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History of Loudspeakers Timeline

(1877–Present)

The history of loudspeakers traces the development of devices that convert electrical signals into audible sound, from early electromagnetic designs to today’s advanced digital, wireless, and smart audio systems. Less

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Origins and religious use

Loudspeakers are invented

1900

Loudspeakers were invented in the early 20th century, establishing the technology that would later be used for public address, entertainment, religious broadcasting, and many other applications.

Image source: Loudspeaker

Loudspeakers are invented

Loudspeakers enter mosque use

1930

During the 1930s, loudspeakers were introduced in mosques. They enabled the muezzin's adhan, or call to prayer, to reach larger surrounding areas and were sometimes also used for the khutbah.

The muezzin's adhan is amplified

1930

Mosque loudspeakers began amplifying the adhan, allowing the muezzin's call to prayer to be heard beyond the mosque itself.

Image source: Adhan

The muezzin's adhan is amplified

Mosque loudspeakers are used for khutbah

1930

In addition to the adhan, mosque loudspeakers were sometimes used to amplify the khutbah, the sermon associated with Islamic worship.

Image source: Khutbah

Mosque loudspeakers are used for khutbah

Sultan Mosque broadcasts the summons to prayer

1936

After the 1936 installation at Singapore's Sultan Mosque, the amplified summons to prayer was reported to carry more than a mile.

Image source: Sultan Mosque

Sultan Mosque broadcasts the summons to prayer

First known microphone–loudspeaker installation

1936

The first known installation of a microphone–loudspeaker set occurred at the Sultan Mosque in Singapore.

The adhan reaches more than a mile

1936

The Sultan Mosque installation demonstrated the extended reach of mosque amplification, with reports stating that the summons to prayer could carry more than a mile.

Regulation and public controversy

India debates a blanket mosque loudspeaker ban

1999

In 1999, political leaders in India debated a proposed blanket ban on loudspeakers atop mosques.

Indian leaders allege communal tension

1999

During India's 1999 debate, some political leaders alleged that loudspeakers had been used to create communal tension.

Loudspeakers are linked to Nandurbar riot claims

Nov 10, 1999

Some Indian political leaders alleged that loudspeakers had been used to incite a riot in Nandurbar, Maharashtra, on November 10, 1999.

Mauritius faces mosque amplification concerns

2007

On the island of Mauritius, where Muslims make up just over 18 percent of the population, excessive amplification became a significant public issue.

Image source: Mauritius

Mauritius faces mosque amplification concerns

Mauritius court rules on Hidayat-E-Islam Mosque

Mar 2007

A March 2007 court ruling addressed the use of loudspeakers and amplification outside the Hidayat-E-Islam mosque in Quatre-Bornes, Mauritius.

Image source: Noise pollution

Mauritius court rules on Hidayat-E-Islam Mosque

Mauritius court cites noise regulations

Mar 2007

The Mauritius ruling found the external mosque amplification to be a breach of the Noise Prevention Regulations of 1939 and 1955.

Paul Lam Shang Leen rules external amplification unlawful

Mar 2007

Judge Paul Lam Shang Leen ruled that using loudspeakers and amplification outside the Hidayat-E-Islam mosque in a residential area of Quatre-Bornes for the Azaan was unlawful.

Image source: 1999 L'Amicale riots

Paul Lam Shang Leen rules external amplification unlawful

Amplification is said to threaten Mauritius security

Mar 2007

Following a court ruling in March 2007, the excessive use of amplification in Mauritius was described as a threat to national security.

Woman receives an 18-month blasphemy sentence

Aug 2018

The woman who complained about the mosque loudspeakers was eventually given an 18-month prison sentence for blasphemy.

Image source: Blasphemy law

Woman receives an 18-month blasphemy sentence

A complaint about mosque speaker volume triggers backlash

Aug 2018

In August 2018, a woman who complained about the volume of her local mosque's speakers became the focus of a severe religious and legal controversy.

Mobs burn 14 Buddhist temples

Aug 2018

Following news of the complaint against the loudspeakers, mobs burned 14 Buddhist temples, intensifying the controversy surrounding the case.

