SECTION-II AUDIO, VIDEO AND CONTROL SYSTEM WORK IN THE CONFERENCE ROOM

Transcription

1 SECTION-II AUDIO, VIDEO AND CONTROL SYSTEM WORK IN THE CONFERENCE ROOM Sl. No. Description Unit Quantity Rate Per Amount 1 Supply of the following equipments to achieve best performance of the Audio, Video and Control System in the Conference Room. i) Cordless Lapel Pin Microphone Systems consisting of Receiver Diversity Type-1 PC. Frequency Response Audio - 35 Hz to 20 KHz Led, LCD Display THD : > 0.3% Channels > 10 per band Lapel Element - 1 PC Microphone Type : Condenser Polat Pattern - Cardiod Frequency Response Audio : KHz Signal/Noise Ratio : 60 db Sensitivity : 8.8 ml/pa at 1 KHz Cable > 1.6 m Cable Terminated in a Female 3 Pin XLR Connector SPL for 1% : 118 db Body Pack Transmitter Unit - 1PC THD : < = 0.8% RR Output : 40 MW (ERP) Signal/Noise Ratio : > 120 db Conference Room SQ-1

2 ii) Cordless Hand Held Microphone System consisting of Receiver Diversity Type - 1PC Frequency Response Audio : 35 Hz to 20 KHz THD : < 0.3% Channels : > 10 per Band Hand Transmitter Unit - 1PC RF Output : 50 MW (ERP) Frequency Response : Hz iii) Gooseneck Microphone Polar Pattern : Cardiod Frequency Response : 50 to KHz Signal/Noise Ratio : 73 db Sensitivity : 18 mv/pa (- 35 dbv) Cable : Male 3 Pin XLR Base Cut Filter : 250 Hz - 10 db at 50 Hz Impedence : < 600 Ohms SPL for 1% : 125 db [Make : AKG, SHURE, SENNHISER]. Nos 2 each iv) Polar Pattern - Hypercardiod Frequency Response : 50 to KHz Signal/Noise Ratio : 73 db Sensitivity : 20 m V/Pa (-34 dbv) Impedence : < 600 Ohms Load Impedence : > 200 Ohms SPL for 1% : 125 db Conference Room SQ-2

3 v) Professional Power Amplifier with Converter Transformer Power Output : (at 8/4 Ohms) 500 Watts 8 Ohms and 800 Watt 40 Ohms x 2 channels Sensitivity : 1.25 Vrms Frequency Response (at 1 Watt, 22 Hz to 20 KHz) : + 0 db - 1 db vi) vii) Signal to Noise Ratio : (20 Hz to 20 KHz, Inputs terminated) A - weighted, below rated power : > 100 db. No Weighting, Below Rated Power : > 95 db THD : < 0.5% IMD : (60 Hz and 7 KHz at 4:1) from full rated output to - 40 db : < 0.3% Damping Factor (8 Ohm) 10 Hz to 400 Hz : > 200 Cross Talk (below rated power) : at 1 KHz : 75 db Input Impedence (Nominal) : 20 Kohms bal converter Transformer - toroidal type > 400 W [Make : CROWN, OHM, QSC]. No. 1 each Constant Voltage Transformer Single autoformer that provides impedence matching between an amplifier output and "Constant Voltage" loudspeaker. It allows amplifiers without direct 70 V or 100 V output capacity to drive distributed peaker systems designed to operate at those voltage. [Make : CROWN, OHM, QSC]. Nos 2 each Audio Mixer 4 Channel Frequency Response : Mic/line input/output + 1/- 1.5 db, 20 Hz - 20 KHz GB 30 high quality mic preamps, switchable + 4 dbu/- 10 db sensitivity on sterco inputs 100 Hz high pass filter on each mic input to element. Conference Room SQ-3

4 1)vii) (contd) THD : 1 KHz Cross talk (@ 1 KHz) channel faders > 87 db Master faders < 100 db Mis input 10 dbu max Line input + 20 dbu max Stereo input + 20 dbu max viii) ix) Mix Output + 25 DBU max Power less than 40 W [Make : SOUNDCRAFT, MACKIE, ALLEN HEATH]. Incelling Speaker 2 Way with Crossover and Back-can Frequency Range : 75 Hz - 20 Hz Power Capacity : 150 W Pink : 75 W Dispersion : 110 degree conical Sensitivity : 89 DB Normal Impedence : 16 Ohms No. 1 each [Make : JBL, EAW, OHM]. Nos 9 each Sleek and Compact DLP Multimedia Projector Display Device : 0.55" dlp chip x 1 Colour Wheel : 6 Segment Brightness/Contrast Ratio : 2700 ANSI Lumans/2000:1 Native Resolution : SVGA (800 x 600)/4:3 Manual Zoom : 1:1.2 x 200 m (f = 19.0 ~ 22.7mm) Vertical Frequency : KHz Audio Systems : 7 Watt Lamp Life : Upto 2000 Hours Lamp Modules : An - d 350 lp or an - d350 lp/1 [Make : SHARP, NEC, INFOCUS, PANASONIC]. No. 1 each Conference Room SQ-4

5 x) Projector Stand from Ceiling. [Make : Custom] No. 1 each xi) Audio Video connecting cable with connector. [Make : Custom]. No. 1 each xii) Motor Screen along with remote control. [Make : SHARP, NEC, INFOCUS, SHARP]. No. 1 each xiii) Speaker Cable in Meters Annealed tinned multistrand copper twin zip or twisted pair construction PVC insulation and each 2 core of at least 2.5 mm. [Make Finolex/RR Kabel]. Coils 2 coil xiv) Signal Cable in Meters 2 core annealed tinned copper of 2.5 mm PVC isulation, copper mash shield 85% on PVC jacket. [Make : Finolex/RR Kabel]. Coils 3 coil xv) Connector sets, XLR male and female, phonojack, stereojack, RCA in LOT. [Make : Neutric]. L.S L.S Total Conference Room SQ-5