Replacement of un-repairable Power Amplifiers for Sound System installed at Talkatora Indoor Stadium.-Providing and installing a power amplifier compatible with the pre-installed amplifier, including complete specifications of Output Channels-4, Frequency Response (8Ω, 20Hz - 20kHz)-±0.25dB , Total Harmonic Distortion (at full rated power, 20Hz- 20kHz-0.35% , Damping Factor (20Hz to 100Hz)->5000, Load Impedance (Stereo/Dual Mode)- 2Ω - 16Ω; 70Vrms and 100Vrms , Load Impedance Bridge Mono-4Ω - 16Ω; 140Vrms and 200Vrms , Cooling-Continuously variable speed forced air, front to back airflow, Required AC Mains (±10%) 100V- 240V ~ 50/60Hz, Power Connector 32A Power CON, Four-channel, 2400W @ 4Ω Power Amplifier with BLU link, 70V/100V ,Dimensions (W x H x D) 483 mm x 89 mm x 483 mm19 in x3.5 in x 19 in ,Weight 13.15 kg (29.7 lbs),Minimum Guaranteed of Power (20Hz - 20kHz) With One year defect liability.Make:- CROWN / QUEST / POWERSOFT 2 Providing and installing a power amplifier compatible with the pre-installed amplifier, including complete specifications of Output Channels-4, Frequency Response (8Ω, 20Hz - 20kHz)-±0.25dB , Total Harmonic Distortion (at full rated power, 20Hz- 20kHz-0.35% , Damping Factor (20Hz to 100Hz)->1000, Load Impedance (Stereo/Dual Mode)- 2Ω - 16Ω; 70Vrms and100Vrms , Load Impedance Bridge Mono-4Ω -16Ω; 140Vrms and 200Vrms , Cooling-Continuously variable speed forced air, front to back airflow, Required AC Mains (±10%) 100V- 240V ~ 50/60Hz, Power Connector 15A IEC, Four-channel, 600W @ 4Ω Power Amplifier with BLU link, 70V/100V / EN 54-16Compliant for Life Safety Applications ,Dimensions (W x H x D) 483 mm x 89 mm x 362 mm19 in x 3.5 in x 14.25 in ,Weight 9.12 kg (20.1 lbs) ,Minimum Guaranteed Power (20Hz - 20kHz) With One year defect liability.:Make- CROWN / QUEST / POWERSOFT 3 Providing and installing a power amplifier compatible with the pre-installed amplifier, including complete specifications of sensitivity (for full rated power at 8 Ω)0.7VRMS, Rated poweroutput(per channel @4Ω)1200W, Analog input signal to noise ratio(ref rated power ,100V 20Hz - 20kHz) at 8 Ω ) > 104db ,THD( full rated power 20Hz -20kHz) 0.35% Damping Factor (20Hz to 100Hz)->1000 Frequency Response (8Ω, 20Hz - 20kHz)-±0.25dB, crosstalk (below rated power) 20Hz to 1 KHz: > 80db. Input impedance (normally balanced, normally unbalanced: 20k Ω balanced, 10 Ω unbalanced. Dimensions inches (W x H x D) (depth not including 1.3 inch front panel protrusion) 19in x 3.5 in x 14.71in ,Weight 9.12 kg (20.1 lbs),Power supply connector20A IEC connected 100- 240V ,Minimum Guaranteed Power (20Hz - 20kHz)With One year defect liability.:Make- CROWN / QUEST / POWERSOFT 4 Less credit of old /un-repairable amplifier
