IPX Series DSP Multichannel Networking Power
Amplifier
Controls, indicators, and connections | en
15
Bosch Security Systems, Inc.
Installation manual
2018.04 | 01 | F.01U.330.705
Figure
6.3: Control port
6.4
Power outputs
The output connectors on IPX series are in Euroblock type for 4 channels (IPX5:4, IPX10:4,
IPX20:4) respectively 8 channels (IPX10:8). This allows an easy pre-wiring of the cables
outside the rack and a fast - one connection for multiple channels at once, without the danger
of wiring errors. Cabling requires class 3 wiring. The operation modes (normal, bridge,
parallel, parallel-bridge can be set in the DSP menu.
Normal mode cabling
The speaker is connected to the resp and - pole. The correct connection is also
indicated at the amplifiers rear panel.
Normal mode
Figure
6.4: Normal mode
Bridge mode cabling
In Bridge mode both amp channels work in push-pull operation to provide doubled output
voltage. In bridge mode operation speaker connection has to be established using pins 1+ and
2+, resp. 3+ and 4+, (5+ and 6+, 7+ and 8+ on IPX10:8), see illustration.
!
Caution!
In Bridge mode operation, it is not allowable for the load connected to all below a value of 4
ohms. Extremely high voltages can be present at the output. The connected speaker systems
must be able to handle such voltages. Make sure to completely read and fully observe power
rating specifications of the speaker systems to be used and to check them against the output
power capacity of the power amp.
Property damage and/or personal injury may occur.
Parallel mode cabling
In parallel mode two amplifier channels are coupled to deliver double the output current,
while the maximum voltage is the same as an individual channel, see illustration.
Summary of Contents for IPX10:4
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