Image source: 2018 anti-Muslim riots in Sri Lanka

Mobs burn 14 Buddhist temples

Volume and noise controls

Mosque amplification becomes a noise concern

2000

Modern mosque loudspeakers can generate noise pollution, making the volume and external reach of religious broadcasts a recurring public and regulatory issue.

Saudi Arabia restricts mosque speaker volume

May 2021

In late May 2021, Saudi Arabia's Ministry of Islamic Affairs issued a directive restricting mosque loudspeaker volume to one third of the maximum.

Image source: Ministry of Islamic Affairs, Dawah and Guidance

Saudi Arabia restricts mosque speaker volume

Saudi directive responds to noise pollution

May 2021

Saudi Arabia's one-third-volume directive addressed concerns that modern mosque loudspeakers could contribute to noise pollution.

Mosque speaker guidelines are tightened

Mar 2022

In March 2022, the Ministry issued even stricter guidelines concerning mosque loudspeaker use.

Sound levels are capped at 100 decibels

Mar 2022

The March 2022 guidelines restricted mosque loudspeaker sound levels to 100 decibels.

Image source: Decibel

Sound levels are capped at 100 decibels

Guidelines omit distance from the sound source

Mar 2022

The March 2022 guidelines specified a sound-level limit but made no mention of the distance from the source at which sound output should be measured.

Pre-call sermons are limited to 10 minutes

Mar 2022

The March 2022 rules limited any sermon before the call to prayer to 10 minutes, reducing the previous limit of 15 minutes.

The previous pre-call sermon limit is reduced

Mar 2022

The stricter March 2022 guidance reduced the permitted duration of pre-call sermons from the earlier 15-minute limit to 10 minutes.

Malaysia restricts external religious broadcasts

Jul 2024

In July 2024, a royal command in Malaysia directed that the adhan be the only service broadcast through external loudspeakers.

Malaysia limits Quran recitations to internal speakers

Jul 2024

The Malaysian command restricted Quran recitations, prayers, and religious lectures to the mosque premises' internal loudspeakers.

Mosque broadcasting permissions

Hamtramck mosque request gains national attention

2004

The Al-Islah Mosque's request to broadcast the adhan attracted national attention in the United States.

Image source: Al-Islah Mosque

Hamtramck mosque request gains national attention

Al-Islah Mosque requests adhan permission

2004

In 2004, the Al-Islah Mosque in Hamtramck, Michigan, requested permission to broadcast its call to prayer.

Waltham Forest permits Ramadan adhan broadcasts

May 5, 2020

On May 5, 2020, Waltham Forest council in London gave eight mosques permission to publicly broadcast the call to prayer during Ramadan.

Image source: London Borough of Waltham Forest

Waltham Forest permits Ramadan adhan broadcasts

Eight Waltham Forest mosques receive permission

May 5, 2020

The Waltham Forest decision covered eight mosques and allowed their public adhan broadcasts during Ramadan.

Nineteen Newham mosques receive permission

May 14, 2020

Newham Council's decision applied to nineteen mosques in the borough.

Image source: London Borough of Newham

Nineteen Newham mosques receive permission

Newham permits Ramadan adhan broadcasts

May 14, 2020

On May 14, 2020, Newham Council granted permission for mosques within the London borough to publicly broadcast the call to prayer during Ramadan.

Maidenhead Mosque receives one-off permission

May 31, 2020

On May 31, 2020, Maidenhead Mosque received permission from Maidenhead council to publicly broadcast its call to prayer on a one-off occasion.

Image source: Loudspeakers in mosques

Maidenhead Mosque receives one-off permission

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Key Facts

  1. Alexander Graham Bell’s early telephone work in the 1870s helped establish the principle of converting electrical signals into sound.
  2. The moving-coil loudspeaker, developed in the early twentieth century, became the foundation of most modern speaker designs.
  3. Horn loudspeakers were widely used in early public-address systems, cinemas, radios, and gramophones because they increased acoustic efficiency.
  4. The invention of electrical recording, radio broadcasting, and audio amplifiers greatly expanded the need for improved loudspeaker technology.
  5. Modern loudspeakers use innovations such as multiple drivers, digital signal processing, wireless connectivity, and smart voice control.

Source

This History of Loudspeakers timeline was generated with the help of AI, using information found on the internet.

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