Noida, Uttar Pradesh
Year of Establishment: 2004
IndiaMART Member Since: 2007
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Input power 15W RMS
Power taps 15/10/5/2.5 W
Impedance /voltage 100 V
SPL at 1 KHZ(1w/1m) 92 dB
Power Requirement AC : 220 ~ 240 V, 50/60 Hz
DC : 24 V (2 x 12V Car Battery)
RMS Power at 5% THD 250 Watt (Max. 325 Watt)
Inputs 200 mV / 1V
Output Level Indicator 5 LED Array
A microphone (colloquially called a mike or mike; both pronounced / mark/) is an acoustic-to-electrictransducer or sensor that converts sound into an electrical signal. In 1876, Emile Berliner invented the first microphone used as a telephone voice transmitter. Microphones are used in many applications such as telephones, tape recorders, karaoke systems, hearing aids, motion picture production, live and recorded audio, FRS radios, megaphones, in radio and television broadcasting and in computers for recording voice, speech recognition, VoIP, and for non-acoustic purposes such as ultrasonic checking or knock.Most microphones today use electromagnetic induction (dynamic microphone), capacitance change (condenser microphone), piezoelectric generation, or light modulation to produce an electrical voltage signal from mechanical vibration
A wireless microphone, as the name implies, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. More commonly known as a Radio Microphone, there are many different standards, frequencies and transmission technologies used to replace the microphone's cable connection and make it into a wireless microphone. They can transmit, for example, in radio waves using UHF or VHF frequencies, FM, AM, or various digital modulation schemes. Some low cost models use infrared light. Infrared microphones require a direct line of sight between the microphone and the receiver, while costlier radio frequency models do not. Some models operate on a single fixed frequency, but the more advanced models operate on a user selectable frequency to avoid interference, and allow the use of several microphones at the same time.
ADVANTAGES & DISADVANTAGES:
The advantages are:
§ Greater freedom of movement for the artist or speaker.
§ Avoidance of cabling problems common with wired microphones, caused by constant moving and stressing the cables.
§ Reduction of cable "trip hazards" in the performance space
The disadvantages are:
§ Sometimes limited range (a wired balanced XLR microphone can run up to 300 ft or 100 meters). Some wireless systems have a shorter range, while more expensive models can exceed that distance.
§ Possible interference with or, more often, from other radio equipment or other radio microphones, though models with many frequency-synthesized switch-selectable channels are now plentiful and cost effective.
§ Operation time is limited relative to battery life; it is shorter than a normal condenser microphone due to greater drain on batteries from transmitting circuitry, and from circuitry giving extra features, if present.
§ Noise or dead spots (places where it doesn't work, especially in non-diversity systems)
§ Limited number of operating microphones at the same time and place, due to the limited number of radio channels (frequencies).
IP Paging Solution
Public Addressing System- PC Based
PA system is a Public Address or any sound reinforcement system. Also, it is an Audio System for an auditorium or a room. Indosoft Corporation has portable systems that can be used almost anywhere. Public address system is an electronic amplification system used as a communication system in public areas a simple PA (public address) system consists of a microphone, an amplifier and one or more speakers. Large Venue PA Systems For larger venues, such as popular music concerts, a larger more complicated PA System is used to provide live sound reproduction. In a concert setting, there are typically two complete PA systems: the "main" system and the "monitor" system. Each system consists of microphones, a mixing board, sound processing equipment, amplifiers, and speakers. For schools, we offer customized solution PC Based-PA System, wherein all daily/ occasional announcements can be programmed for a year. Also, for informing the period’s starts, over ringing of the bell (different tones) can be programmed into PC. Public Addressing System is used for playing light music & making an announcement at Airports, Hospitals, Factories, Show Rooms & Colleges etc. Features of PC-Based Public Addressing System: 1. Daily announcement on time, like period starts/ over and ringing of the bell in different tones can be programmed into PC 2. We can programme the occasional announcement like holidays on any festival, any emergency meeting as well as inspection 3. National anthem or any song in a particular time could be programmed into PC- Based PA system 4. Any message can be recorded to announce at any specific time 5. Public Address systems can easily be installed as a simple stand-alone system 6. Public Address can be used in a number of applications from small retail outlets to large terminal buildings
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