 Dimensions ................................................. 9

Figure 3.2.1 - Mechanical Dimensions ........................... 9

3.2.2 Weight ..................................................... 9

3.2.3 Temperature Range and Humidity ............................... 9

Section 4 - Warranty

.................................................... 10

Printed in U.S.A. Copyright © 2001, Jensen Transformers, Inc.

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Section 1 - Introduction

The Jensen JT-MS-8N2 provides 8 channels of extremely high quality 2 way microphone
splitting with 48 Volt phantom power individually selectable on each channel. This functionality is
provided in a compact 11.35"W x 4.75"H x 2.25"D package allowing 7 units (56 channels) to be
mounted vertically on a 7U size rack panel (see Figure 2.4.1). Excellent frequency response and
extremely low distortion are provided by the Jensen JT-MB-CPC microphone splitting transformers
that are used in the JT-MS-8N2.

Features:

• 8 Channels of Microphone Splitting/Isolation

• Removable Screw Terminal I/O Connectors

• Input, Direct Output and 1 Isolated Output per Channel

• Individual Faraday Shields on All Inputs and Outputs for Maximum Noise Immunity

• Ground Lift Switches Provided for Input and Output

• Switchable Phantom Power Circuitry Provided on all Channels

• Typical Distortion of only 0.001% at 1kHz

• Extremely Wide 0.8Hz to 100kHz Bandwidth

• Compact Form Factor Allows High Packaging Density

• Rugged Steel Frame and 0.093" PCB Provide Added Durability

Printed in U.S.A. Copyright © 2001, Jensen Transformers, Inc.

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