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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹9.7 LAccepted-AOC 62A PRASANTA ROY ROAD BARISHA KOLKATA 700008 | KOLKATA | KOLKATA | WEST BENGAL | 700008 | ₹9.7 L | L1 | Accepted-AOC Lowest Bidder |
| 2 | L2₹10.0 L+₹31,702 (3.27%)Rejected-Finance | ₹10.0 L+₹31,702 (3.27%) | L2 | Rejected-Finance 2nd Lowest Bidder |
| 3 | L3₹10.1 L+₹34,562 (3.56%)Rejected-Finance 11E SANTOSH ROY ROAD KOLKATA 700 008 | KOLKATA | KOLKATA | WEST BENGAL | 700008 | ₹10.1 L+₹34,562 (3.56%) | L3 | Rejected-Finance 3rd Lowest Bidder |
| Sl No | Description | Qty | Unit | ELECTRON L1 | ATOP ELECTRONICS CORPORATION L3 | DEY ELECTRO DIGITAL L2 |
|---|---|---|---|---|---|---|
| 1.00 | SUPPLY of Dual channel digital power amplifier. Minimum requirment : 350W @ 4 Ohms per channel, LCD Display with DSP, Forced air fan privent excessive thermal buildup, Frq. Resp. 20-20KHZ. THD 0.5% OR BETTER. (Make - BOSE/ ELECTROVOICE/Shure/SENNHEISER) | 4 | Nos | 40,000 ₹1,60,000 Lowest | 40,000 ₹1,60,000 Lowest | 46,500 ₹1,86,000 |
| 2.00 | SUPPLY of Automatic microphone mixer, USING SHURE'S Patented Intellimix operational concept. Intellimix activates only those microphones being addressed, minimizing the poor audio caused by multiple open microphones. Automatic gain adjusment as additional microphone are activated , (NOMA: Number of open microphone Attenuator) Adjustable EQ per channel: low frequency rolloff and high frequency shelving, 48V phantom power selectable for each input., Highly RF resistant chassis and circuitry , Bi- color LED indication of channel activation and clipping , Linking capability for systems up to 400 microphones, Front panel headphones output with level control , peak responding output limiter with selectable thresh olds and LED indicator, Freqn. Resp. 50Hz to 20KHz , Line output voltage gain : low-impedance mic (150 ohms) 80dB , Line- 40dB, Aux - 44dB, Total Harmonic Distortion (through 20Hz 0 20KHz filter ; input 1 and master at 5, all other controls full counterclockwise) <0.1% at +18dBV output level , 50Hz to 20KHz , Hum and Noise (150Ω source ; 400Hz - 20KHz filter) equivalent input noise -125dBV) Equivalent Input Hum and Noise (150Ω source; through 20Hz-20KHz filter) -123dBV; Output Hum and Noise (through 20Hz - 20KHz filter, channel control full counterclockwise:-90 dBV , Master full clockwise : -70dBV., Input channel Activation : Attack time: 4 msec ,hold time 0.4 (switchable to 1.0 sec) Decay time: 0.5 sec , Model No. SCM 810, Make - SHURE / SENNHEISER / MI-DAS) | 2 | Nos | 1,69,500 ₹3,39,000 Lowest | 1,71,500 ₹3,43,000 | 1,69,500 ₹3,39,000 Lowest |
| 3.00 | SITC of 18" desktop gooseneck condenser micro- phone , Including cable , connector attached 10' XLR cable , logic functions , programmable switch and LED indicator, Attached desktop base, Frequency Response (Figure 1) 50 to 17,000 Hz ;Polar Pattern (Figure 2);Output Impedance (at 1000 Hz) Rated at 150 Ω (180 Ω actual)Open Circuit Sensitivity (at 1 kHz, ref. 1 V/Pascal*) :Cardioid: –35.0 dB (17.8 mV) ; Maximum SPL (1 kHz at 1% THD, 1 kΩ load): Cardioid: 124.2 dB; Signal to Noise Ratio (referenced at 94 dB SPL) :Cardioid: 66.0 dB ; Dynamic Range at 1 kΩ Load 96.2 dB,100 dB at 0 gain; Common Mode Rejection 45.0 dB minimum ,Mute Switch Attenuation (switched models only) 50.0 dB minimum ;Preamplifier Output Clipping Level (1% THD) – 6.0 dBV (0.5 V),–12 dB at 0 gain; Polarity:Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output connector.; Power Requirements: 11 to 52 Vdc phantom, 2.0 mA.
