WPR - 1 - WORK PRO Audio
Contents
1. 9 X OVER FREQUENCY control The X OVER FREQUENCY control sets the point of mono low frequency signal The control can be adjusted within a range of100to 250 Hz 10 OUTPUT control TheOUTPUT control sets themono low frequency signal output level The control can be adjusted within a range of to 12dB 11 CLIP LED The CLIP LED indicates the status of mono low frequency signal output level clip If outputlevelclip the LED is red 12 LEVEL LED TheLEVELLED indicates theoutputlevel of the dual channel ifoutputlevel clip the LED IS red Rear Panel O 9 gt WARNING n MONO TN eat deu BASS SERIAL NO win renin CES 3 2 1 1 INPUT connection Both balanced 3 pin female XLR type connectors input connectors are available A 600 ohm line should be used for both Use the INPUT LEVEL control to set the rated input level from 40 or 2dB 2 OUTPUT connection Both balanced 3 pin female XLR type connectors output connectors are available A 600 ohm line should be used for the balanced XLRs Use the OUTPUT LEVEL control to setthe rated nominal outputlevel from 40 to 2 dB 3 MONO BASS OUTPUT connection One balanced 3 pin female XLR type connector output connector is available A 600 ohm line should be used for the balanced XLRs Use the OUTPUT LEVEL control to set the ratednominalmono low frequency signal outputlevel from to 12 dB Page 6 Reference Manual WPR 1 Multiband S2. O MULTIFAN D SOUND ENHANSCR User Manual wW CAUTION To reduce the risk of electrical shock do not remove the cover or back No user serviceable parts inside refer servicing to qualified personnel WARNING To the risk of fire or electrical shock do not expose this appliance to rain or moisture This symbol wherever it appears alerts you to the presence of uninsulated dangerous voltage inside the enclosure voltage that may sufficient To constitute a risk of shock A This symbol wherever it appears alerts you to important Operating and maintenance instructions the accompanying literature Read the manual Reference Manual Page 1 A L NY Important Safety Instructions 1 2 Page 2 Read theseinstructions Keep theseinstructions Heed all warnings Follow all instructions Donotusethis apparatus near water Clean onlywith a damp cloth Do not block any of the ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus thatp roduceheat Donotinstall the safety purpose of hepolarized or grounding type plug A polarized plug has two blades with one wide than the other A grounding type plug has two blades and third grounding prong The wide blade orthe third prong is provided for your safety When the provided plug does not fit into your outlet consult an elect
3. signal used for sound enhancement from zero to maximum Thesetting depends onthe application you are addressing please note that the bass processor should be set carefully to avoid possible speaker damage 5 TUNE control The TUNE control sets the lower cut off frequency of the high pass filter Using this control you can selectthe frequencies that are routed to the especial processor the cut off frequency can be adjusted within a range of 1 to 8 kHz 6 PROCESS control The PROCESS control determines the function of the device When turning the control in clockwise direction The function is actioned which increases the signals transparency and sharpness Please note that with classical programme material acoustic instruments or with output Signal that already include sufficient treble frequencies The classic set should be preferred However when processing for instance a Slapped bass guitar it is the pop settingwhichshould dominate 71 HIGHMIX control The HIGH MIX control determines the amount of signal used for sound enhancement from zero to maximum Reference Manual Page 5 4 v mutant sod etc It depends on the application whether a high quality system is to be given the finishing touch with the WPR 1 or whether maximum intelligibility is to be achieved in a relatively poorsoundreinforcementsystem 8 PHASE INVERT switch The PHASE INVERT switch set whether the mono low frequency signal phase in the 0 or 1807
