APART PM1122 Instruction Manual Download Page 9

Instruction manual

PM1122

9

6.   Mic/line 1 to 4 level:

 use this knob to adjust the mic 1 to 4 level.

7.   S/C led: signal/clip led:

 the led lights up green when the mic 

signal is suffi ciently strong, and becomes red if the mic preamp 
is clipping. Turn the preset input trimmer of the corresponding 
input down at the back of the unit when the led becomes red. 
The red clip leds monitor the input circuit at all times, even 
when the level on the front panel is turned to the zero position.

8. 

 

Zone assign dipswitches:

 activate the dipswitches to assign mic/

line input 1 to 4 to zone 1 and/or zone 2 output. Dipswitch 
down = input assigned.

9.   Tone control mic/line 5 + link:

 turn the knob to darken the tone 

(turn to the left) or to brighten the tone (turn to the right).

10.  Mic/line 5 + link level: 

use this knob to adjust the mic/line 5 

level and/or the link input.

11.  S/C led: signal/clip led:

 the led lights up green when the mic/

line signal is suffi ciently strong, and becomes red if the mic 
preamp is clipping. Turn the preset input trimmer of the 
corresponding input down at the back of the unit when the led 
becomes red. The red clip leds monitor the input circuit at all 
times, even when the level on the front panel is turned to the 
zero position.

12.  Zone assign dipswitches:

 activate the dipswitches to assign mic/

line input 5 or the link input to zone 1 and/or zone 2 output. 
Dipswitch down = input assigned.

13. 

 

Zone 1 bass tone control:

 effective on music signals only.

14. 

 

Zone 1 treble tone control:

 effective on music signals only. 

Summary of Contents for PM1122

Page 1: ...PM1122 Instruction manual...

Page 2: ......

Page 3: ...Instruction manual PM1122 3 PM1122 Manual...

Page 4: ...4 Pre amplifier...

Page 5: ...hts green when a suffi ciently strong signal is present and turns red when the input is overloaded turn down the sensitivity adjustment at the rear to prevent unwanted overloads The 5 mic line inputs...

Page 6: ...don t need the chime The rear priority dipswitches allow you to preset if line level mute per zone is activated yes or no in case a priority mic contact is activated Mono inputs are numbered from 1 to...

Page 7: ...Finally there is the balanced emergency input with priority contact and adjustable input level Level is presettable at the rear only for safety reasons For remote control and local signal input there...

Page 8: ...liminate unwanted noise or background noise coming through from your mic line inputs 4 Noise gate threshold set the knob to the off position if you don t want to use the noise gate Set the gate so tha...

Page 9: ...turn the knob to darken the tone turn to the left or to brighten the tone turn to the right 10 Mic line 5 link level use this knob to adjust the mic line 5 level and or the link input 11 S C led sign...

Page 10: ...ignal led this green led indicates that a signal is present on the right zone 1 output 20 Mic mix level knob turn this volume knob to adjust the microphone mix signal mic line 1 5 link input for zone...

Page 11: ...d indicates that a signal is present on the left zone 2 output 28 Signal led this green led indicates that a signal is present on the right zone 2 output 29 Mic mix level knob turn this volume knob to...

Page 12: ...cation can only be done by a qualifi ed technician To access the transformer locations remove the bottom and lid from the preamp On the componentside of the PCB you will fi nd 5 locations called IT1 t...

Page 13: ...T2 C213 C215 MIC3 IT3 C44 C45 MIC4 IT4 C57 C58 MIC5 IT5 C85 C86 The suggested transformer s pin layout fits perfectly on the PCB After soldering the transformer from the soldering side please remove t...

Page 14: ...kind of network compatible connectors 4 Zone 1 2 priority assign dipswitches set the zone 1 and or zone 2 dipswitch es to Y if you want priority mics to mute the line music signal on zone 1 and or zon...

Page 15: ...nwanted mic noise and it is not a vox circuit 12 Line A to D stereo line level inputs these unbalanced cinch connectors accept stereo line level signals coming from music sources such as tuners or CD...

Page 16: ...mic or line signals on these euroblock connectors 19 Input 1 and 2 input blocks connect your balanced mic or line signals on these euroblock connectors Additionally connect the mic 1 and or mic 2 swit...

Page 17: ...Instruction manual PM1122 17 Please use the schematic shown below as a guideline...

Page 18: ...18 Pre amplifier Blockdiagram...

Page 19: ...Instruction manual PM1122 19...

Page 20: ...alk 70 dB Max nominal gain 6 dB Max output voltage 19 dBV 9 V Insert pcb for signal processing Pcb ready processors optional Tone control zone 1 and 2 Bass 75 Hz 10 dB treble 10 kHz 10 dB Music and mi...

Page 21: ...o 300mV 10 dBV Input mic line 1 to 5 impedance 1 2 k Input mic line 1 to 5 max input level 6 dBV CMRR 55 dB electronically balanced S N ratio 75 dB mic level 4 mV THD 0 09 Phantom power mic line 1 to...

Page 22: ...ne wall control panel wired for 503 wall box PM1122R PM1122R with local input wired for 506 wall box PM1122RL 2 Zone interface control RS232 2 x 6 presets PM1122 INT Wireless receiver for PM1122 INT P...

Page 23: ...rol with local audio input PM1122R Analog remote control PC software included with the PM1122 INT interface PM1122W W PM1122W SLV Ultra flat wireless control PM1122 INT 2 zone digital remote interface...

Page 24: ...udioprof nv Industriepark Brechtsebaan 8 bus 1 2900 Schoten Belgium Company names product names and trademarks are property of their respective owners Apart Audio specifications are subject to change...

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