User`s manual - Baldwin Boxall
Contents
1. 15 Introduction This section briefly describes the possibilities of the COM3 6 public address amplifier he COM3 6 public address amplifier was developed as an easy to use flexible solution for flexible solution for multifunctional use During the development of the COM3 6 the AUDAC engineers wanted to achieve four goals Delivering a flexible audio solution to control multiple functions Easy to use Excellent sound quality Modern and advanced design The COM3 6 has 1 Telephone paging input with EURO block terminal 3 microphone and 2 line inputs with inch phone and RCA jacks a 30W COM3 60W COM6 rated power output an acceptable wide range input level up to 44dB 2 layer priority muting a protection system which detects over current and provides current limiting and thermal protection a built in user selectable preannounce chime 2 band tone controls and a low distortion and low noise level Thanks to its external brackets the COM3 6 can be mounted on a desktop or in a 19 inch rack The COM3 6 can be used in commercial applications such as restaurants hotels shops warehouses professional offices public buildings A simple example when installed in a shop you could connect a tuner to play your favorite radio station a microphone to make announcements a telephone pager and off course the doorbell of the shop Chapter Environment Do not place this unit in2. a 1 1 ga 4 X Ez 4 NZ IN zar esas I b ana AAA ZHOOL MOT SNyal 17170 EE pyri 1 S 1 1 ou O 131 30vd 3l 13 Additional information COM3 6 TECHNICAL SPECIFICATIONS Chapter PERFORMANCE Input sensitivity COM3 COM6 Balanced microphone channels 50dB 3dB Unbalanced AUX channels 30dB 3dB Tele Paging 21dB 3dB At 1W from speaker out tap 80Hz 18kHz 1 5 3dB Tone Controls 100Hz 10kHz 12dB 3dB Signal to Noise Ratio at rated power output Less than 90dB Crosstalk at all control maximum 70dB at 1kHz Rated output power at THD 0 5 30W 60W Power Band width at 1 kHz from speaker out tap Total Harmonic Distortion THD at 1kHz rated power Less than 0 596 80Hz 18kHz with less than 0 5 THD DC Output Offset Less than 3mV Operating Temperature Humidity at non condensing 0 40 C at 95 humidity Output Voltage and Impedance 4Q0 11V 15 5 V 25V 21Q 10 5 Q 70V 163 Q 81 6 O 100V 333 Q 166 Q CONSTRUCTION COM3 COM6 Cooling Convection Cooled Dimensions W x H x D 270 mm x 76 mm x 230 mm Net Weight 4 5 Kg 5 1 Kg Power Consumption 42W 85 W 14 Personal notes
3. 3 E E FUSE TIA 250V Caution only use fuses of the same type 6 14 Vsoj30 s 414 4 Warning do not expose this equipment to M GAIN GAIN rain or moisture PUBLIC ADDRESS AMPLIFIER a OUTPUT 4 UNE gt UNE ACINPUT 25V AUDAC Belgium SM OJO 230V 50 60Hz 58W f TELE PAGING Details front and rear panel of the COM3 6 FRONT PANEL Input channel volume knobs MIC 1 2 Band tone control knobs Indication LEDs MIC AUX2 MIC AUX3 100Hz 10kHz PROTECT cup 2048 SIGNAL Power button amp ON Master volume control knob LED REAR PANEL Gain control knobs for variable input level Caution only use fuses of the same type OUTPUT PUBLIC ADDRESS AMPLIFIER com 25V 100v AUDAC Belgium 4 70v ACINPUT oy 1 230V 50 60Hz 58W i TELE PAGIN Speaker output connectors 4 Ohm Telephone paging Power cable 25V 70V and 100V input connector Signal input connections Getting Started Chapter Before you install the COM3 6 amplifier make sure you disconnect it put the power button in the OFF position and turn all level controls down by turning them counterclockwise When installed the COM3 6 public address amplifier can be switched on by pressing the power button on the front panel The blue lt ON led will light up if the device is powered up WIRING Select the input wire and the connectors The use of pre built or professionally wired bal
4. an enclosed environment such as a bookshelf or closet Ensure that there is adequate ventilation to cool the unit Do not block the ventilation openings Do not place the unit in environments which contain high levels of dust heat moisture or vibration Do not use the unit near water or other liquids Make sure no water or other liquids can be spilled dripped or splashed on the unit This unit was developed for indoor use only Do not use it outdoors Do not place objects on top of the unit Place the unit on a stable base Safety Requirements Always handle the unit with care Only use a grounded socket outlet and a power cord with grounding plug to plug in the unit This unit is not a toy It should not be operated by children Do not stick objects through the openings of the COM3 6 Do not open the unit risk for electrical shock The COM3 6 contains several jumpers which can be set These settings may only be done by qualified people CAUTION SERVICING This unit contains no user serviceable parts Refer all servicing to qualified service personnel Do not perform any servicing unless you are qualified to do 50 Note This product conforms to the following European Standards EN 50081 1 1992 EN 50082 1 1992 EN 60065 199 Chapter Overview front and rear panel of the COM3 6 FRONT PROTECT TREBLE REAR MIC AUX 3 MIC AUX 2 MIC1 _ vl E si 2 2 DO NOT OPEN
