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3

Controls and Connections 

FRONT PANEL

 

1

2

3

4

5

6

7

8

9

10

11

 

 

REAR PANEL 

1

4

5

6

7

8

9

13

15

17

18

19 20

28

30

31

29

27

26

24

22

21

23

25

14

2

~

~

 

FRONT PANEL

 

1)

 

MIC-1 Volume control                    

   

  7) Bass Control

 

2) MIC-2 Volume control                    

   

  8) Treble Control 

3) MIC-3 Volume control                   

   

   9) Master Volume control 

4) MIC-4/AUX-1 Volume control            

   

   10) Power on/off switch with LED indicator 

5) MIC-5/AUX-2 Volume control            

   

   11) Output level indicator 

6) MIC-6/AUX-3 Volume control 

   

REAR PANEL

 

1) AC power cord

                        

 

 

 

  17) EQ/MIX input RCA jack 

2) Ground                       

 

 

  

       

  

 

 

 

18) Preamp output RCA jack 

3) Speaker outputs                   

       

    

 

19) Tape output RCA jack 

4) Manual muting terminals             

          

20) Booster output RCA jack 

5) MIC-6 input terminals (Balanced)               

 

21) AUX-3 input RCA jacks   

6) MIC-5 input terminals (Balanced)             

 

 

22) MIC-6/AUX-3 input selector switch   

7) MIC-4 input terminals (Balanced)               

 

23) AUX-2 input RCA jacks 

8) MIC-3 input terminals (Balanced) 

             

 

 

24) MIC-5/AUX-2 input selector switch 

9) TEL/PAGING input terminals (Balanced)**  

   

   

25) AUX-1 input RCA jacks 

10) TEL/PAGING input level control   

 

           

26) MIC-4/AUX-1 input selector switch 

11) TEL/PAGING VOX sens. control     

       

 

 

 

27) Loudness on/off switch                     

12) MIC-1 VOX on/off switch   

           

   

 

 

28) MIC-4 (XLR connector) input 

13) AC accessory outlet (Unswitched)        

  

   29) MIC-3 (XLR connector) input

 

14) AC fuse holder                   

 

 

    

 

  

 

30) MIC-2 (XLR connector) input 

15) MOH output terminals             

       

 

   

31) MIC-1 (XLR connector) input

 

16) MOH output

 

level control* 

   

 

 
 
 

*MOH = Music on hold 

**TEL/PAGING=

 

Connection input terminals for 

general or emergency paging.

 

**TEL/PAGING is not to be connected directly to a 

telephone circuit or TNV circuit. 

Summary of Contents for PMM-120A

Page 1: ...00 645 5516 631 957 8700 IN METRO NY http www specotech com 1 Unpacking After removing the amplifier from the carton inspect for any exterior damage to the unit If damage is noted notify the carrier a...

Page 2: ...fied by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus...

Page 3: ...s Balanced 21 AUX 3 input RCA jacks 6 MIC 5 input terminals Balanced 22 MIC 6 AUX 3 input selector switch 7 MIC 4 input terminals Balanced 23 AUX 2 input RCA jacks 8 MIC 3 input terminals Balanced 24...

Page 4: ...input terminals Accepts a balanced low impedance microphone signal 7 MIC 4 balanced input terminals Accepts a balanced low impedance microphone signal 8 MIC 3 balanced input terminals Accepts a balanc...

Page 5: ...th an additional booster amp 21 AUX 3 input RCA jacks High impedance input available with parallel RCA jacks for combining stereo output accessories 22 MIC 6 AUX 3 input selector switch Allows for sel...

Page 6: ...wiring see warning Warning To overcome this problem if it occurs the electrical and the mechanical ground on the amplifier may be separated by completely removing the wire connecting the power source...

Page 7: ...rns which have a resulting voice coil impedance of 4 8 or 16 Ohm connect to the COM and the proper impedance tap on the terminal strip Be sure the speaker s or PA horn s is capable of handling a reaso...

Page 8: ...INPUT TO OVERRIDE FOR PAGING ANNOUNCEMENTS TELEPHONE LINE A TELEPHONE LINE INPUT OF 600 OHM IS PROVIDED THERE ARE MANY OTHER FEATURES OFFERED PLEASE READ MANUAL COMPLETELY WHENEVER IN DOUBT ABOUT INST...

Page 9: ..._____________ _____________ 1 00 X _____________ _____________ 0 50 X _____________ _____________ 0 25 X _____________ _____________ 0 125 X _____________ _____________ Total Sum of Shaded Area Repre...

Page 10: ...6 Ohm 25V 70V line outputs 4 Ohm 8 Ohm 16 Ohm 25V 70V line outputs Output sensitivity and impedance Tape out 350mV 4 7K Ohm Pre out 1V 600 Ohm Booster out 1V 600 Ohm Tape out 350mV 4 7K Ohm Pre out 1V...

Page 11: ...0 1 1 2 3 4 4 3 2 3 2 3 0 1 1 0 1 1 0 1 1 0 3 5 2 6 1 1 0 2 5 7 6 4 4 4 8 8 8 8 8 8 8 8 8...

Page 12: ...0 1 0 2 1 0 0...

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