Please follow the instructions in this manual to obtain the optimum results from this unit. We also recommend that you keep this manual handy for future reference. 4 zone pa mixer amplifier px-4120 o p e r a t io n m a n u a l public address system sd/media power eq mode vol+ next pp/scan vol- prev ...
Table of contents 1. Safety precautions .......................................................................................3 2. Features ...............................................................................................................5 3. Nomenclature and functions 3.1 front panel ...
Be sure to read the instructions in this section carefully before use. Make sure to observe the instructions in this manual as the conventions of safety symbols and messages regarded as very important precautions are included. We also recommend you keep this instruction manual handy for future refer...
An all-pole mains switch with a contact separation of at least 3 mm in each pole shall be incorporated in the electrical installation of the building. When installing the unit never plug in nor remove the power supply plug with wet hands, as doing so may cause electric shock. When unplugging the pow...
1. All sources are with matrix 4roads output function. 2. Remote paging mic input with first priority, when priority is short circuit, then the remote paging mic is third priority. 3. One road tel input (volume adjustable), choose 1-4 zones output freely by manual, with second priority. 4. 3 roads m...
1. Mute button and indicator, mute on, indicators are on; mute off, then indicators are off 2. Amplifier matrix 4 channel selector button 3. Monitor level indicator 4. Monitor volume control adjust monitor volume, clockwise rotation, increase volume, conversely reduce 5. 1 zone amplifier level indic...
Nomenclature and functions 3.2 rear panel 13 12 14 15 1. 2. Ac power input socket telephone dip switch and volume control 3. Ch5 line signal input and signal gain control 4. Ch4 line signal input and signal gain control 5. Ch3 microphone signal input and signal gain control 6. Ch2 microphone signal ...
> 4. Operation for the four output terminals, please only use the com and one of the others. When using 70v and 100v, the speaker must be with transformers. Moreover, and the total power of the speakers should be less than the rated output power. 5. Mute function mute priority description: mic1 high...
7. Connections 7.1 speaker connections 70v/ 4 7.2 xlr connections 9 70v 100v com 4 100v line 70v line 70v 100v com 4 70v 100v com 4 40 (px-4120) 83 (px-4120).
8. Applications rear panel connections 10 c d p l a y e r p o w e r a m p l if ie r c d p l a y e r r m -4 0 1 2 p o w e r a m p l if ie r p o w e r a m p l if ie r p o w e r a m p l if ie r z o n e 1 z o n e 3 z o n e 2 z o n e 4 l in e o u t l in e o u t l in e o u t l in e o u t b a l . / u n b a...
9. Block diagram 11 z o n e i d 1 2 3 4 r e m o t e m ic.
10. Specifications model power output output interface comsuption monitor output line1-4 output level harmonic distortion px-4120 4x120w 4r,70v/100v 1w/8 1v/600 ( ) balance output supply voltage ~220v 50-60hz dimension(mm) net weight gross weight 484x440x132 13.48kg 11.68kg snr frequency mp3 recordi...
100 over 100 over o v e r 1 0 0 11. Dimensional diagram unit :mm 6 1 2 8 1 2 8 25 440 415 1 3 2 1 4 8 436 484 unit :mm 13 sd/media power eq mode vol+ next pp/scan vol- prev 97.60 monitor mute mute mute mute mute mute z1 z1 z1 z1 z1 z1 z2 z2 z2 z2 z2 z2 z3 z3 z3 z3 z3 z3 z4 z4 z4 z4 z4 z4 level level...
Public address system versionv0.1.
