AMX-9-DSP4-ACD
The preamp mixer AMX-9-DSP4-ACD is a digital automatic preamp with 8 universal inputs on XLR (MIC/LINE by DIP switch), USB/SD MP3 player with BT receiver, 10 input PEQ and 5 output PEQ, audio matrix, de-esser with functions FULL, SPLIT, AIR, delays, feedback limiter and many more.
With compressor expander limiter function.
The AMX-9DSP4-ACD automatic preamplifier is specifically designed for professional PA applications in acoustically challenging buildings (building acoustics).
The pre amp is used where most other devices do not produce positive results or a whole rack of system components would need to be built to provide a reasonable acoustical result.
The 8 universal inputs can be switched between MIC and LINE sensitivity by DIP switches. Each of the 8 universal inputs has switchable phantom power and an HPF filter (100 Hz).
The universal inputs are equipped with a switchable automatic microphone system, DIGITAL SIGNAL DELAY FIELD system (DSDF). The activation only of the microphones being addressed is automatic and is controlled and monitored by the processor system (DSDF). Unnecessary open microphone channels are closed.
Through the input matrix (DIP switch), all 8 input channels can be assigned to the MAINSUM-1 DSP outputs 1 to 3 and MAINSUM-2 to the DSP outputs 1 to 3 and 4.
The built-in MP3 player module with BT receiver (including IR remote control) has inputs for USB sticks and a SD memory card and will optimally accompany you during the operation. The integrated BT receiver supports all popular Bluetooth-enabled devices and allows you to wirelessly transfer music or pre-made texts from your mobile phone, PC or MP3 player to the amplifier and play it.
All settings of the matrix, the DSDF system, priority or conference programming can be found in the device description.
Specials
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Input audio matrix "MAINSUM-1" and "MAINSUM-2"
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COMPRESSOR LIMITER EXPANDER function
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De-esser with FULL, SPLIT, AIR function
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USB/MP3 player with BT receiver
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8 inputs on XLR (MIC.-LINE via DIP switch)
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LINE input (LINE-9 IN) on RCA
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8 x input GAIN control
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10 input parametric EQ
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2 PRESETS
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Digital NOISE-GATE and LIMITER (software)
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CROSSOVER (assignment of inputs 1 to 7 to output 4, or inputs 8 to 9 to output 4)
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Calendar function (automatic switching to PRESETS-2)
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RS 485 REMOTE interface for wired remote control, manual switching between the presets
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4 x 5 output parametric EQ, 4 delays, 4 volume controls and auto feedback limiter (sum)
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4 DSP outputs, output no. 4 can be configured as X-Over SUB output
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PRE-MASTER EQ output (balanced to XLR)
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4 x POST-MASTER outputs DSP (balanced to XLR)
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PRE-MASTER input (balanced to 3-pin jack)
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Connection for wired remote control INPUT PANEL PRESET (RJ 45)
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INFO-OUT PRESET 2 (controller with 2 NO contacts) for e.g. connection of additional speaker lines with PRESET 2
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Output RECORD for recording devices
- System software EASY-MANAGER 2.0
Technical Details
| Audio output |
MIX OUT, POST MASTER, PRE MASTER, REC OUT |
| Ambient temperature |
-5 to + 40C |
| Attachment |
19" mounting angle (L/R) |
| Audio input line |
Unbalanced LINE IN to RCA (input 9) or LINE-IN jack, (0.1V-1.5V) |
| Automatic mixer |
DIGITAL SIGNAL DELAY FIELD, BARRIER GATE, GATE OPEN CONTROL |
| Automatic MODES |
yes, automatic activation preset-2, day / week / month / year programs |
| Colour |
graphite |
| Conference configuration / priority |
yes by hardware config. (DIP switch) for inputs 1 to 8 |
| Construction |
The amplifier is suitable both as table version and for 19" mounting (3U) |
| DeEsser |
FULL-SPLIT and AIR function |
| Delay |
4 x delays (OUT 1-4) and internal power amplifiers in the range of 0.0 to 249.75 mS, 84 m |
| Delay (system) |
up to 170 meters |
| Digital & analog volume controls |
Analog for channels 1 to 9, digital for outputs 1 to 4 |
| Dimension |
443 mm (W) x 135 mm (H) x 340 mm (T) Table housing, 19" mounting by mounting bracket |
| Display |
LC display |
| DSP version |
DSP4 |
| Equalization Parametric EQ |
20-20kHz / -20 + 12dB / 0.05-3db (oct) |
| Equalization Parametric EQ @ input |
10 x PEG 20Hz-21.0kHz, + -12dB, @ 0.05 oct-3.00 oct |
| Equalization Parametric EQ @ output |
4 x 5 PEQ, 20Hz-21.00Hz, + -12dB, @ 0.05oct-3.00oct |
| Expander Compressor Limiter |
Can be connected to all 8 microphone inputs (setting by Trimer internally) |
| Feedback limiter |
MODES: Automatic (ADAPTABILITY) with 10 notch filters, MODES: PHASE SHIFTER with Freq. 1.7Hz, 2.0Hz, 3.0Hz |
| Frequency response |
40 Hz to 22,000 Hz @ -3dB |
| Gain (system) |
-60dB to + 6dB |
| Gain control |
For all Mik.-LINE inputs, analogue on the back of the device, digital in the device configurator |
| HPF filters |
100 Hz, 6 dB / oct. |
| IN1 / IN2 to OUT4 matrix |
yes in the device configurator |
| Input automatic system (GATE) |
Fully automatic digital system |
| Installation height |
3 U (U) |
| Interface |
USB master (PC), RJ-45 remote control |
| LF / RF filter (EQ) |
per input @ + / - 12 dB, 100 Hz, 10 kHz |
| Limiter: SLOW / NORMAL / FAST |
IN1 and IN2 signal limiter (-30dB to + 6dB) in the device configurator |
| Line outputs (process DSP) |
DSP-OUT: 1 to 4 Signal Processout, symm. on XLR Neutrik, 100mV-1V, 10K |
| Mass |
about 4 kg |
| MP3 player |
with USB / SD ports + BT receiver |
| Network filter |
Yes |
| Noise Gate [LEVEL / ATTACK / RELAY] |
-90dB / -3dB (300us-5000US) (1 ms 3000ms) |
| Password protection |
yes, in the device configurator |
| PEQ filter (input) |
PEAKING EQ, LoSH6, LoSH12, HiSH6, HiSH12 |
| PEQ filter (output) |
PEAKING EQ, LoSH6, LoSH12, HiSH6, HiSH12 |
| Phantom power |
switchable 24VDC (DIP-switch) |
| Power supply |
230VAC / 50Hz / 60Hz |
| Presets |
Preset-1, Preset-2 with plain text |
| Priority input (MIC / LINE) |
Yes |
| REC OUT |
Yes |
| Remote Control |
Option: PV-DSP4F, Presets remote activation |
| Signal contacts |
Yes |
| Signal to Noise Ratio |
better 90dB @, software NOISE GATE setting |
| Software version |
EASY MANAGER 2.0 |
| Sound adjuster inputs |
LOW 100Hz, HIGH 10kHz, + -12dB (Q-Filter) |
| THD |
better than 0.1% |
| Time synchronization |
Settings are made in Device Configurator (RTC) |
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