Supply Of Supply, installation, testing and commissioning of PA System

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Supply Of supply, installation, testing and commissioning of pa system , chairman unit shall have these functional features: chairman units are equipped with enha nced functionality that enables the user to take the role of chairman in a conference or meeting. the unit h as a fixed microphone with flexible stem. headphone sockets can be used to listen to the discussion in situ ations with excessive background noise.? priority button for chairman microphone -in addition to the ?micro phone on? button the chairman units feature a ?chairman priority? button. when pressed the priority butto n causes all currently active delegate microphones to be permanently muted. ?optional chime tone facility for preceding chairman announcements built‑in loudspeaker- loudspeaker volume is set centrally at the co ntrol unit for all delegate units. to prevent acoustic feedback, the built-in loudspeaker is automatically mut ed when the microphone is on. two headphone sockets- two 3.5 mm (0.14 in) stereo headphone sockets ( wired for mono) allow two pairs of headphones to be connected so two delegates can simultaneously use th e unit. built‑in volume control for headphones- the headphone volume level can be adjusted by means of a thumbwheel on the unit for maximum comfort. controls and indicators ? microphone on/off button. ? chair man priority button. ? rotary volume control for adjusting headphone volume. ? loudspeaker, automaticall y muted when microphone is on. ? microphone ?on? indicator (red led). ? light ring indicator on microphon e stem, lights up red when microphone is on. nominal acoustic input 85db spl 85db spl frequency respo nse? 400hz to 10khz approved make : beyerdynamic,toa,taiden, bosch or similar [ warranty period: 36 months after the date of delivery ] ] , delegate unit shall have the following functional features: ?the? delegate units enable parti cipants to actively take part in the meeting proceedings. a built-in microphone allows them to speak to the other delegates, and they can listen to the discussion using the built-in loudspeaker or (optional) personal h eadphones.? microphone with flexible stem and light ring- the microphone has a flexible stem, which is eas ily adjustable to suit personal preferences. it also allows two people to use the same delegate unit as they can pull the microphone towards them, when it is required to speak. the microphone is fixed to the base of the delegate unit. incorporated into the head of the microphone is a light ring which illuminates red when t he microphone is on. built‑in loudspeaker- loudspeaker volume is set centrally at the control unit for all del egate units. to prevent acoustic feedback, the built-in loudspeaker is automatically muted when the microp hone is on. ?two headphone sockets- two 3.5 mm (0.14 in) stereo headphone sockets (wired for mono) allo w two pairs of headphones to be connected so two delegates can simultaneously use the unit. built‑in volu me control for headphones- the headphone volume level can be adjusted by means of a thumbwheel on th e unit for maximum comfort. controls and indicators ? microphone on/off button. ? rotary volume control fo r adjusting headphone volume. ? loudspeaker,automatically muted when microphone is on. ? microphone ? on? indicator (red led). ? light ring indicator on microphone stem, lights up red when microphone is on. no minal acoustic input 85db spl 85db spl frequency response? 