Technical blog
Find all the technical information you need for your Public Address and Voice Alarm projects.
Acoustics basics (Fundamentals)
A sound is a pressure variation around the atmospheric pressure expressed in Pascal (Pa). Human ear is sensitive from 20µPa to 200Pa. A sound wave is propagated at a speed of…
Requirements of the new EN 54-24 standard
Connection of the power is to be performed within the speaker. We should not have direct access to various settings …
Acoustics basics (PA calculation use-case)
For example, a outside space. This outdoor area is 10m wide and 32m long. The background of this space is 65 dB…
Installation Advice & Information
Majorcom provide ranges of professional installation loudspeakers for indoor and outdoor PA applications.
Designed to achieve optimum voice/BGM clarity in a wide …
How to measure a speaker line impedance
Impedance is a measure of the opposition to the flow of an alternating current in a circuit; the aggregation of its resistance, inductive and capacitive reactance. Represented by the symbol Z or R.
Omnidirectionnal Speakers
Recognized since 1992 and protected by an international patent, so far the omnidirectional speakers created by MAJORCOM have not been equalled by any other speaker as regards to fitting large areas with PA …
Calculate the correct diameter of your speaker cables
Maximum length of a speaker line according to the power. Correspondence between impedance and 100V Line …
INDUCTION LOOP SYSTEMS
Audio-frequency induction loop systems allow hearing impaired people to hear more clearly.
Most hearing aids have a ‘T’ or ‘MT’ switch …
POWER SUPPLY EQUIPMENT (PSE) CALCULATION
This worksheet is used to calculate the Power Supply Equipment (PSE)Â (EN54-4) for our VAS Systems.The calculation is made to have 12 hours and 5mn…
Electrical wiring
Unbalanced audio is what will be found in the typical home stereo. The typical connector for unbalanced audio …
Summary of EN54 and NF standards
The purpose of a fire safety system is to contribute to the safety of people and, subsequently, to that of property in establishments receiving public …
SOUND SYSTEM use-cases
Discover our sound system use-cases : Retail and shopping malls – Transport – Government – Education – Tourism – Culture – Healthcare …
MAJORCOM places customer service at the heart of its business model thanks to its dedicated business team. Our systems are custom-designed by our engineering department which is staffed with acousticians and electronic engineers, with the expert support of our R&D department, and an after-sales department with highly involved support functions.
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