Description
IS4250P 4 x 250W Power Amplifier with Ethernet Control
4 x 250W Power Amplifier
Ethernet, DSP, Dante® Support
• 4 x 250W power amplifier
• 4 ohm, 70V and 100V output options
• Class D topology
• Ethernet Control
• Embedded ALMA Control Software accessible using any HTML5 web browser
• Full DSP – Input Matrix, Filters, Parametric Eq, Compressor / limiter, Delay, Mute, Inversion
• 4 software configurable general purposes input/outputs
• ErP(1275/2008/EC) Low Power Standby (<2W)
• 4 Input, 4 Output Dante® support using expansion card DM4x4
• Additional 4 Analogue line inputs using expansion card ANALOGUE4
| Output Power per Channel | 250W | Frequency Response | 75Hz – 16kHz |
| Output Channels | 4 | THD+N | < 0.02% (-3dB) |
| Output Mode | 4 Ohm-70V-100V | Signal to Noise Ratio | > 100dB |
| Input Voltage | 100-240Vac 50-60Hz | Input Sensitivity | 1Vrms |
| Mounting | 2RU | Cooling | Fan-assisted |
| Warranty | 5 years |
| Product Dimensions (W x D x H) | 483mm x 389mm x 89mm | Shipping Dimensions (W x D x H) | 546mm x 491mm x 197mm |
| Net Weight | 16.0 Kg | Shipping Weight | 18.6 Kg |
| GTIN EAN | 9323383020009 |
The mixer stage allows you to sum together all the analogue and Dante inputs to each amplifier output.
In order to add a channel into the mix, go to the AUDIO page and select the MIXER SETUP.
Unmute the desired input channel and increase the volume slider to the desired level.
Ensure that any unused channels are muted to maximise the signal to noise ratio of the mixer stage.
The port number can also be change in the ALMA software if required.
Slow Flash = Standby (On 50ms, off 4s)
Flash Code = Error Code. (LED Off for 2s followed by a flash count of the error code, On for 300ms, Off for 300ms. Multiple errors will be indicated in consecutive error sequences.)
Refer to the Fault Finding section of the manual to fix any errors displayed.
The network configuration will all be restored to factory defaults listed below:
DHCP Mode = True
DHCP Default IP = 192.168.1.10
HOSTNAME =
http://ausmonitorABC123/ (Windows)
http://ausmonitorABC123.local/ (MacOS X)
Note: Replace “ABC123” with the last 6 letters/numbers of the products unique MAC address
The MAC address can be found on the rear panel of the amplifier, Example: 08:8F:2C:AB:C1:23
The account login settings will all be restored to factory defaults listed below:
Username: admin
Password: admin
The network configuration, user account data and audio settings will be set back to the factory default values.
CLASS-D AMPLIFIER
The ISP amplifiers use an efficient Class-D amplifier topology allowing a greater power density with a much lower weight.
All amplifier channels offer 100V, 70V and 4Ω output options so you can choose the output configuration to match your application.
NETWORK CONTROL
The ISP amplifiers all feature an Ethernet network port to allow easy configuration of the device and the ability to remotely control and modify the amplifier.
ALMA CONTROL SOFTWARE
The ALMA control software is embedded into the amplifier and requires no software installation.
Featuring a clean, easy to use interface it allows you to setup and monitor the amplifier from PCs, tablets and mobile phones with ease.
To view a DEMO of the control software go to the IS4250P Demo.
INTEGRATED DIGITAL SIGNAL PROCESSING
The ISP amplifiers include a full DSP engine with the following features,
• Input Matrix
• High, Low, All-Pass Filters
• Parametric Equalisers
• Compressor/limiters
• Delay
• Mute
• Inversion
GENERAL PURPOSE INPUT/OUTPUTS
The ISP features four GPIO ports for use with the following functions,
• VCA Volume Control input using an RC1 Remote Volume Control
• Amplifier Output/s Muting through contact closure
• Recalling of presets through contact closure
• Reading status of amplifier signal level outputs
DM4X4 MODULE
Expand the capabilities of the ISP amplifier with the optional DM4x4 Module.
The DM4x4 provides 4 Dante™ input channels and 4 output channels.
The amplifier analog inputs can also be routed back on to the Dante™ network providing a powerful capability to network the local input sources.
FALLBACK REDUNDANCY
Ensure that your system never stops performing by using fallback redundancy.
Monitor the audio level of any input and if it falls below a user-settable level it will automatically switch to another input source.
If the audio returns from the failed channel the amplifier will seamlessly switch back to that input source.
ANALOGUE4 MODULE
The ISP amplifiers can expand their analogue inputs for greater mixing possibilities using the ANALOGUE4 Module.
This provides an additional 4 analogue audio inputs to the ISP for expanded mixing possibilities.
ERP COMPLIANT WITH AUTO STANDBY FUNCTION
The ISP series is a complaint to the European Energy-related product (ErP) Directive consuming less than 2 watts in standby mode.
Featuring an auto-standby mode, the ISP can detect loss of input signal and enter standby.
The ISP can then awake when the input signal exceeds a user-settable threshold.
Select your next power amplifier to be the most efficient possible and reduce running costs.
3RD PARTY CONTROL
Take further control of the ISP amplifiers with 3rd party system support over both TCP and UDP protocols.
The ISP has a full suite of documentation to integrate the ISP with your control solution.
3rd party control systems which already integrate the ISP amplifiers,
• Neets Project Designer
• Xilica Designer
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