AR-133
Contents
1. Technical Specifications Inputs 1 4 mono jack connector Tip hot sleeve ground or 3 pin XLR connector pin 2 hot unbalanced Parallel link output 1 4 jack connector for feeding to other equipment direct or via Buffer Amplifier Attenuator at OdB at 20dB at 40dB Impedance 1 Mohm 47 kOhm 47 kOhm M ax Input Level before clip 9dBu 29dBu 49dBu O utput 3 pin XLR connector transformer balanced output Will drive lines from 600 Ohm upwards Maximum output level before clip greater than 9dBu with battery or phantom supply Frequency Response 30Hz to 20kHz 0 1dB N oise lt 105dBu unweighted 22Hz to 22kHz rms Harmonic Distortion Less than 0 005 at 1kHz OdBu output Power Phantom Power Requirements 20 Volts DC to 48Volts DC Current Drain Phantom Power less than 8mA Battery less than 2mA Dimensions 145mm x 125mm x 59mm 5 7 x 4 9 x 2 3 Weight 650gm 220z excluding battery Noise measured relative to maximum output Warranty Information When sold to an end user by BSS Audio or a BSS Audio Authorised Reseller this unit is warranted by the seller to the purchaser against defects in workmanship and the materials used in its manufacture for a period of one year from the date of sale Faults arising from misuse unauthorised modifications or accidents are not covered under this warranty No other warranty is expressed or implied If the unit is faulty it should be sent to the seller of the e2. pad switch set to OdB although with some high output pick ups the performance of the AR 133 may be improved if the pad switch is set to 20dB to prevent possible clipping of the input The instrument is connected to the 1 4 jack socket and a parallel feed taken from the other jack socket to the instruments own amplifier Interfacing additional equipment such as DJ mixers with the house console and PA may cause level and connector difficulties Connect the DJ mixer to either the jack or XLR input of the AR 133 this will depend on the interface cables to hand which match the output of the DJ lt AA PE mixer and then the AR 133 s output XLR to the ern house console Where 2 or 3 keyboards are used by a single performer it is possible to reduce the number of DI s needed if a mixer amplifier is used by the performer for his or her personal monitoring A single AR 133 can be fed either from a line level output from the head pad set to 20dB or from the amplifier power output Speaker output pad set to 40dB Using the amplifier s output means that the signal being fed to the console is post any effects units and the power stage of the amplifier and so will be more representative of the signal being fed to the speaker including any deliberately introduced overdrive etc Use the 40dB setting for this application
3. our Dealer D istributor for details Phantom Power The AR 133 can work reliably on a wide range of phantom power voltages although of course the typical supply provided by modern consoles is 48 volts The AR 133 accepts supply voltages of 48 volts down to 20 volts without loss in performance While the AR 133 is receiving good phantom power the power LED is lit continuously Should the supply fail for any reason the AR 133 will switch over automatically to run from the internal battery as long as one is fitted Under these conditions the power LED flashes approximately every 2 seconds Installing a battery To install or replace the internal battery first undo the knurled screw on the battery compart ment DO NOT undo the flush panel screws The battery cover should now fold back towards the edge of the unit revealing the compartment Attach the flying lead battery terminals to your battery and slide the battery into the compartment with the connector towards the outside of the AR 133 For best reliability and long life we recommend you use only high quality alkaline batteries in your AR 133 Cable Management To keep cables tidy on stage and in the studio both input and output cables can be arranged to run in the same direction by bringing one cable back under the AR 133 Typical Applications The most widespread use of DI boxes is with guitar pick ups or keyboards The optimal setting for this is most likely with the
4. quipment in its original packaging with shipping prepaid The unit will be returned to you when the repair has been completed You should include a statement listing the faults found The unit s serial number must be quoted in all correspondence relating to a In keeping with our policy of continued improvement BSS Audio reserves the right to alter specifications without prior notice The AR 133 was designed and developed by BSS Audio Hertfordshire England BSS Audio Linkside House Summit Road Potters Bar Herts EN 6 3JB England Tel 44 0 1707 660667 Fax 44 0 1707 660755 World Wide Web http www bss co uk Part Number ZM0199 01 Issue 1 BSS Audio AR 133 U ser M anual Active DI Box Line Balancer Using a DI box eliminates the need for miking of the backline speakers providing a clean feed to both console and amplification The AR 133 has a parallel feed from the input connector so that the instrument may be simultaneously connected to the AR 133 and the amplifier This means that no special splitter cables are needed The striking visual design of the AR 133 also has functional qualities For example cables can be run underneath to keep cable runs neat on stage and all from one end of the unit The moulded sides make stacking of multiple units easier and help isolate the case of the AR 133 from the stage both electrically and mechanically Input Connectors and switches Input 1 4 Jack Unbalanced Tip hot ve sleeve g
5. round M ain input for instruments Impedance Pad setting 1MOhm 0dB 47kO hm 20dB 47kO hm 40dB 3 pin XLR Socket Unbalanced parallel link with main 1 4 jack socket Pin 2 hot Pins 1 and 3 ground Link 1 4 Jack Output parallel wired with main 1 4 input or fed via a buffer amplifier from main input Tip hot Sleeve ground Output Connector and switches 3 pin XLR Output Balanced via transformer Pin 2 Hot ve Pin 3 Cold ve Pin 1 Ground Ground Lift Switch By switching to the LIFT position the internal connection to the output pin 1 is removed isolating the AR 133 s grounding system from that of the rest of the system Functions and Facilities CT i The Link Connector J Normally the 1 4 LINK socket carries a parallel wired direct feed from the input O ptionally an internal link passes this signal through an active isolating buffer amplifier This link must be changed by an Authorised Technician only Please consult your Distributor D ealer for details BORAE The On Off Switch The On Off switch is used for both phantom power and battery To avoid battery drain when the unit is not in use ensure that this switch is set to the upper OFF position when storing or packing the AR 133 Optionally an internal link can allow phantom power to activate the AR 133 regardless of the O n O ff switch setting This link must be changed by an Authorised Technician only Please refer to y
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