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15

CHANNEL STRIPS

The six vertical channel strips contain all the individual 

controls for each channel. Each channel strip works 

independently of each other, and adjusts only the signal 

plugged into the jacks below it. 

Note: If the optional wireless modules are installed, CH 

1-4 control strips can adjust the signal from the wireless 

microphones as well.

1. LEVEL

 – These controls adjust the amount of gain 

for each channel available to the MAIN output. Adjust 

these controls to achieve a good mix between connected 

microphones/instruments. These controls do not adjust the 

amount of gain available for the MONITOR output. 

2. MON

 – These controls adjust the amount of gain for 

each channel available to the MONITOR output. Since the 

monitor output will typically be used for onstage reference, 

set the individual levels to achieve a perfect monitoring mix. 

These controls do not adjust the amount of gain available for 

the MAIN output. 

3. DSP/REV AUX

 – These controls adjust the amount of 

3. DSP/REV AUX

3. DSP/REV AUX

DSP effects applied individually to channels 1-8. This allows 

you to set more DSP effects to the microphone channels, 

and less to channels with instruments connected. These 

controls only adjust the amount of DSP applied to each 

channel; to set the individual parameters of the DSP effects, 

refer to the DSP REV CONTROL panel control. 

A secondary function of this control is to adjust the 

presence of that channel’s signal in the ¼” AUX output mix. 

As the control is turned clockwise, the signal is increased. 

As the control is turned counter-clockwise, the signal is 

decreased.

4. HIGH

 – These controls adjust the amount of high 

frequency in the audio signal for each channel. Increase the 

HIGH control to add sparkle to vocals and instruments, but 

keep in mind that excessive high frequency equalization can 

lead to feedback. Decrease the HIGH control to reduce vocal 

sibilance, reduce tape hiss, or “bacon crackle” from vinyl 

recordings.

5. MED

 – These controls adjust the amount of midrange 

frequency in the audio signal for each channel. Midrange is 

the most commonly adjusted range in audio. Pianos, guitars 

and the human voice can be dramatically adjusted sonically 

by adjusting the midrange. For vocals a slight boost in the 

midrange provides a good sound when playing through well-

balanced set of speakers.

6. LOW 

– These controls adjust the amount of low 

frequency in the audio signal for each channel. Low 

frequency adjustments are made to add serious thump 

to kick drums, fatten up bass lines, or add a “full” sound 

to instruments and vocalists. You can also decrease low 

frequency to save your speakers from blowing during 

playback of audio with a heavy bass presence.

7. SOURCE SELECT

 – These buttons toggle the source 

input for channels 1-4. If using an optional UHF wireless 

expansion module, select UHF. If you are connecting a 

microphone or line instrument to the front panel via the ¼” 

or XLR jacks, set the switch to WIRE. 

8. MIC PAD 30dB

 – These switches can provide a 30dB 

signal cut for high level input sources. The MIC PAD is 

designed to prevent overloading a channel with a high-level 

signal. If the switch is set incorrectly, excessively distorted 

audio can result. If you are connecting a line-level input 

source, such as a line out from a mixing device, set the 

switch to ON. If you are connecting a microphone-level 

signal, set the switch to OFF.

Front Panel Features

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Содержание PA-PRO 900

Страница 1: ...o w n e r s m a n u a l PA PRO 900 PRO 900 900W PROFESSIONAL P A 900W PROFESSIONAL P A MIXER MIXER...

Страница 2: ...mation 4 Welcome 5 Listening for a Lifetime 6 Features 7 Hookup Diagrams 8 13 Rear Panel Features 14 Front Panel Features 15 22 Optional Accessories 23 25 Technical Speci cations 26 29 Notes 30 Troubl...

Страница 3: ...cluding amplifiers that produce heat 10 Power Sources The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance 11 Grou...

Страница 4: ...l carefully Keep it in a safe place for future reference Install your unit in a cool dry clean place away from windows heat sources and too much vibration dust moisture or cold Avoid sources of hum tr...

Страница 5: ...8 Curtiss Court La Verne CA 91750 Toll Free 800 678 5348 TEL 909 593 8893 FAX 909 593 8890 VocoPro Company Email Directory Customer Service General Information info vocopro com Tech Support techsuppor...

Страница 6: ...ay attention to the different levels in various recordings Taking a minute to do this now will help to prevent hearing damage or loss in the future After all we want you listening for a lifetime Used...

Страница 7: ...ssor for Microphone Channels L R Effect Loop Jacks for Stereo Channels Dual 7 band Graphic EQs for Main and Monitor Output 48V Phantom Power 4 UHF Wireless Mic Module Ports SDR 3 Digital SD Recorder E...

Страница 8: ...8 Hookup Diagrams...

Страница 9: ...ct a laptop or other stereo music source you can connect to the designated stereo inputs on channels 5 6 7 8 For power output in this example the PA PRO 900 is con gured for MAIN L R MONITOR output A...

