Kramer VM-50AN Manuel utilisateur

Kramer Electronics, Ltd.

USER MANUAL

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Model:

VM-50AN

1:5 Audio Distributor

Contents

Introduction 1

Getting Started 1

2.1

Quick Start 1

Overview 3

Your Audio VM-50AN 1:5 Distributor 4

Using Your VM-50AN 1:5 Audio Distributor 4

5.1

Connecting the VM-50AN as a Balanced Stereo 1:5 Audio Distributor 5

5.2

Connecting the VM-50AN as an Unbalanced Stereo 1:5 Audio Distributor 6

5.3

Connecting the VM-50AN as a 1:10 Audio Distributor 7

Technical Specifications 8

Figures

Figure 1: VM-50AN 1:5 Audio Distributor 4

Figure 2: Connecting the VM-50AN as a Balanced Stereo 1:5 Audio Distributor 5

Figure 3: Connecting the VM-50AN as an Unbalanced Stereo 1:5 Audio Distributor 6

Figure 4: Connecting the VM-50AN as a 1:10 Audio Distributor 7

Tables

Table 1: Front Panel VM-50AN 1:5 Audio Distributor Features 4

Table 2: Technical Specifications of the VM-50AN 1:5 Audio Distributor 8

Introduction

1 Introduction

Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been

providing a world of unique, creative, and affordable solutions to the vast

range of problems that confront the video, audio, presentation, and

broadcasting professional on a daily basis. In recent years, we have

redesigned and upgraded most of our line, making the best even better! Our

1,000-plus different models now appear in 11 groups

that are clearly defined

by function.

Congratulations on purchasing your Kramer VM-50AN 1:5 Audio

Distributor, which is ideal for the following typical applications:

Video/Audio duplication studios and retail outlets

Any audio system requiring multiple outputs from a single source

The package includes the following items:

VM-50AN 1:5 Audio Distributor

Power adapter (12V DC Input)

This user manual

2 Getting Started

We recommend that you:

Unpack the equipment carefully and save the original box and packaging

materials for possible future shipment

Review the contents of this user manual

Use Kramer high performance high resolution cables

2.1 Quick Start

This Quick start chart summarizes the basic setup and operation steps.

1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems; GROUP 4:

Format/Standards Converters; GROUP 5: Twisted-Pair Solutions; GROUP 6: Specialty AV Products; GROUP 7: Scan

Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Connectivity; GROUP 10: Accessories and

Rack Adapters; GROUP 11: Sierra Products

2 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com

3 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Getting Started

Overview

3 Overview

The Kramer VM-50AN is a high-performance distribution amplifier for

balanced and unbalanced stereo audio signals. It takes one balanced or

unbalanced stereo input and distributes the signal simultaneously to 10 stereo

outputs (five balanced and five unbalanced).

In addition, the VM-50AN:

Includes a balanced/unbalanced input selection button

Features left and right level (gain) controls

Operates as a stand-alone distributor, or as a companion to other Kramer

“50” series products like the VM-50V video DA, or the VM-50YC

s-Video DA

The VM-50AN is housed in a desktop sized enclosure. Two units can be rack

mounted side-by-side with the optional RK-1 adapter in a 1U rack space.

To achieve the best performance:

Connect only good quality connection cables, thus avoiding interference,

deterioration in signal quality due to poor matching, and elevated noise

levels (often associated with low quality cables)

Avoid interference from neighboring electrical appliances and position

your VM-50AN away from moisture, excessive sunlight and dust

Caution – No operator-serviceable parts inside unit.

Warning – Use only the Kramer Electronics input power

wall adapter that is provided with this unit

Warning – Disconnect power and unplug unit from wall

before installing or removing device or servicing unit.

1 For example: model number AD2512C, part number 2535-000251

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Your Audio VM-50AN 1:5 Distributor

4 Your Audio VM-50AN 1:5 Distributor

Figure 1 illustrates the front and rear panels of the VM-50AN. Table 1

defines the front and rear panels of the VM-50AN.

Figure 1: VM-50AN 1:5 Audio Distributor

Table 1: Front Panel VM-50AN 1:5 Audio Distributor Features

# Feature Function

1 POWER Switch Illuminated switch supplying power to the unit

2 INPUT MODE BAL/UNBAL Button When released, selects the balanced stereo audio input

when pushed in, selects the unbalanced stereo audio

3 RIGHT LEVEL Trimmer Adjusts

the right output signal level

4 LEFT LEVEL Trimmer Adjusts

the left output signal level

5 INPUT 3.5mm Mini Plug Connector Connects to the unbalanced audio source

6 INPUT Terminal Block Connector Connects to the balanced audio source

7 OUT 3.5mm Mini Plug Connector Connects to the unbalanced audio acceptor (from 1 to 5)

8 OUT Terminal Block Connector Connects to the balanced audio acceptor (from 1 to 5)

9 12 VDC 200mA +12V DC connector for powering the unit

5 Using Your VM-50AN 1:5 Audio Distributor

This section describes how to connect the VM-50AN as:

A balanced stereo 1:5 audio distributor, see section 5.1

An unbalanced stereo 1:5 audio distributor, see section 5.1

A 1:10 audio distributor, see section 5.3

1 Insert a screwdriver into the small hole and carefully rotate it, trimming the appropriate OUTPUT level

Using Your VM-50AN 1:5 Audio Distributor

5.1 Connecting the VM-50AN as a Balanced Stereo 1:5 Audio Distributor

To connect

and operate the VM-50AN as a balanced stereo 1:5 audio

distributor, as the example in Figure 2 illustrates, do the following

1. Connect the balanced stereo audio source to the INPUT terminal block

connector.