(Make - SHURE / SENNHEISER/ BEYER DYNAMIC) | 10 | Nos | 30,000 ₹3,00,000 Lowest | 32,500 ₹3,25,000 | 30,000 ₹3,00,000 Lowest |
| 4.00 | Supply and Installation of Microphone wind screen. (Make - SHURE/Bosch/SENNHEISER) | 30 | Nos | 510 ₹15,300 Lowest | 510 ₹15,300 Lowest | 530 ₹15,900 |
| 5.00 | Add. G.S.T.@ 18% on total value. | 1 | Item | 1,46,574 ₹1,46,574 Lowest | 1,51,794 ₹1,51,794 | 1,51,362 ₹1,51,362 |
| 6.00 | Add. LWC.@ 1% on total value | 1 | Item | 9,609 ₹9,609 Lowest | 9,951 ₹9,951 | 9,923 ₹9,923 |
Tender Value
Refer Docs
EMD Value
₹20,433
Closing Date
19 Sept 2025, 1:00 pmClosed
EE-I,WKED,PWDte.
New Secretariat Building, C Block, 4th floor 1, K.S Roy Road, Kolkata-700001
Supply of Equipments for Audio systems to be used in Court rooms as backup and spare units at Calcutta High Court..
2025_WBPWD_896016_1
WBPWD/EE-WKED/NIQ-09/2025-26
Open Tender
Supply
Item Rate
7 days
High Court, Calcutta
Please refer Tender documents.
5 documents required · 5 mandatory
₹20,433
16 Sept 2026
28 Aug 2025
22 Sept 2025
28 Aug 2025
19 Sept 2025
28 Aug 2025
Amount
SUPPLY of Dual channel digital power amplifier. Minimum requirment : 350W @ 4 Ohms per channel, LCD Display with DSP, Forced air fan privent excessive thermal buildup, Frq. Resp. 20-20KHZ. THD 0.5% OR BETTER. (Make - BOSE/ ELECTROVOICE/Shure/SENNHEISER)
SITC of 18" desktop gooseneck condenser micro- phone , Including cable , connector attached 10' XLR cable , logic functions , programmable switch and LED indicator, Attached desktop base, Frequency Response (Figure 1) 50 to 17,000 Hz ;Polar Pattern (Figure 2);Output Impedance (at 1000 Hz) Rated at 150 Ω (180 Ω actual)Open Circuit Sensitivity (at 1 kHz, ref. 1 V/Pascal*) :Cardioid: –35.0 dB (17.8 mV) ; Maximum SPL (1 kHz at 1% THD, 1 kΩ load): Cardioid: 124.2 dB; Signal to Noise Ratio (referenced at 94 dB SPL) :Cardioid: 66.0 dB ; Dynamic Range at 1 kΩ Load 96.2 dB,100 dB at 0 gain; Common Mode Rejection 45.0 dB minimum ,Mute Switch Attenuation (switched models only) 50.0 dB minimum ;Preamplifier Output Clipping Level (1% THD) – 6.0 dBV (0.5 V),–12 dB at 0 gain; Polarity:Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output connector.; Power Requirements: 11 to 52 Vdc phantom, 2.0 mA. (Make - SHURE / SENNHEISER/ BEYER DYNAMIC)
Supply and Installation of Microphone wind screen. (Make - SHURE/Bosch/SENNHEISER)
Add. G.S.T.@ 18% on total value.
Add. LWC.@ 1% on total value
DEY ELECTRO DIGITAL (BID ID -6897557)
ATOP ELECTRONICS CORPORATION (BID ID -6897551)
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