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bộ tăng âm P2000 PDF. In Email

p2000

   Mainpover bộ tăng âm EV P2000
The Electro-Voice P2000 Precision SeriesTM amplifier is a very-high-quality power amplifier designed to elicit maximum performance from any speaker system. Its ultralow distortion and powerful amplifiers ensure that program material will be amplified very accurately. Each channel of the P2000 delivers more than 500 watts
continuous average power into 8 ohms, 800 watts into 4 ohms and 1,000 watts into 2 ohms over the full audio frequency range. In the bridge mode, the amplifier can deliver more than 1,600 watts into 8 ohms and 2,000 watts into 4 ohms at less than 1% THD. The power supply, with its large toroidal transformer,gives the amplifier impressive headroom and current output.
The P2000 contains 32 high-power output devices with 8,000 watts of dissipation capability. These devices are protected from overheating by four, three-speed, temperature-sensitive fans. The fans are quiet enough to permit use of the P2000 in noise-sensitive applications such as recording studios and houses of worship.The output devices are mounted to a massive, extruded-aluminum heat sink that is engineered to minimize thermal gradients and allow the amplifier to operate safely into low-impedance loads. The output devices have a maximum junction temperature of 200 °C (392 °F), so high operational temperatures present no problems. The output devices are mounted directly to the heat sink without mica insulators to ensure better dissipation of heat. Many electronic circuit innovations exist in the P2000. Among the most novel of these circuits is the Mirrored Frontend Power Supply BridgeTM. This design ensures complete symmetry for each bridged amplifier and both signal polarities, and eliminates asymmetrical rise and fall times. The Dual Differential Discrete TopologyTM is part of the front end of the amplifier and uses discrete electrical components instead of integrated circuits to help the P2000 achieve its phenomenally low distortion. The P2000 has sophisticated protection circuits that guard it and the load from problems. Protection circuits guard against overload, overtemperature, shorted outputs, radio-frequency interference and dc faults. The output devices are protected against damage from reverse feeding of electrical energy (back EMF) and are switched on via relays to avoid transients which could damage speakers.

 

 

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