Kramer PA-225NET Preliminary User'S Manual Download | Manualshive

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PA-225NET - Getting Started

3

2.2

Safety Instructions

Caution:

There are no operator serviceable parts inside the unit

Warning:

Use only the Kramer Electronics power supply that is
provided with the unit

Warning:

Disconnect the power and unplug the unit from the wall

before installing

!

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Summary of Contents for PA-225NET

Page 1: ...KRAMER ELECTRONICS LTD PRELIMINARY USER MANUAL MODEL PA 225NET Power Amplifier P N 2900 300408 Rev 1 ...

Page 2: ......

Page 3: ...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...

Page 4: ...lifiers 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 Co...

Page 5: ...te 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 nei...

Page 6: ...Instructions Caution There are no operator serviceable parts inside the unit Warning Use only the Kramer Electronics power supply that is provided with the unit Warning Disconnect the power and unplug the unit from the wall before installing ...

Page 7: ...and converts the signal into a differential stereo audio output for speakers on a 4 pin terminal block The PA 225NET Power Amplifier features Dante and analog local inputs 2 x 25W into 8Ω 2 x 35W into 4Ω A balanced line level output Independent volume control per input Priority switching between the Dante and local inputs The PA 225NET Power Amplifier is housed in a Kramer TOOLS enclosure ...

Page 8: ...ct to the remote 10kΩ volume control for example the W LM and mute switch see Section 5 3 6 ON LED Lights blue when the device receives power 7 SIGNAL LED Lights green when there is an input signal present 8 CLIP 1 LED Lights red when the signal clips on the first input signal 9 CLIP 2 LED Lights red when the signal clips on the second input signal 10 POWER 2 pin Terminal Block Connect to the 48V ...

Page 9: ...ion 5 1 Wiring the inputs see Section 5 2 Connecting the remote controls see Section 5 3 5 1 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 i ...

Page 10: ...te 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 5 2 Wiring the Inputs Your PA 225NET is provided with a 3 pin terminal block for its input connection This connector can accept either a balanced or an unbalanced ...

Page 11: ...one Jack 5 2 2 Wiring Unbalanced Inputs 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 ...

Page 12: ...mm Phone Jack 5 3 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 ...

Page 13: ... details the cable requirements for connecting the PA 225NET to speakers Distance m ft Wire Gauge AWG Up to 7 25 16 7 5 to 12 26 to 40 14 12 to 18 41 to 60 12 The speakers must be connected to the PA 225NET as shown in Figure 8 Figure 8 Connecting Galil 6 C Speakers to the PA 225NET ...

Page 14: ...d The input signal is being clipped 6 2 Setting the Priority Switch The Priority switch determines which input takes priority in the event that there are two live input signals When the switch is set to NET priority is given to the Dante network signal when the switch is set to Local priority is given to the Local Input In the absence of a signal on the priority input the secondary input is automa...

Page 15: ...G LED lights to denote a signal If there is no signal detected check the signal source and that the level controls are set high enough Amplifier overheats and or shuts down Check the CLIP LED on the rear of the amplifier to see if the signal is overdriving the signal light flashes red frequently Overdriving the amplifier for extended periods can cause a thermal shutdown Output sound is distorted o...

Page 16: ... RESPONSE 3dB 30Hz to 20kHz BANDWIDTH 3dB 30Hz to 30kHz S N RATIO 100dB AUDIO THD NOISE 0 1 SLEW RATE 30V ms CONTROLS 2 Screw trimmers for line input sensitivity remote 10kΩ volume control contact closure control for mute EXTERNAL MUTE 5 12V DC LED INDICATORS Power Signal present Clip 1 and Clip 2 POWER CONSUMPTION Standby 3 3W Idle current draw 6 9W 1 8 current draw 14 2W DIMENSIONS 15 6cm x 11 2...

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Page 19: ...isit 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 Disconnect the unit from the power supply before opening and servicing P N 2900 300408 Rev 1 ...

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