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Summary of Contents for Kramer PA-225NET
- Page 1 K R A ME R E LE CT R O N IC S L TD . PRELIMINARY USER MANUAL MODEL: PA-225NET Power Amplifier P/N: 2900-300408 Rev 1...
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Page 3: Table Of Contents
Figure 4: Connecting a Balanced 6.5mm Phone Jack Figure 5: Connecting an unbalanced RCA Input Figure 6: Connecting an unbalanced 6.5mm Phone Jack Figure 7: Connecting the Remote Volume Control Figure 8: Connecting Galil 6-C Speakers to the PA-225NET PA-225NET – Contents... -
Page 4: Introduction
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: ... -
Page 5: Getting Started
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) ... -
Page 6: Safety Instructions
Safety Instructions Caution: There are no operator serviceable parts inside the unit Use only the Kramer Electronics power supply that is Warning: provided with the unit Disconnect the power and unplug the unit from the wall Warning: before installing PA-225NET - Getting Started... -
Page 7: Overview
Overview The Kramer PA-225NET is a high performance, networked power amplifier that accepts Dante a network and two balanced, mono audio inputs on 3-pin terminal blocks and converts the signal into a differential stereo audio output for speakers on a 4-pin terminal block. -
Page 8: Defining The Pa-225Net Power Amplifier
Defining the PA-225NET Power Amplifier Figure 1 defines the rear panel of the PA-225NET Power Amplifier. Figure 1: PA-225NET Power Amplifier Rear Panel Feature Function Priority is given to the Dante network signal, (see Section 6.2) PRIORITY Switch LOCAL Priority is given to the Local input... -
Page 9: Connecting The Pa-225Net
Connecting the PA-225NET Always switch off the power to each device before connecting it to your PA-225NET. After connecting your PA-225NET, connect its power and then switch on the power to each device. Figure 2: Connecting the PA-225NET Power Amplifier... -
Page 10: Wiring The Inputs
6. Connect a remote, momentary mute-switch to the Remote 4-pin terminal block, (pins Mute and GND). 7. Connect the speakers to the Speaker 4-pin terminal block. 8. Connect the power adapter to the PA-225NET and plug the power adapter into the mains power supply. Wiring the Inputs Your PA-225NET is provided with a 3-pin terminal block for its input connection. -
Page 11: Figure 3: Connecting A Balanced Xlr Input
When using an unbalanced input source, a jumper must be added between the negative (–) and ground terminals. The unbalanced source is connected to the positive (+) and ground terminals. Note: A jumper is required for connecting an unbalanced input. Figure 5: Connecting an unbalanced RCA Input PA-225NET - Connecting the PA-225NET... -
Page 12: Connecting The Remote Controls
The following diagram illustrates how to connect the W-LM Remote Volume Control to the PA-225NET. Note: The remote volume control overrides the level control on the rear of the device. Figure 7: Connecting the Remote Volume Control PA-225NET - Connecting the PA-225NET... -
Page 13: Connecting Speakers
Connecting Speakers The following table details the cable requirements for connecting the PA-225NET to speakers. Distance m (ft) Wire Gauge (AWG) Up to 7 (25) 7.5 to 12 (26 to 40) 12 to 18 (41 to 60) The speakers must be connected to the PA-225NET as shown in... -
Page 14: Operating The Pa-225Net
Local, priority is given to the Local Input. In the absence of a signal on the priority input, the secondary input is automatically selected after about three seconds. PA-225NET - Operating the PA-225NET... -
Page 15: Troubleshooting
The PWR LED does not light. Check that the power adapter is plugged into a functioning outlet and that the adapter is correctly connected to the PA-225NET. No output is heard from the speakers; the CLIP LED lights. Check that the level control and remote volume control are not turned down. -
Page 16: Technical Specifications
15.6cm x 11.2cm x 6.8cm (6.14" x 4.41" x 2.68") W, D, H WEIGHT: 0.28 kg (0.62lbs) approx. SHIPPING WEIGHT: 0.9 kg (1.98lbs) approx. INCLUDED Power adapter ACCESSORIES: Specifications are subject to change without notice at http://www.kramerelectronics.com PA-225NET - Technical Specifications... - Page 19 For the latest information on our products and a list of Kramer distributors, visit our Web site where updates to this user manual may be found. We welcome your questions, comments, and feedback. Web site: www.kramerelectronics.com E-mail: info@kramerel.com SAFETY WARNING...
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