2. Connect up to five balanced stereo audio acceptors to the OUT terminal

block connectors.

3. Connect the 12V DC power adapter to the power socket, connect the

adapter to the mains electricity, and then turn on the power switch.

4. Release the BAL/UNBAL INPUT MODE button to select balanced stereo

audio operation.

5. Adjust

the right and/or left output signal level, if required.

Figure 2: Connecting the VM-50AN as a Balanced Stereo 1:5 Audio Distributor

1 Switch OFF the power on each device before connecting it to your VM-50AN. After connecting your VM-50AN, switch on

its power and then switch on the power on each device

2 You do not have to connect all the outputs

3 Insert a screwdriver into the hole and carefully rotate it, to trim the level

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Using Your VM-50AN 1:5 Audio Distributor

5.2 Connecting the VM-50AN as an Unbalanced Stereo 1:5 Audio

Distributor

To connect

the VM-50AN as an unbalanced stereo 1:5 audio distributor, as

the example in Figure 3 illustrates, do the following

1. Connect the unbalanced stereo audio source (for example, a PC sound

card) to the INPUT mini 3.5mm socket.

2. Connect up to five unbalanced stereo audio acceptors to the OUT mini

3.5mm sockets.

3. Connect the 12V DC power adapter to the power socket, connect the

adapter to the mains electricity, and then turn on the power switch.

4. Push in the BAL/UNBAL INPUT MODE button to select unbalanced

stereo audio operation.

5. Adjust

the right and/or left output signal level, if required.

Figure 3: Connecting the VM-50AN as an Unbalanced Stereo 1:5 Audio Distributor

1 Switch OFF the power on each device before connecting it to your VM-50AN. After connecting your VM-50AN, switch on

its power and then switch on the power on each device

2 You do not have to connect all the outputs

3 Insert a screwdriver into the hole and carefully rotate it, to trim the level

Using Your VM-50AN 1:5 Audio Distributor

5.3 Connecting the VM-50AN as a 1:10 Audio Distributor

To connect the VM-50AN as a 1:10 audio distributor, as the example in

Figure 4 illustrates, do the following

1. Connect either (but not both simultaneously

) the:

Balanced stereo audio source to the INPUT terminal block connector

(and release the BAL/UNBAL INPUT MODE button to select

balanced stereo audio operation), or

Unbalanced stereo audio source to the INPUT mini 3.5mm socket (and

push in the BAL/UNBAL INPUT MODE button to select unbalanced

stereo audio operation)

2. Connect up to

10 acceptors, as follows:

5 balanced stereo audio acceptors to the OUT terminal block

connectors, and

5 unbalanced stereo audio acceptors to the OUT mini 3.5mm sockets

3. Connect the 12V DC power adapter to the power socket, connect the

adapter to the mains electricity, and then turn on the power switch.

4. Adjust

the right and/or left output signal level, if required.

Figure 4: Connecting the VM-50AN as a 1:10 Audio Distributor

1 Switch OFF the power on each device before connecting it to your VM-50AN. After connecting your VM-50AN, switch on

its power and then switch on the power on each device

2 Both formats cannot be connected to the machine at the same time, as they share some of the input connections

3 Outputs may be connected or left unconnected

4 Insert a screwdriver into the hole and carefully rotate it, to trim the level

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Technical Specifications

6 Technical Specifications

Table 2 includes the technical specifications.

Table 2: Technical Specifications

of the VM-50AN 1:5 Audio Distributor

INPUTS: 1 balanced stereo +4dBm 50kon detachable terminal block connector

1 unbalanced stereo 1Vpp/50kon mini 3.5mm socket

OUTPUTS: 5 balanced stereo +4dBm 50on detachable terminal block connectors

5 unbalanced stereo +22dBm 470on mini 3.5mm sockets

MAX. OUTPUT LEVEL: >24dBm

BANDWIDTH: >100kHz; fully loaded

S/N RATIO: 84dB, unweighted

CONTROLS: Level (for right and left): 0.4dB to 9.5dB

COUPLING: Input: AC; Output: DC

AUDIO THD + NOISE: 0.022% @1kHz, Balanced Output

AUDIO 2nd HARMONIC:

0.002% @1kHz, Balanced Output

POWER SOURCE: 12VDC 200mA

DIMENSIONS: 16.5cm x 12cm x 4.5cm (6.5” x 4.7” x 1.7”, W, D, H)

WEIGHT: 0.6kg (1.3lbs) approx.

ACCESSORIES: 12V DC power supply

OPTIONS: RK-1 19" rack adapter

1 Specifications are subject to change without notice

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