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RH-AUDIO IP Network Paging Microphone RH8300
The RH-AUDIO remote paging microphone RH8300 is one of the core control equipment for IP public address system could make the voice announcement to individual zone, combined zones and all zones under
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RH AUDIO High Power Audio Amplifier
This RH-AUDIO high-power audio amplifier is a device that amplifies electrical signals that have been adjusted to an appropriate volume and tone sent from the mixer or pre-amplifier, give high power o
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RH AUDIO 6 Zone Integrated Mixing Amplifier
The RH-AUDIO 6 zone integrated mixer amplifier has six zone outputs using the front panel selector with LED indicator allow you to control the audio in two or more areas individually, such as the offi
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RH-AUDIO 100 Volt Line Power Amplifier
Besides 100 Volt Amplifiers RH-AUDIO also manufactures 100 volt line power amps, which boost current gain by receiving the lower-power audio signals from preamplifier or mixer to drive the connected l
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RH-AUDIO 1000W 2000W Amplifier Of Paging System
The RH-AUDIO paging system amplifier is designed for 70v & 100v public address system installations.
This 2000w amplifier is exceptional values, loaded with features, and are easy to install in a var
Class d Pa Amplifier Improves Audio Quality
Compared with Class A/B amplifier, class d Pa amplifier has poor audio performance. It not only has large distortion, but also has narrow dynamic range. Therefore, the current designer of class d Pa a
もっとみるOverview of class D Pa Amplifier
Class D Pa amplifier drives the amplifier of loudspeaker by controlling ON/OFF of switch unit. Class D Pa amplifier was first proposed in 1958, and it has become popular in recent years. Class D Pa am
もっとみるType D Amplifier：Cautions for Heat Dissipation of Loudspeaker IC
Compared with class AB amplifier, type D amplifier has higher efficiency and better thermal performance. Nevertheless, the heat dissipation of type D amplifier still needs careful consideration. This
もっとみるHow Do Amplified Speakers Make Sound
We already know that the acoustic signal is to convert the waveform of music into the waveform of electrical signals, so we can also make the sound of music by pushing the waveform of the signal into
もっとみるHow Are Amplified Speakers Made(1)
1. Background
A amplified speaker is a device that converts electrical energy waves into mechanical energy waves or audible sound. Sound is produced by the vibration of an object. This vibration creat
How are amplified speakers made(2)
3、Materials
The dynamic speaker has not changed in decades. The frame is made of stamped iron or aluminum. The permanent magnet is a ceramic ferrite material composed of iron oxide, strontium and a ce
How are Amplified Speakers Made (3)
5、Manufacturing process
(1) Permanent magnets are made by mixing iron oxide with strontium, then grinding the compound into a very fine powder. The powder is mixed with a ceramic binder and then seale
PA System M/S Amplifier Switch RH2821M
※ Connect to 5 main amplifiers and 1 spare amplifier.
※ Automatic detection of fault units,and the first fault detected unit will be
automatically switched to the spare unit,other fault units if l
Pre Amplifiers
Pre Amp Amplifier and Mixer Digital Amplifier
" Mixer Amplifier" refers to a constant pressure amplifier with a front stage magnification, which can be directly connected to the microphone and other s
PA System Telephone Interface RH2818I
※ The digital telephone interface can automatically answer an incoming phone call and broadcast the caller's voice over the PA system.
※ Automatic or manual mode optional.
※ Built-in monitor speaker