5. G 1014150 ft 8 AWG 1514200 ft 6 AWG Note Leave custom wiring to qualified personnel Class 2 wiring is required Caution NEVER use shielded cable for output power wiring Connections Select the input wire and the connectors INPUT Connect microphones or balanced line level sources to the balanced inputs of the mixer amplifier Set the Gain Volume accordingly Connect unbalanced line level signals to RCA input connectors OUTPUT Maintain proper polatity on the output connectors For each output channel you connect the output EURO block terminals to the loudspeaker loads Use terminals that are marked with COM and 4Q for a 4 Ohm loudspeaker load or use terminals matked with COM and 25V 70V or 100V for constant voltage loudspeaker loads Connect the COM terminal to the speaker negative lead Connect one of the other terminals to the speaker positive lead Impedance and output voltage COM3 COM6 4Q 11V 40 15 5V 21 Q 25V 10 5 Q 25V 163 Q 70V 81 6 Q 70 V 333 Q 100V 166 Q 100V The impedances as indicated above represent the total speaker system impedances The speaker connection is shown in the figure below RA pi 4 Matching 80 80 transformer Caution Never use both the Low Z 4 2 and Hi Z 25V 70V and 100V terminals at the same time Following image shows a WRONG connection OUTPUT Operation TELEPHONE PAGI
6. NG Connect the TELE PAGING connector of the mixer amplifier to the telephone interface unit PBX like telephone pager Announcing by telephone is possible after you ve dialled up to telephone interface unit PBX Telephone pager PBX SIGNAL INPUT GAIN CONTROL The COM3 6 public address amplifiers are able to accept a variable and wide range of input signals with trim pot To accept variable external equipment you adjust the trim pot in a range of 44dB Following image shows the acceptable input sensitivity per channel CHANNEL 3 CHANNEL 2 CHANNEL 1 O C so 30 67 gt IN 14 N50 30 6 14 7 GAIN GA PRIORITY CONTROL The COM3 6 has a 2 layer priority mute function When a higher level source is activated other input signals are muted automatically except for the same priority level source MIC2 CH3 AUX1 AUX2 gt MICI Telephone Paging Chime BLOCK DIAGRAM r TBATI INN gt QNO gt ASL _ MS nm 1 per T z AGL Pom as ip t 8 e DRE SNYYL 33MOd g o a a o a www www we w LU NAN lt WW gt AH1 1 i 4 Prva NO19310dd ONY NOILO313Q 1
7. Public Address Amp COM3 6 PROFESSIONAL AUDIO EQUIPMENT Public Address Amplifier COM3 COM6 User Manual amp Installation Guide AUDAC PROFESSIONAL AUDIO EQUIPMENT User Manual amp Installation Guide AUDAC http www audac eu info audac eu Index INTRODUCTION ENVIRONMENT is M 4 SAFETY REQUIREMENTS 5 CAUTIONS SERVICING ns en nn te te sen RS Ne Ad NA 5 OVERVIEW FRONT AND REAR PANEL OF THE COM3 6 ee 6 FRON Po osere M 6 REXAR ree DEREN ERE OO A EER AR E ELE PASS NT RSS SIT Tee en dant 6 DETAILS FRONT AND REAR PANEL OF THE COM3 6 7 FRONT PANEL sCON PROMS iit cs RS ns 7 REARPANEL SN nie RS ES EE 7 GETTING STARTED X 10 EEE 12 lage quU EN M 13 ADDITIONAL INFORMATION COM36 ua esasessesessessesesseseeteseeseseeseeseeseseesesseseesesseseesesseseeseseeseeseeseseeseeseseeseseeseeseeseseesesseseeseseeseesreseeseeseeeeseeeeees 14 PERSONAL OU
8. anced line 22 to 24 gauge cables is recommended The figure on the next page shows the connector pin assignments for wiring You can also use the RCA input connections for unbalanced inputs BALANCED LINE SOURCE MIXER AMP INPUT UNBALANCED LINE gt SOURCE MIXER AMP INPUT Unbalances 1 4 Connector strain rellef clamp deeve ti p ground shleld signal sleeve up BALANCED LINE d 0 s E Gi TO DESTINATION a Le OUTPUT UNBALANCED LINE TO DESTINATION UNGROUNDED S gt PROOUCTWITH 2 PRONG POWER CORO ONLY This connection reduces OUTPUT the signal level by 6 dB Balances TRS 1 4 Connector straln rellef damp sleeve tip ground shleld hot sleeve ting dei cold For connection of balanced and unbalanced plugs ting and sleeve have to be bridged at the stereo plug Select the output wire and the connectors For the output connectors of the amplifier the use of pre built or professionally wired high quality and heavy gauge speaker wires is recommended EURO blocks can be used for the output connectors Prevent short circuits wrap or insulate exposed loudspeaker cable connectors Use the guidelines below to select the appropriate wire size based on the distance from the amplifier to the speaker The wire sizes apply to the 4 Ohm tap Distance Wire size Up to 25 ft 16 AWG 26 40 ft 14 AWG 41 60 ft 12 AWG 61 100 ft 10 AW
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