400hz to 10khz approved make : beyerdy namic , toa , taiden , bosch or similar [ warranty period: 36 months after the date of delivery ] ] , central control unit for control of all microphones shall have the following functional features : discussion control??the controller supports almost any kind of small or medium meeting. for business dis cussions and small conferences, two to six microphones can be active simultaneously, with the chairman al ways having speaker priority. ??the active microphone selection knob on the rear panel can be used to sel ect the number of active participants. unused microphones are switched off automatically after 65 seconds if delegates forget to switch off their units. supplies power for up to 50 discussion units ??the cu has two tr unk outputs for the loop through connection of discussion units. it is possible to connect a maximum of 25 d iscussion units in one trunk output in open loop configuration. ??maximum trunk length supported by cu is 100m in open loop configuration.? ??for closed loop configuration with 50 discussion units the loop length c an be extended upto 200meter. ??a maximum of 50 discussion units can be connected to a cu. better sou nd?the conference controller has a 3-band equaliser for tuning sound output of the system.this helps in qu ickly tuning the system to compliment the hall acoustics at different venues.this ensures optimum perform ance at all times. audio interfaces ?the cu can be interfaced with different type of devices like external au dio recorder,sound reinforcement system,external microphones and external music player. ?the headphon e output on the front of the cu can be used by a secretary for taking the minutes of the meeting, the headp hone output also has a volume control knob to adjust the volume of the headphone. ?to support external p articipants (during town-council meetings, for example), extra microphones in any style (wired, wireless, ha ndheld or podium) can be connected to the system through mic inputs on units to each ?thd at rated outp ut <1% rated output impedance 1kohm snr >-50db at rated output frequency response? 200 hz to 12 kh z input impedance 4.7kohm [ warranty period: 36 months after the date of delivery ] ] , extension cables for contribution units shall have the following functional features: 7-pole m ale to female circular din connectors. available in 10 m lengths. approval make: bahla, baredynamic, bosc h, taiden or similar [ warranty period: 36 months after the date of delivery ] ] , 15 w premium cabinet loudspeaker, dark shall have the following functional features: 15 w cabinet loudspeaker, maximum power: 22.5 w, rated power: 15 w, power tapping: 15/7.5/3.75 w, sound p ressure level at rated power / 1 w (1 khz, 1 m): 99 / 87 db (spl), effective frequency range (-10 db): 95 hz to 20 khz, opening angle at 1 khz / 4 khz (-6 db): 184? / 112? (hor.) 170? / 35? (ver.), transducers: 127 m m (5?) woofer, weatherproof ip65 protection, safety according to en 60065, operating temperature: -25 ? c to +55 ?c approval make: toa, biamp, bosch, jbl or similar [ warranty period: 36 months after the dat e of delivery ] ] , 4x4 digital singal processor shall have the following functional features:quarter rack 1ru ma inframe with eight user-configured card slots, , and built-in 4x4 i/o of dante network audio. integrated licen se-activated aec. dual core processing 40-bit floating dsp.powered using poe or included external power s upply. surface mount bracket included.4ch mic/line input ?with selectable mic, line, mic gain, and phantom power per input. 32-bit analog to digital converters.4ch line output. 32-bit digital to analog converters. 2ch input + 2ch output usb audio.software license activated aec. 8ch of aec @ 250ms delay / 16ch @ 100ms. approval make:toa, yamaha, bosch, jbl or similar [ warranty period: 36 months after the date of deliver y ] ] , camera:- video system :hdmi: 4kp@30/25fps, 1080p@60/50/30/25fps, 720p@60/50/30/25fp s usb3.0: 3840*2160p@30fps, 2560*1440p@30fps, 1920*1080p@30fps, 1280*720p@30fps, 640*480p@30 fps, 320*240p@30fps , lens : f=3.9 - 46.8mm , aperture : f1.6 - f9.6 , sensor : max effective pixel: 8.29mp, 16:9 , optical zoom : 12x , horizontal angle of view: 70.82? (w) - 6.48? (t) , vertical angle of view : 47.72? (w) - 73.66? (t) , diagonal angle of view : 78.58? (w) - 7.42? (t) , horizontal rotation range : ?175? , verti cal rotation range : ?90? , pan speed range : 0.1?/s - 80?/s , tilt speed range : 0.1?/s - 60?