tender for general-pazhayannur gp - electronics works-sitc of speakers at panchayath conference hall-general electronics work - od163888/2024-2025 supply, connecting and testing 10 inch passive loudspeaker system. speaker type - 2-way speaker, bass-reflex, frequency range (-10db) - 55 hz - 20 khz, coverage area - h90? x v60? (rotatable), crossover- 2.5 khz, nominal impedance - 8 ω,spl - sensitivity (1w; 1m on axis) - 93 db spl, peak (calculated) - 122 db spl, componentslfdiameter: 10 cone, voice coil: 2, magnet: ferrite,hfdiaphragm: 1.4, type: 1 throat compression driver, magnet: ferritepower rating , i/o connectors - speakon nl4mp x 2 (parallel), cabinet material -plywood, finish - durable polyurea painting, black with all necessary fixingarrangements. preferred make : yamaha chr 10 3 od163889/2024-2025 supply, connecting and testing of 2 channel power amplifier. 2ch 2x 300w at8ω 2x 500w at 4ω, i/o connectors - speaker output ports - neutrikspeakon nl4 x2, binding post x2 pairs, 1/4 phone(ts) x2, line inputxlr-3-31 x2, 1/4 phone(trs) x2, others - usb 2.0 standard-a connector(female) for save/load, speaker preset update, firmware update with usb memory;ac inlet x1 with ac cord clamp, processors - input summing; d-contour(foh/main, monitor, off); delay(0 - 74msec); hpf/lpf(cutofffrequency 20hz~20khz with polarity control); speaker processor(6 band peq +limiter + delay), amplifier class - class d, balanced output circuit (btl), cooling-16 step variable speed fan x 2, front to rear airflow, power consumption - 160w (1/8max power, 4ω, pink noise at all channels), 55w (4ω, idling).preferred make : yamaha px3 4 od163890/2024-2025 supply, connecting and testing of 6.5 inch cone woofer surface mount speaker withfrequency range (-10db)- 80hz - 20khz, nominal impedance - 8ω, 100vtaps at 25w, 12.5w, 6.3w, with bracket and all accessories. preferred make :yamaha vs6 5 od163892/2024-2025supply, connecting and testing of 2 channel class d 800w x 2 at 8ω / 1050w x 2 at 4ω. power amplifier with flexible onboard peq, crossover, filters, delay, and limiter functions. preferred make : yamaha px8 6 d163893/2024-2025supply, connecting and testing of 6.5 inch 2 way loudspeaker 20 watts with 100vtransformer power taps at 20 - 10 - 5. preferred make: biamp apart cm20t 7 od163894/2024-2025supply and connecting 400-watt, portable pa system with 8-channel powered mixer.preferred make : yamaha stagepass 400bt 8 od163981/2024-2025supply and connecting speaker stand 9 od163896/2024-2025supply and connecting dynamic cardioid wired microphone with sensitivity -1.8mv/pa and nominal impedance of 300 ohms (at 1khz). preferred make :sennheiser xs1 10 od184483/2024-2025supply and connecting necessary cables and connectors