Property talk:P7501

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audio system
audio system hardware used in the item

Represents	audio system (Q40127938)
Data type	Item
Domain	audiovisual work (Q2431196)
Example	Central Park (Q5061601) → bell (Q101401) Star Wars (Q54317) → POKEY (Q753671)
Tracking: usage	Category:Pages using P7501 ("audio system") (Q109131162)
See also	depends on software (P1547)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P7501 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 2,170 Main statement 2,168 >99.9% of uses Qualifier 2 <0.1% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Value type “integrated circuit (Q80831)”: This property should use items as value that contain property “instance of (P31)”. On these, the value for instance of (P31) should be an item that uses subclass of (P279) with value integrated circuit (Q80831) (or a subclass thereof). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P7501#Value type Q80831, SPARQL

Type “audiovisual work (Q2431196)”: item must contain property “instance of (P31)” with classes “audiovisual work (Q2431196)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P7501#Type Q2431196, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P7501#Entity types

Scope is as main value (Q54828448), as qualifier (Q54828449): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P7501#Scope, SPARQL

This property is being used by: uk:Шаблон:Картка телебачення Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)