4. Installation WPR 1 was carefully packed in the factory and the packagingwas designed toprotectthe unit from rough handling Nevertheless we recommend that you carefully examine the packaging and its contents forany signs of physical damage which may have occurred in transit If the unit is damaged please do not return it to us But notify your dealer and the shipping company immediately Otherwise claims for damage or replacement may not be granted Shipping claims musth e made by the consignee Rack mounting The WPR 1 fits intoone standard rack unit of space 1 3 4 Please allow atleast an additional 4depth for the connectors on the back panel Be surethat there is enough airspace around the unit for cooling and please do not place the WPR 1 on high temperature devices such as power amplifier etc to avoid overheating Connectors The audioinput and outputconnector are available inXLR connectors Due to frequently occurring problems with compatibility we would like to draw your attention to the international standard IEC 268 12 for balanced operation pin 1 should be connected to ground pin 2 should carry the positive signaland pin 3 the negative signal Important note XLR connector P in1 ground Pin 2 signal P in 3 signal Unbalanced Operating Unbalanced operation is characterized by a single conductor shielded cable with the center conductorcarryingthe signal and the shield at ground Balanced Operating Balanced operati
5. alk 20kHz MONO BASS OUTPUT Type Output impedance Maximum Output Level Bandwidth THD 4dBu IMD SMPTE 10dBu Noise amp Hum unity gain LOW BAND PROCESSOR SHIFT switch LOW MIX control HIGH BAND PROCESSOR Type TURN control PROCESS control HIGH MIX control MONO LOW FREQUENCY SIGNAL PROCESSOR Type PHASE switch X OVER FREQUENCY control OUTPUT control Reference Manual w RF filtered servo balanced input 40kohms balanced 40 dBV to 2dBu 20 dBu unbalanced better than 40 dB DC decoupled balanced output stage 40 ohms balanced 20 dBu unbalanced 10 Hz 50 kHz 0 1 dB 0 005 typ all controls set to minimum 0 01 typ 94 dBu all controls setto minimum better than 83 dBu DC decoupled balanced output stage 40 ohms balanced 20 dBu unbalanced 10 Hz 250 kHz 0 1 dB 0 005 typ all controls set to minimum 0 01 typ 94 dBu all controls setto minimum switch able from 50Hz to 100Hz variable from OFF to MAX WORK Processor variable from 1 to 8 kHz variable from CLASSIC to POP variable from OFF to MAX WORK Processor switch able from0 to 180 variable from 100 to 250 Hz variable from to 12 dB Page 9 INDICATORS IN OUT LED two color LEVEL metter dual channel four step three color CLIP LED two color POWER REQUIREMENTS Main Voltage Power Consumption Fuse WEIGHT Net Weight Shipping Weight Page 10 WPR 1 Mul
6. companding noise reduction system is used in this situation it should precede the WORK WPR 1 Enhancement The SoundOfEffects Devicesancem Often signal processing units such as flangers phasers distortion chorus delay and reverb units etc considerably limit the signals sound quality Here too the WPR 1 will be of help Simply insert the unit after the effects device if there are several devices insertthe WPR 1 as the lastunitin thechain Enhancement The Sound O fP A Systems fused inP A and other sound reinforcement systems for background or livemusic the WPR 1 offers astoundingadvantages In audio systems for announcements and background music the WPR Lis place ina similar way to recording and tape duplication directly before the power amp The intelligibility and range ofyour system willbe improved and the sonic image will become clear and transparent even atlow volume levels problems caused by background Reference Manual Page 7 Nf PR mand sod etc Noise fluctuations room acoustics reflections andspeakersetup can be solvedmoreeasily For instance in discos orclubs you do notneed to constantly readjust the high frequencies as the place becomes increasingly crowded you will be able to protectyour speaker system and the hearing of visitors Backgroundmusic in bars and restaurants can be heard easily It does not annoy your guests becauseits volume had tobe turned up toofar The sound of any P A system will be impro
7. on is defined as a two conductor shielded cable where each of the two center conductors carry the signal but of opposite phase They have equal but inverted potential differences from thatofground Mains Connection With the exception of the jack model mains connection to the WPR Lis established using a removablepower cord italso an internal fuse holder which meets all ofthe international safety certification requirements Please make sure that all unit have a proper ground connection For your own safety it is advisablenotto remove thegroundconnection or failtomakethe connection tothe unit C heck thattheunitisconfiguredtomatchyourAC main voltage requirement Important note only replace the fuse with the correctvalue andtype Page 4 Reference Manual WPR 1 Multiband Sound Enhancer WPR 1 Front amp Rear Panel Controls amp Connections 12 11 Front Panel 3 4 5 6 7 1 2 1 2 8 9 10 1 IN OUT switch This switch put both channels into operation Withtheswitch in the OUT position the unit is bypassed 2 IN OUTLED This LED indicates both the status of thechannels ifthe channelsare bypassed the LED is red ifthechannelsare activated the LED lights up green 3 SHIFT switch This switch determines the cut off frequency of the bass processor Depending on the programme material you can selecta cut off frequency of 50 or 100HZz 4 LOWMIX control The LOW MIX control determines the amount of
