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"But her final words were drowned as a different voice echoed through the hall. It was high, cold, and clear: There was no telling where it came from; it seemed to issue from the walls themselves."
— Effects of the Amplifying Charm[src]

The Amplifying Charm[2] (Sonorus) was a charm that could be used to amplify the targeted sound,[1] be it a person's voice or a piece of equipment. The counter-charm to this spell was the Quietening Charm.[1]

Effects[]

This charm was particularly useful for amplifying one's voice, although using it on oneself for a long period of time will result in hoarseness thereafter.[1] When using the charm on an inanimate object, one had simply point their wand at the device and either verbally or non-verbally incite the incantation.[3]

Known uses[]

Caster(s) Date Notes
Jacob's sibling 1986–1987 school year Used this spell after learning it from Professor Flitwick.[4]
Murphy McNully
Albus Dumbledore 30 October 1991 (possibly) Dumbledore possibly used this spell wandlessly in 1991 to calm down the students at Hogwarts School of Witchcraft and Wizardry during the Hallowe'en feast after Defence Against the Dark Arts Professor Quirinus Quirrell came screaming into the Great Hall, yelling about a troll in the Dungeons.[5]
1994–1995 school year Dumbledore used the spell several times during the Triwizard Tournament to get the students attention before and after each task.[6]
Minerva McGonagall 1992–1993 school year Professor McGonagall used this spell to summon the staff to the second-floor corridor when the Heir of Slytherin wrote a message on the wall in blood, and brought Ginny Weasley to the Chamber of Secrets.[7]
Ludovic Bagman 25 August 1994 Bagman used the spell to set off the 422nd Quidditch World Cup between the Irish National Quidditch team and Bulgarian National Quidditch team.[1]
24 November 1994 Used it to comment First Task of Triwizard Tournament.[8]
24 February 1995 Used it to comment Second Task of Triwizard Tournament.[9]
24 June 1995 Used it to comment Third Task of Triwizard Tournament.[10]
Molly Weasley 25 December 1996 Molly Weasley used this spell to turn up the volume on the radio in 1996 to be able to listen to Celestina Warbeck, her favourite witch singer, after she was annoyed by Fleur Delacour talking loudly.[3]
Lord Voldemort 2 May 1998 Voldemort used this spell in 1998 to announce his ultimatum to Hogwarts School of Witchcraft and Wizardry during the Battle of Hogwarts.[11]

Known practitioners[]

Etymology[]

The incantation is a Latin word, meaning "loud".

Behind the scenes[]

Appearances[]

Notes and references[]

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