/s , preset num ber: 255 presets by pelco-d, 32 presets by pelco-p, 7 presets by visca (10 presets by remote controller) , s nr : >50db , focus : auto / manual , digital noise : reduction : 2d & 3d noise reduction , exposure: auto / manual.uvc features & system:- operating system support : windows 7, windows 8.1, windows 10, windo ws 11, android, mac os? 10.10 or higher, linux (require to support uvc.) , encode format : h.264, h.265, mjpg, yuy2, nv12.i/o interface :- video interfaces : hdmi, usb3.0 , lan : 10m/100m adaptive ethernet port , support poe ieee802.3af , network protocol : rtsp, rtmp, onvif, gb28181; support visca over ip , cont rol protocol : visca/pelco-d/pelco-p; baud rate: 9600/4800/38400/2400 , control interface : rs-232 (input & output), rs-485, type-c (uvc1.1).electrical & general :- input voltage : dc 12v , input current : 1.0a (ma x.) , power consumption : 13w (max.) , store temperature ; -10?c - +60?c , store humidity : 20% - 90% , working temperature : -10?c - +50?c , working humidity : 20% - 80% , dimension (w*h*d) : 171.6*192.6* 171.6mm / 260*217*197mm (before / after packing) , n.w. / g.w : 1.43kg / 2.096kg (net / gross weight) , a ccessory : 1x camera; 1x usb cable; 1x power adapter; 1x wall mount; 1x manual , warranty : 3 years [ w arranty period: 36 months after the date of delivery ] ] , 4x4 matrix switcher with de-embedded shall have the following functional features:4 hdmi i n, 4 hdmi out, hdmi2.0b matrix, audio extract, 4k -> 1080p downscaler/cec/arc/ ir/rs232/web gui tcp i p, 4k@60hz 4:4:4, hdcp2.2 it should have 4 x hdmi 2.0b input and outputs portit should have 4 ? l/r audi o output (3.5mm and coax)it should support 18gbps 4k@60 4:4:4, 8/10/12bit colourit should support hdc p 2.2it should support analog: pcm2.0, hdmi:pcm2.0/5.1/7.1 ch, dolby digital/plus and dts/dts (hr), spdi f:dolby digital dts 5.1it should support ycbcr 4:4:4 / 4:2:2. yuv 4:2:0 color spaceit should support control via ir remote control, web gui, tcp/ip, rs232 with api, front panel buttonit should have front panel contr ol buttonsit should support advanced edid managementit should support scaling it should hdr10, hdr10+ . dolby vision, hlg it should have esd protection: ?8kv (air-gap discharge) & ?4kv (contact discharge) it s hould be compatible with ce / fcc standardsproduct?s country of origin should not be any country which s hares any land border with india.approved make :lumens, cybernetyx, arec, aver or similar [ warranty p eriod: 36 months after the date of delivery ] ] , 2 core 1.00 sq mm speaker cable shall have the following functional features: 1.0 sqmm (32 /0.20mm) x 2 core cable atc copper conductor pvc insulated , core twisted, outer jacketed with vasiform t ype pvc sheath. approval make : crestron, aten, 4thewall, rextron or similar [ warranty period: 36 mo nths after the date of delivery ] ] , 23 awg 3 core 1.00 sq mm microphone cable shall have the following functional features: 23 awg, 3 core, 1.00 sq.mm microphone cable, flexible multicore copper cable, product code 17003, having b right-annealed bare copper stranded conductors, fr pvc insulation and overall round pvc sheath, voltage grade up to 1100 v, conforming to is 694, with red, black and yellow/green cores, approval make : kystal, belden, polycab, proel or similar [ warranty period: 36 months after the date of delivery ] ] , 120 w class d mixer amplifier with usb & bluetooth shall have the following functional featu res: 4 mic/line inputs, music source input, single zone class d mixer amplfier with 120watt rms power, 100 v output and low impedance connection for a 4- ohm load, four volume knobs for microphone inputs, com mon volume knob for aux and music source inputs, knob for treble level, bass level & master voulme knob, mains power supply 230 vac ?10%, 50 hzfrequency response (line) 70 hz ? 18,000 hz @ -10 db of rated o utputtotal harmonic distortion (%): < 1% @ rated output powermic./line input 4 xconnector type - input 1: 5-pin euroblock, balancedconnector type - input 2: 3-pin female xlr, balanced connector type - input 3 an d 4: 1/4 trs jack, balancedsensitivity 1 mv (mic.); 200 to 300 mv (line)impedance >1 kohm (mic.); >5 ko hm (line)approval make : kystal, finilex , polycab, proel or similar [ warranty period: 36 months after the date of delivery ] ]