8. ound Enhancer w APPLICATIONS Basic Applications We recommend setting the processor as indicated in the following three sections This will give you a better idea of switch and control functionality Setthe WPR 1tobypass mode the LED nextto thelN OUTswitch osred Set the TUNE controls to center position and the PROCESSOR controls fully counter clockwise Turn the MIX controls fully CCW and depress the IN OUT switch New turn the LOW MIX and HIGH MIX controls of the bass and high frequency sections slowly clockwise unit the fundamental bass and high frequencies became more emphasized and the sonic image begins toopen uporto widen The quality of the sound enhanced signal can be adapted to the programme material by varying the cutoff frequency usingtheS HIF Tswitches and orthe TUNE controls When using enhancers or exciters it is easy to get carried away Therefore we recommend regular A B comparisons IN OUT while setting the controls in order to constantly check the Signals integrity Rule of thumb the enhancers effect only should be noticeable when it is lacking but not when itis present Typicalapplications Inthis section wewill discuss a few typical applications ofthe WORKWPR 1 Sound Enhancement During Replay For this application the WPR 1 follows the master or multi track recorder inserted between tape machine and mixer or amplifier Of course a cassette recorder or similar can also be used assignal source Ifa
9. rician for replacementoftheobsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience at plugs convenience receptacles and the point where they exitfrom theapparatus Only use power cordfrom attachments accessories s pecified by themanufacturer Use only with a cart stand bracket or table specified by themanufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combinationto avoidinjury from tip over Unplug this apparatus during lightning storms or when unused for long Periods of time Refer all servicing to qualified service personal Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has beenexposedto rain or moisture doesnotoperatenormally Reference Manual WPR 1 Multiband Sound Enhancer Contents UPS Cea eNO tees de Or acnaentae 4 CONNECCION 5255 att sasiaacates tense tn 4 Unbalanced Operating sisiiissciniacteruivisn ruta awuinindaaion mam aumiaanae 4 Balanced Obernai mens 4 Mains Connection 2 de nn arte 4 Control and connections Rs RE onto 5 APPLICATIONS BASIC ADPIICAONS same nii tante at 7 Typical Applications ississicsiiiscinsdsiconniaivtronsvsaaitanvaaintoasiamawrnwianigsanaivamnanieiinn 7 SSC INC AO INS nomades din danois 9 Reference Manual Page 3 Q R mutant sod etc
10. tiband Sound Enhancer 100 120 200 240 VAC 50 60Hz 10 Watts 0 375 A slow blow 3 2kg 3 8kg Reference Manual CE Equipson S A www equipson es support equipson es All rights reserved
11. ved by the WPR 1 For example the vocals and Speech of music groups or speech transmissions will be considerably more transparent and intelligible the instruments c an bedistinguished more easily The WORK WPR 1 will increase the speaker systems acoustic performance and its ability to penetrate a room particularly in places withdifficultacoustics The system also needs less effective amplifier power since the subjectively heard volume level increases Powerful and detailed sound reproduction can also be achieved with weak systems Itheloswhen you do nothave to spend a small fortune on upgradingyour system Enhancement The Sound Of Sample Systems ce CHANNEL2 MIXER FULL RANGE OUTPUT CHANNEL 1 RIDGE S EN TAN LOUDSPEAKERS O CD sl CHANNEL 2 o0 MONO BASS OUTPUT LOUDSPEAKERS O O AX AN Page 8 Reference Manual WPR 1 Multiband Sound Enhancer SPECIFICATIONS INPUT Type Input Impedance Nominal Operating Level Maximum Input Level CMRR OUTPUT Type Output impedance Maximum Output Level Bandwidth THD 4dBu IM SMPTE 10dBu Noise amp Hum unity gain Crosst
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