Voice Announcement Machine Repair Tenders

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CTN :39206183

25 Feb, 2025 NA

Udhampur - Jammu And Kashmir

Tender For supply of high power loud speaker system , professional digital power amplifier , audio mixing console

Central Government/Public Sector

CTN :39207059

25 Feb, 2025 3.90 Lacs

Tuticorin - Tamil Nadu

Tender For tender for supply of mb sre and intercom system spares - hand held micro phone as per specifications , hand held micro phone with plugs as per specifications , hand held mic as per specifications , horn loud speaker as per specifications , mic with 10 mtr cable as per specifications , horn speaker as per specifications , bulk head mount speaker as per specifications , horn type speaker as per specifications

CTN :39170779

20 Feb, 2025 NA

Krishnagiri - Tamil Nadu

Tender For supply of lab equipments for ece department - list of equipment items, sample and hold kit specification1) carrier signal generator - clock pulse 1khz to 10khz variable2)sampling signal - sine (1hz - 1khz)3)mosfet based & ic based circuit4)power supply inbuilt ( 15v/500ma, 5v/500ma)5)patch cards6)input ac 230v, 50 hz, moving coil microphone characteristics trainer kit specification1)sine wave signal generator 100hz to 1khz.2)moving coil micro phone 360 unidirectional signal response output3)8 ohms loud speaker 4)patch cards5)input ac 230v, 50 hz, dynamic cone loudspeaker characteristics trainer kitspecification1)sine wave signal generator 100hz to 1khz.2)dynamic cone loudspeaker 360 unidirectional signal response output3)microphone 4)patch cards5)input ac 230v, 50 hz, schering bridge kit - ac bridgespecification1)measuring range (unknown capacitance range in a)capacitance in f any five value b)capacitance in mf any five value & c)unknown resistance any five values)2)sensitivity +0.1mf3)tolerance 5%4)source 1 khz sine wave5)multirange resistances in bridge circuits 6) patch cards , maxwells bridge kit - ac bridgespecification1)for measuring very small values of inductance2)on board null detection circuit with differential amplifier3)ac to dc convertor 4)dpm : 200mv5)mains supply : 230 v 10%, 50 hz6)dc power supply : +12v, -12v 7)multirange resistances in bridge circuits 8) patch cards 9)a 1 khz sine wave generator is provided with amplitude variation facility(i.fixed frequency : 1khz 5% ii.amplitude control range : upto 20vpp iii.unknown inductors : any five values in both h & mh iv.dpm : 200mv v.unknown internal resistance : 470w any five values)

CTN :39144245

20 Feb, 2025 NA

Ernakulam - Kerala

Tender For tender for supply of 24kpic001procurement of intercom spares - 16x0 point 2mm 2 core shielded un armoured microphone cable , driver unit , 20 pair cable conductor multi strand atc size 16 0 point 2 mm , fuse holder , loud speaker 8w wt pan 9603 , extension amplifier , headset with 17 pin plug , fuse 125ma , 20 pair 0 point 5 mm dia telephone cable lhf signal cable , communication station with built in speaker , outdoor communication station , headset with 7 pole connector and pre amp