LD Pro-Series
Contents
1. LU SYSTEMS Instructions for using LD Systems Pro Series Loudspeakers Description The speaker enclosures in the LD Pro Series have been developed as universal passive or two way active systems for full range operation Eight versions are available LDP8 2 With 8 Bass chassis and 1 HF driver 80W RMS 8 Q0 LDP8 2A As above but with built in amplifier 50 20W in 40 160 LDP10 2 With 10 Bass chassis and 1 HF driver 150W RMS 8 Q LDP10 2A As above but with built in amplifier 100 25W in 40 160 LDPN12 2 With Neodymium 12 Bass chassis and Neodymium 1 HF driver 250W RMS 80 LDPN12 2AAs above but with built in amplifier 160 70W in 40 80 LDPN15 2 With Neodymium 15 Bass chassis and Neodymium 1 HF driver 300W RMS 80 LDPN15 2A As above but with built in amplifier 160 70W RMS in 40 80 Recessed flanges make the cabinets suitable for mounting on speaker stands but they can also be flown thanks to the lashing points provided A floor monitor bracket can be ordered as an optional extra All cabinets are manufactured from high quality plastic Placement Indoors you can place the cabinet however you see fit Use the built in flange for a speaker stand hang the cabinet from the flying system using the recessed threads provided in the top of the cabinet each of which is protected by a rubber cap when not in use or use the optional monitor stand Outdoors you must ensure that the cabinet is placed so th2. at it will be protected against direct exposure to rain and water spray Connections The passive versions of the cabinets are equipped with 2 Speakon jacks the second jack is used to loop through the signal to the next cabinet The active version is first connected to the 230V UK 240V AC mains using a mains cable The following audio inputs are available LDP8 2A Balanced Line In via XLR balanced Microphone in via XLR the input sensitivity of both inputs can be adjusted using the adjacent Level control LDP10 2A and LDPN12 2A balanced Microphone in via XLR unbalanced Microphone in via jack the input sensitivity of both inputs can be adjusted using the adjacent Level control LDPN15 2A has two microphone input channels The XLR Line in is also a balanced input Unbalanced Line signals can be connected via RCA phono sockets There are two L amp R for a stereo signal which are mixed together internally to mono The gain is also adjusted via the line in Level control Of course the line and microphone inputs can all be used at the same time The Master Volume determines the output volume of the cabinet The shared Bass and Treble controls are used to shape the output sound A Bass Boost switch at LDPN12 2A and LDPN15 2A allows you to enhance the bass response by 3dB 100Hz LDPN12 2A and 6dB 100Hz LDPN15 2A which is particularly useful at low to mid volume levels However at higher levels this should be switched off as clip
3. ping or distortion may occur Before switching on the power to the unit the green LED serves as an indicator lamp all level controls should be set to minimum Otherwise microphones already connected to the system may cause undesired feedback Start with the tone controls in the middle position Volume balancing between the various input sources takes place using the associated level controls the master volume controls the final combined output volume The red LED blinks to indicate amplifier clipping which should be avoided Should a low humming noise ground loop occur this can be eliminated by switching the Ground Lift to On Ground looping is caused by two pieces of equipment being doubly earthed A blue LED in front of all cabinets shows signal present Limited Warranty ADAM HALL warrants this product to be free of demonstrable flaws in material and workmanship for a period of 24 months from the date of invoice This limited warranty does not include damage due to improper operation or use for purposes other than those intended by the manufacturer Tampering with or modifying the product will also void any and all warranties www adamhall com
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