bids are invited for 1 sitc of wall mounted communication rack with glass doors, handles , lock , top and bottom cable entries, supports for mounting rack on wall , cable managers, one fan, equipment mounting hardware, power supply box for supplying power to switches, fans etc along with earth continuity kit, mcb, indicator, moulded power supply cable, gp-1, 12 u floor standing rack including all accessories. 1 each 2 sitc of two way single 18 subwoofer with same footprints as main speaker for arraying in the same frame, having a freq. range ( -10 db ) of 28 hz - 650hz & freq. response1 ( -3 db ) : 35 hz - 100 khz or better. lf driver: 1 x selenium sws1000w 457 mm ( 18 in ) woofer it should have an axial sensitivity of >=99db ( 1w / 1m ) or more delivering a max. calculated spl of >=131 db.the loudspeaker should have a nominal impedence :8ohm and continuous power handling of <=800w continous & a minimum of 25 m10 suspension points. dimensions ( h x w x d ) : 678 mm x 536 mm x 615 mm 2 each 3 sitc of two way powered single 15 loudspeaker with same footprints as main speaker for lf driver: 1 x m115-8a 380 mm ( 15 in ) differential drive® woofer hf driver: 1 x 2414h-c 25 mm ( 1 in ) polymer diaphragm, compression driver, having a freq. range ( -10 db ) of 28hz - 650hz & freq. response1 ( -3 db ) : 35 hz - 100 khz or better. it should have an axial sensitivity of >=99db ( 1w / 1m ) or more delivering a max. calculated spl of >=131 db.the loudspeaker should have a nominal impedence :8ohm and continuous power handling of <=400w continous & a minimum of 25 m10 suspension points, dimensions ( h x w x d ) 650 mm x 429 mm x 457 mm 6 each 4 supply , installation, testing and comissioning of 2 channel power amplifier with inbuilt dsp ( crossover, eq, delay, limiting ) stable max midband output power >= 2 x 2100w @ 4 fi, frequency response, ref. 1 khz: 10hz - 21 khz ( ±1db ) , thd:<0.05%, max input level >= +21 dbu, input impedence:20 kfi, signal to noise ratio > = 104 db, crosstalk < -80 db with built in protection such as audio limiters, high temperature, dc, hf, back-emf, peak current limiters, inrush current limiters, turn on delay in respect to approved makes. 5 sitc of 12 two- way ,self-powered monitor speaker having frequency range:58 hz - 18 khzz ,maximum calculated spl ≥ 125 db, coverage angle(hxv):90x50 or better ,amplifier power output:1300w, dimensions (d x w x h): 11.77 x 15.75 x 24.35 in, cabinet: polypropylene with full steel grille. the loudspeaker should have monitor angle on enclosure for use as stage monitors in respect to approved makes. 2 each 6 supply of compact two-way loudspeaker with 5.25 lf transducer & 0.75 hf transducer, freq. response (-3 db ):85 hz - 20 khz freq. range (-10 db): 60 hz - 20 khz coverage: 90° x 90° axial sensitivity: 90 db (1 w/1 m) max.calculated spl: 115 db peak, passive power handling: 75 w continuous, 300 w peak ,transformer taps: 30w/15w/7.5w,impedance: 8 ohms (nominal), 6.0 ohms (min.) in respect to approved makes. 2 each 7 supply of analog mixing console: 24 mic inputs, other standard features of the lx7ii include frame sizes up to 24 mono inputs and four stereo inputs/returns with four groups, main stereo output and a dedicated mono output for centre clusters. there are direct outputs on the first 16 inputs suitable for multitrack recording, and six auxes for flexibility, effects and foldback. the lx7ii mixes to seven outputs—four subgroups, plus the main left, right and centre (mono) mix outputs. 1 each 8 supply of digital signal processor 2 input and 6 output with analog mic/line inputs, the driverack® 260 also offers a configurable delay with 2.7 seconds of total delay time. the 260 provides full bandpass and crossover filtering and routing including bessel, butterworth and linkwitz-riley topologies. there is parametric eq available on each output as well as dbx® peakstopplus™ limiting, 12- analog output, 6 with complete programming and monitoring on usb having compressor, limiters, presets. gate, automatic gain controls, etc 3 control in 6 control out. 1 each 9 supply, installation, testing and commissioning of handheld wireless mic of 12 channel with the following specifications transmitter: frequency response - 30 hz to 16 khz, polar pattern - cardioid/ super cardioid ,sensitivity > 5.2 mv/pa, rf output power - 50 mw, should have the provision of changing microphone heads receiver: bandwidth - 36 mhz, carrier frequency range - 480 to 865 mhz, signal to noise ratio > 100 db a, frequency response - 55 hz to 16 khz complete etc as reqd. 2 nos 10 supply installation testing and commissioning of wireless lapel mic of 12 channel with the following specifications - transmitter: frequency response - 100 hz to 15 khz, polar pattern - cardioid/ super cardioid, sensitivity > 19 mv/pa , maximum spl > 114 db, rf output power - 50 mw receiver: bandwidth - 36 mhz, carrier frequency range - 480 to 865 mhz, signal to noise ratio > 100 db a, frequency response - 65 hz to 16 khz complete etc as reqd. 11 supply of freestanding gooseneck mic with base for podium having dual condensor back electret microphone element, selectable omnidirectional/ cardioid/ supercardioid/ hyper cardioid polar pattern,led status display and with programmable button for push to talk or push to mute functions having ,frequency response 50hz-20khz ,sensitivity 5.5mv/pa,clipping level >125db spl ,output impendence 200 ohm, dynamic range 1 nos 12 supply of corded vocal microphone with dynamic neodymiun magnet based microphone element with frequency response of 80hz- 16khz or better ,sensitivity of>= 2.2 mv/pa ,rated impedence of 600 ohm. including mic stand with base in respect to approved makes. 2 nos 13 supply of hanging microphone with cardioid condenser, audio frequency bandwidth70 - 18000 hz equivalent noise level21 db-a, sensitivity18 mv/pa, signal to noise73 db-a, electrical impedance 600 ohms, recommended load impedance2000 ohms 6 nos 14 supply & drawing of 2 core x 2.5 sqmm cable for speakers in existing conduit as required. 600 mtrs 15 supply & drawing of 2 core shielded cable for connectings microphones in existing conduit as required. 1000 mtrs 16 supply and installation of floor boxes for multiple microphone connectivty at stage 3 nos 17 supply & fixing of xlr connectors (for connecting speakers & mikes with amplifier 1 lot 18 installation testing and commissioning