Dynacord IPX 20 4 [29/32] Block diagram
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Dynacord IPX 20 4 [29/32] Block diagram

Dynacord IPX 20 4 [29/32] Block diagram
IPX Series DSP Multichannel Networking Power
Amplifier
Technical data | en 29
Bosch Security Systems, Inc. Installation manual 2018.04 | 01 | F.01U.330.705
8.7 Block diagram
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4P
5 . . . 8
OFF
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FAILOVER
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1P
5P / 5F
4F
8P / 8F
.
.
for Impedance Meas.
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-
+
1
2
3
4
Channel 5 - 8 (only IPX10:8)
5 ... 8
-
+
-
+
-
+
1F
2P
2F
3P
3F
2 3 4
1 2
1 2 3 4
Input 5 - 8 (only IPX10:8)
SOURCE
TRIM
SOURCE
TRIM
SOURCE
TRIM
SOURCE
TRIM
1
2
3
4
same as 1 - 4
1
2
3
1
2
1
2
3
3
1
INPUT 1…4 (1…8 @ IPX10:8)
OUTPUT 1…4 / CURRENT 1…4 (1…8 @ IPX10:8)
DSP Clock
IPX10:8
IPX10:8
OUTPUT METER
GAIN REDUCTION
INPUT METER
IPX10:8
IPX10:8
IPX10:8
DANTE 1
DANTE 8
MONITOR 1
MONITOR 2
Channel 1 - 4
same as 1 - 4
5 . . . 8
5 . . . 8
PRIMARY
FAILOVER
3 4
1
At Dante GLITCHFREE
redundancy mode the
SECONDARY port may
have limited OCA control
data support!
ANALOG 1
ANALOG 2
ANALOG 3
ANALOG 4
ANALOG 5
ANALOG 6
ANALOG 7
ANALOG 8
SOURCE SELECT
1 … 4
5 … 8
1 … 4
5 … 8
PRIMARY
SOURCE
TRIM
PRIMARY
SECONDARY
SOURCE
TRIM
2
3
Input 1 - 4
ARRAY
CONTROL
USER
CONTROL
AMP
CTRL
ARRAY
CONTROL
AMP
CTRL
ARRAY
CONTROL
AMP
CTRL
ARRAY
CONTROL
AMP
CTRL
TEST GENERATOR
Sine / Pink / White
Pre/Mix
Pre/Mix
Pre/Mix
Pre/Mix
Post/Mix
Post/Mix
Post/Mix
Post/Mix
USER
CONTROL
USER
CONTROL
USER
CONTROL
ADC
ADC
Pilot
Detect
& Filter
Pilot
Detect
& Filter
Pilot
Detect
& Filter
Pilot
Detect
& Filter
OMNEO
OCA
Network
Interface
+
DANTE
Source Fail
Detection
+
+
+
+
Output Pilot
Supervision
Load
Supervision
see below
optional
Link
SPEAKER
PROCESSING
SPEAKER
PROCESSING
SPEAKER
PROCESSING
op!onal
Link
optional
Link
ADC
Pilot
Detect
& Filter
ADC
Pilot
Detect
& Filter
see below
SPEAKER
PROCESSING
DELAY
0 to 2000 ms
(686 mtr / 2252 ft)
LEVEL
MUTE
DELAY
0 to 500 ms
(172 mtr / 563 ft)
POLARITY
LEVEL
TRIM
SPEAKER PROCESSING
IIR EQ and X-Over, FIR, Delay, Polarity, Trim,
Peak-Limiter, RMS-Limiter with thermal modelling
LINEAR PHASE EQ
(FIR-based EQing, requires
appropriate control so"ware!)
AMP LIMITERS
& PROTECTIONS
USER CONTROL
only accessible by remote control software
accessible by front panel & remote control
no user access
AMPLIFIER CONTROL
SPEAKER PROCESSING
ARRAY CONTROL
MODE
NORMAL / BRIDGE* /
PARALLEL / PAR-BRIDGE*
DRIVE
Low-Z / 70V / 100V
/ 140V* / 200V*
GAIN
typ. 32dB
@ Low-Z
*) not available in all models or operation modes
optional
Link
optional
Link
optional
Link
EQUALIZER
12 x PEQ / Loshelv / Hishelv / Hipass / Lopass / Notch
(Bands 11 & 12 with additional Asymmetric Shelving)
EQUALIZER
5 bands PEQ / Loshelv / Hishelv
/ Hipass / Lopass / Allpass
configured via speaker settings
MODE
Parallel
Parallel
MODE
MODE
Pilot Tone
op!onal
Link
op!onal
Link
IPX AUDIO SIGNAL FLOW
accessible by remote control software and front panel interface for LEVEL and MUTE
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Figure8.1: Block diagram: IPX

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