Latest speaker repair Tenders | Government speaker repair Tenders

Central Government/Public Sector

CTN :39605794

28 Mar, 2025 NA

Gandhinagar - Gujarat

Tender For supply of sitc of video matrix controller with dante - audio and video integration, lighting automation, occupancy sensor , supply, installation, testing and commissioning of ceiling microphone with beamforming technology, optimize digital workflows with software etc as per detailed specifications , sitc of 4k ptz camera having sony 1 by 1.8 inch uhd cmos sensor with 4k at 60 fps, progressive scanning mode, 20x optical zoom with f1.58-f3.95, f equals to .25mm- 125mm, digital zoom 16x , sitc of power amplifier in a 2u high 19 inch case for rack mounting or tabletop use having rated output,rms, 120 w , sitc of 5 inch ceiling speaker peak power handling - 40 w , sitc of audio visual rack for all audio visual equipment with required cables, connectors

State Government

CTN :39565718

10 Mar, 2025 1.51 Lacs

Udhampur - Jammu And Kashmir

Tender For providing and fitting of essential items and allied material for snow clearance operation at nathatop sanasar road - supply, testing and commissioning of 48v smps float cum boost automotive battery charger with moveable trolley stand for snow operation at nathatop - sanasar roadgeneral technical requirements for battery charger suitable for 48v vrla type battery1.) type -float & float cum boost charger for vrla type, full wave, full controlled type. 2. ) ratings- 15 a float cum boost for 48v, 150 ah vrla type battery 3. ) ac input- i) voltage 415 vac 10%ii) frequency 50hz 5% iii) phase 3 - phase 4.) d.c.output voltage settings -nominal float fc 48/54.5v (adj. by + 20%, - 5% bc 48/66.5v (adj. by + 2%, - 5%) 5.) output current limit 15a 15a 6. ) power conversion ac to dc by means of three phase full wave, half controlled bridge rectifier consisting of thyristors and diodes. 7.) voltage regulation at bridge output. + 1% of set value for + 10% input voltage variations, 0-100% load variation. 8. ripple voltage less than 3% rms without battery connected. 9. efficiency more than 80% at full load 10. protections (a) input side ac input mccb & elbs with input on/off switch and fuses, contactor (b) output side dc output mccb with output on/off switch and fuses. (c) protection current limit protection, soft start feature, surge suppressor. fast semiconductor fuses for rectifier bridge. (d) control circuit fuses (e) capacitor circuit rectifier hrc fuses. (f) over-voltage cut-back (g) charger over load / short circuit (h) blocking diode 11. controls and switches followings controls and switches are provided in the system 1 ac input source mccbs with interlocking 2 dc output mccb 3 auto/manual float/boost mode selector switch. 4 float and boost voltage variable potentiometers. 5 manual voltage adjustment potentiometer 6 test push button 7 reset push button 8 battery current adjustment potentiometers 9 heater s power supply switch 12. features the following features are provided in the systems: 10 soft start on dc side 11 class-f insulation for all magnetic 12 automatic voltage regulation. 13 automatic changeover from float to boost and vice versa based on current, drawn by battery. 14 filter circuit to eliminate ripple. 15 charger current limit 16 separate battery path current limit. 17 built-in auto phase reversal of operation. 13. meters f.c. b.c. (i)input voltmeter (i) common (ii) input ammeter (ii) input ammeter (iii) output voltmeter (iii) output voltmeter (iv) output ammeter (iv) output ammeter. battery volt meter battery ammeter earth leakage ammeter 14. indications phase on lamps (ii) output on lamp a)phase on lamps (ii) output on lamp. (iii) charger on float led (iv)charger on boost led. 15. annunciation with audiovisual alarms. (i) ac input mains failure (ii) input phase failure (iii) ac under voltage iv) input phase failure v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped xiii) charger over load xiv) earth leakage xv) dc earth fault xvi) alarm supply fuse failure xvii)battery low condition. v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped. note : all the alarms shall be provided through electronic display cards. audio alarm through buzzer, visual indication through 10 mm leds & alarm ackn. / reset and led provision is through push buttons. 16. operating ambient temperature surrounding the panel 00 to 500 c 17. surrounding the panel relative humidity. 0-95% non-condensing 18. panel (i) protective grade (ii) cooling (iii)paint ip 42 natural air-cooled smoke grey of iss-692 shade a) average winding temperature rise over ambient temperature b) insulation class c) insulation breakdown voltage. as per relevant iss. f 3 kv for 1 min withstand. 19. cables 1100 v