Страница 10: ...10 Hookup Diagrams...

Страница 11: ...st to MAIN L R The SUBWOOFER button must be set to SUB Karaoke For this setup you could have four microphones in use on channels 1 4 There is a line out from a karaoke player instead of a mixer connec...

Страница 12: ...12 Hookup Diagrams...

Страница 13: ...no signal to either CH 5 6 or CH 7 8 connect to the L MONO jack For power output this example shows PA PRO 900 con gured for MAIN L R MONITOR output A pair of passive speakers is powered by the MAIN L...

Страница 14: ...tional wireless modules are installed connect the antennas here for UHF wireless reception 5 SPEAKER CONNECTORS These jacks provide speaker level output power from the internal power ampli er to conne...

Страница 15: ...l is decreased 4 HIGH These controls adjust the amount of high frequency in the audio signal for each channel Increase the HIGH control to add sparkle to vocals and instruments but keep in mind that e...

Страница 16: ...ices with stereo output The 1 8 jack is labeled MP3 LAPTOP but can be used to connect any line level device with an 1 8 plug L R RCA jacks provide connectivity for devices that utilize line level RCA...

Страница 17: ...ses the amount of compression applied 15 COMPRESSOR LEDs These LEDs re ect the amount of compression being applied DSP REV CONTROL The on board DSP effects are a great way to spice up your vocals or i...

Страница 18: ...djust the overall level of all the effects combined Use this control after you have already made individual adjustments to the reverb echo and hiss lter controls If you nd that you applied too much or...

Страница 19: ...storted audio signal and possible damage to your speakers An optimal signal will be mostly contained to the green LEDs up to 0dB with occasional peaks into the rst red LED 3dB If the mix reaches 6dB i...

Страница 20: ...LEDs display the output level of the MONITOR mix The LEDs are marked from 10dB to 6dB It is important to monitor these LEDs as they can prevent a bloated audio signal and possible damage to your speak...

Страница 21: ...HT channel will output to the R speaker level outs Select MAIN L R in situations when there is no need to power a monitor speaker either because the monitor speaker is self powered or there is no need...

Страница 22: ...ystem The AUX gain knob above the jack will increase or reduce the level of this output 41 REC OUT These stereo RCA jacks route unbalanced line level signals of the MAIN mix to external devices The re...

Страница 23: ...rded 4 NEXT BUTTON This button will skip forward through previously recorded tracks When the last track recorded is reached it will continue to skip forward from the rst recorded track 5 REC BUTTON Th...

Страница 24: ...same alignment as indicated by the SD card icon 2 Push the SD card unit it clicks into place 3 To remove the SD card gently push in until it pops out slightly it is then safe to remove NOTE The maxim...

Страница 25: ...el This knob controls the microphone volume gain level for this channel Turn clockwise to increase volume and counter clockwise to decrease Setting Up For each UHF wireless channel you will have a han...

Страница 26: ...8dB 1Kohm SD CARD MODULE 6PIN WIRE CONNECT 24dBu 28dB 1 8Kohm CONDITION LEVEL VR MAX EFFECT MASTER MIN MAIN VR MAX ALL EQ CENTER Mixer Output Speci cation OUTPUT CONNECTION LEVEL IMPEDANCE MAIN MIX OU...

Страница 27: ...2dB 2kHz 12dB 4kHz 12dB 8kHz 12dB T H D N 1KHz 30K 1KHz 30K BANDWIDTH BANDWIDTH OUTPUT LEVEL T H D MIC MONO TO SPEAKER OUTPUT 42V Less Than 0 07 L R CH5 8 TO SPEAKER OUTPUT 42V Less Than 0 06 L R CH1...

Страница 28: ...MONO INPUT 10dB MAIN VR 4dB ADJ ST EFECT LOOF OUTPUT 74 dB STEREO ONLY LEVEL MAX ALL VR MIN SEND TIP EQ CENTER HEAD PHONE OUTPUT 70 dB STEREO CH L MONO INPUT 10dB CH LEVEL CENTER EQ CENTER E I N MIC I...

Страница 29: ...VOLUME 0 100 REVERB VOLUME 0 100 HISS FILTER 3kHz 8kHz EFFECT MASTER 0 100 EFX DSP CONTROL FOOT SWITCH 1 4 TS ON OFF SWITCH with LED INDICATOR EFX DSP BUS CONTROL EFX TO MAIN MONITOR CONTROL POWER AMP...

Страница 30: ...30 Notes...

Страница 31: ...nd properly Make sure there are no defective cables The microphone audio volume drops or cuts out suddenly If using an optional wireless mic make sure the microphone has charged batteries If using an...

Страница 32: ...PA PRO 900 Owner s Manual VocoPro 2010 v1 1008 www vocopro com...

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