tender for supplying, installation & commissioning of projector machines & sound system in the placement & training office & seminar room, asutosh museum, college street campus, c.u---- 1 sitc of wall mount speakers: frequency range ( -10db ) : 62hz-20khz, components: 5.25” cone, 0.75” soft dome, coverage area ( hxv ) 120”x120”, crossover: 3khz, spl: sensitivity ( 1w, 1m on axis ) : 89db spl, peak ( calculated ) : 114db spl. make-yamaha or equivalent. 2 sitc of mixer amplifier: two ( 2 ) channel mixer amplifier with output power 120wx2 ( 20ms burst ) @4ohm, 100wx2 ( 20ms burst ) @20ohm, 120wx2 or 200wx1 @100v; thd:<_2% line in speaker out, half power@ 1khz, 70v / 100v, 120w / 200w ) ; frequency response: 0db, -2.5db, +1.0db ( line in to line out, 20hz to 20khz ) ; mic / line input connectors: input 1-6:3.5mm euroblock ( 6pin balanced ) x3, input 7-8: stereo rca pin ( unbalancedx2 ) ; speaker output: barrier stripx2pairs; line out: mono rca pin x 2 ( unbalanced ) ; inbuilt load protection, amplifier protection & power supply protection.make- yamaha or equivalent. 3 sitc of wireless handheld vocal mic: receiver system: antenna switching diversity; image rejection: 55db minimum; dynamic range : hh: 108db bp:103db ( @max deviation ) ; sensivity: 10dbmicrov ( s / n 60db @ 20khz deviation ) ; total harmonic distortion: <1%-20khz deviation @ 1khz; level control: mic / line ( 0 / -20db ) ;handheld transmitter: rf output power: 10mw; microwave element: cardioid condenser, batteries included : two 1.5v aa alkaline, life 10hours- depending on battery type & use pattern.make-audio-technica / sennheiser or equivalent. 4 sitc of projector: 3lcd laser projector with brightness5300lm, resolution-wuxga ( 1920x1200 ) , contrast ratio ( full white / full black infinity:1, laser light source -20000hrs, inputs: hdmi 19pinx2 ( compatible with hdcp, deep color, 4k / 30p6, signal input ) , cec supported, d-sub 15pin ( female ) x 2 ( rgb / ypbpr / ycbcr ) , audio input: m3 stereo mini jack x 2, serial in: d-sub-9-pin ( female ) x 1 for computer control ( rs-232c compliant ) , hdbase t interface connector: rj45, 4 play ( video, audio, lan, control ) , lan:rj45, 10base-t / 100base-tx; built in speaker 16w monaural. make-sony / epson or equivalent. 5 sitc of projector: rgb liquid crystal shutter projector system ( 3lcd ) , brightness: white light output ( normal / eco ) :5000lm / 3470lm; color light output: 5000lm; connectivity: analog input: d-sub 15 pin 1 ( black ) , component: d-sub 15 pin ( blue molding ) x 2 ( in common with analog rgb connector ) , composite: rca ( yellow ) x 1, s-video: mini din digital input: hdmi;1, display port: yes. make- sony / epson or equivalent. 6 sitc of motorized screen: high gain matt white motorized screen with remote control, 4:3 aspect ratio, 120” ( 8’x6’ approx ) . make- reputed. 7 sitc for ceiling mounted kit for projector. 8 sitc of wall plate: wall plate with hdmi connectivity. 9 sitc of cables & connectors including all audio, speaker / hdmi / usb cables / wires copper conductor, xlpe / pvc insulated superflex jacket with sequential numbering with necessary ul listed, connectors: 3pole m / f connectors, nickel housing: silver contacts / 2contact rca / 3.5mm phone jack with various grommet colours & cable protection-in lot.make-reputed. 10 sitc of equipment rack: 22ru equipment rack with louvered steel chasis, lockable glass door, hardware, pdu, fan, trays, cable manager with all necessary accessories. make- reputed. 11 sitc of isi marked 25mm round pvc casing / conduits with all necessary fixtures & laying in meters. make- reputed.