CTN :39282789

13 Mar, 2025 NA

Gandhinagar - Gujarat

Tender For corrigendum : day to day operations for audio-visual equipment at iit gandhinagar

CTN :39586925

13 Mar, 2025 NA

Samastipur - Bihar

Tender For comprehensive integrated consultancy services for : preparation of detailed project report (dpr) including external development works, surrounding roads/paths, entrances, gates, parking, surrounding landscaping and preparation of detailed architectural & structural drawings including services drawings for internal water supply, external water supply, sanitary installation, sewerage, drainage, other e & m services, internal and external electrical installation, hvac firefighting, audio visual, interior designing, furnishing etc. for construction of auditorium building (balance works) considering the structural stability/feasibility report (copy attached) for rpcau campus pusa, samastipur (bihar).

State Government

CTN :39604671

24 Mar, 2025 NA

Mangalore - Karnataka

Tender For supply of xerox machine, audio visual equipments with component and lcd projector with accessories of known reputed brands to university college, mangalore. under rusa grant

State Government

CTN :39571557

11 Mar, 2025 NA

Multi City - Telangana

Tender For supply, installation and commissioning of audio-visual equipment at educational multimedia research centre, osmania university

CTN :39575819

19 Mar, 2025 6.03 Crore

Mumbai - Maharashtra

Tender For supplying, installing, testing, and commissioning of audio visual system at economics department, eco hub building, iit bombay.

CTN :39558507

12 Mar, 2025 10.14 Lacs

Panvel - Maharashtra

Tender For comprehensive maintenance of audio visual system, lan networking system and cctv system installed at national institute of public health training and research (niphtr) (fwt&rc) institutional complex, new panvel.subwork/packages:comprehensive maintenance of audio visual system, lan networking system and cctv

State Government

CTN :39559449

11 Mar, 2025 NA

Multi City - Telangana

Tender For supply, installation and commissioning of audio-visual equipment at educational multimedia research centre, osmania university

Central Government / Public Sector

CTN :39334775

12 Mar, 2025 NA

Delhi - Delhi

Tender For corrigendum : supply of led video wall screen , professional ultra hd display panel , ultra hd display panel , professional ultra hd display panel 75 , professional ultra hd display panel 65 , professional ultra hd display panel 55 , professional ultra hd display panel 43 , multi touch interactive 65 , multi touch interactive 75 , wall mount 75kg , wall mount 110kg , universal flat screen ceiling mount , mount trolley , cable cubby type 1 , cable cubby type 2 , wooden lectern , room scheduler display , wireless presentation module , ptz conference camera , ptz conference camera with minimum 20 x , hd visual communications system , mini pc , switcher with hdmi type one , switcher with hdmi type two , hdmi , av x , communication bar type1 , communication bar type2 , round ceiling mounted beamforming microphone array , ceiling microphone with automatic dynamic beamforming technology , digital wireless uhf handheld microphone set , digital wireless uhf lapel microphone , digital wireless uhf headset microphone , active antenna splitter , antenna booster , passive directional antenna , 2 way antenna splitter , charging set with usb charge , 40 cm gooseneck shotgun microphone , wireless access point , tabletop wireless conference unit , short stem removable 98mm , audio license , charging station , open architecture digital signal processor type 1 , open architecture digital signal processor type 2 , open architecture fle xible chassis , software based control system , network i by o e xpander , multi touch touch screen controller , multi touch touch screen controller with 24 bit , managed switch , managed switch 24 , mount loudspeaker , two way pendant mount loudspeaker , ceiling mount loudspeaker with back can , 8 channel class d amplifier , quad channel class d amplifier , 1 meter premium high speed hdmi , 2 meter premium high speed hdmi , 3 meter premium high speed hdmi , 5 meter premium high speed hdmi , 10 meter premium high speed hdm , 15 meter premium high speed hdmi , two meter full featured type c proav cable , 10 meter husb 3 1 gen1 superspeed active e xtension cable , industrial hub switch , 14 awg speaker cable , 6 stp cable , connector and accessories , rack structure 24 u air cooled av equipment rack , content management system , professional hd display

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