
Contents
1 Introduction 1
2 Getting Started 2
2.1 Achieving the Best Performance 2
2.2 Safety Instructions 3
3 Overview 4
4 Defining the PA-225NET Power Amplifier 5
5 Connecting the PA-225NET 6
5.1 Connecting the PA-225NET 6
5.2 Wiring the Inputs 7
5.3 Connecting the Remote Controls 9
5.4 Connecting Speakers 10
6 Operating the PA-225NET 11
6.1 Indicators 11
6.2 Setting the Priority Switch 11
7 Troubleshooting 12
8 Technical Specifications 13
Figures
Figure 1: PA-225NET Power Amplifier Rear Panel 5
Figure 2: Connecting the PA-225NET Power Amplifier 6
Figure 3: Connecting a Balanced XLR Input 8
Figure 4: Connecting a Balanced 6.5mm Phone Jack 8
Figure 5: Connecting an unbalanced RCA Input 8
Figure 6: Connecting an unbalanced 6.5mm Phone Jack 9
Figure 7: Connecting the Remote Volume Control 9
Figure 8: Connecting Galil 6-C Speakers to the PA-225NET 10

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 14 groups that are clearly defined
by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix
Switchers; GROUP 3: Control Systems; GROUP 4: Format/Standards Converters;
GROUP 5: Range Extenders and Repeaters; 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 and
GROUP 11: Sierra Video Products; GROUP 12: Digital Signage; and GROUP 13:
Audio, and GROUP 14: Collaboration.
Congratulations on purchasing your Kramer PA-225NET Power Amplifier, which is
ideal for the following typical applications:
Dante™ network applications
Presentation rooms and multimedia applications for local audio amplification
Personal audio listening (for example, a PC and portable CD player)

PA-225NET - Getting Started
Go to http://www.kramerav.com/downloads/PA-225NET to check for up-to-
date user manuals, application programs, and to check if firmware
upgrades are available (where appropriate).
This equipment is to be used only inside a building. It may only be
connected to other equipment that is installed inside a building.
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 cables.
Use only the power adapter that is supplied with this machine
2.1 Achieving the Best Performance
To achieve the best performance:
Use only good quality connection cables (we recommend Kramer high-
performance cables) to avoid interference, deterioration in signal quality due
to poor matching, and elevated noise levels (often associated with low
quality cables)
Do not secure the cables in tight bundles or roll the slack into tight coils
Avoid interference from neighboring electrical appliances that may adversely
influence signal quality
Position your Kramer PA-225NET away from moisture, excessive sunlight
and dust

PA-225NET - Getting Started
There are no operator serviceable parts inside the unit
Use only the Kramer Electronics power supply that is
provided with the unit
Disconnect the power and unplug the unit from the wall
before installing
2.2 Safety Instructions