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Triple M Adelaide
5mmm logo.png
City Mount Lofty
Broadcast area Adelaide
Slogan Variety Like You've Never Heard Before
Frequency 104.7 MHz FM
Repeater(s) 98.3 MHz FM (Adelaide Foothills)
First air date 25 March 1927 (1927-03-25) (as 5KA)
Format Active rock
Language(s) English
ERP 20 kW
2 kW (rerun)
Transmitter coordinates Coordinates: 34°59′02″S 138°42′30″E / 34.983808°S 138.708315°E / -34.983808; 138.708315
Former callsigns 5KA (1927–1990)
5KKA (1990-1993)
Former frequencies 1200 kHz (1927–1978)
1197 kHz (1978–1990)
Affiliations Triple M Network
Owner Southern Cross Austereo
Sister stations Hit107
Website Official website

5MMM (identified on air and in print as Triple M) is a radio station broadcasting in Adelaide, Australia. Its target demographic is the 30 - 54 age group. Triple M Adelaide is part of Southern Cross Austereo's Triple M Network and broadcasts on the 104.7 MHz frequency.

Triple M Adelaide used to network the majority of its shows from Sydney and Melbourne but in 2011 is focusing on local content with Peanut Gallery and The Stick Shift being the only currently networked shows other than the AFL football.


5MMM had its origins as an AM radio station, commencing broadcasting as 5KA on 25 March 1927 on the frequency 1200 kHz. In 1943 it was purchased by the Methodist Church and attached to the Central Methodist Mission, largely organised by Rev. Samuel Forsyth. The station changed frequency to 1197 kHz in 1978.

In the early 1980s, 5KA adopted a Country Music format and re-branded itself 12K. The format was short-lived.

On 1 January 1990, 5KA became the first of two commercial AM radio stations in Adelaide to convert to the FM band. The station bid $5.5 million in a priced based allocation process the previous year for the FM licence. 5KA moved to the frequency 104.7 MHz and the AM frequency was relinquished. With the FM conversion, the 5KA call-sign was changed to 5KKA and the station was branded on-air as KAFM. The AM frequency was re-purposed and allocated to a community broadcasting licence, 5RPH. The former transmission equipment which was co-located with competitor 5AD at the time was handed over to the operators contracted to provide transmission facilities to 5RPH, but the infrastructure was effectively abandoned.

In 1993, Hoyts Media which owned the Triple M radio network in the eastern states had bought 5KKA but could not adopt the Triple M call-sign in Adelaide as a community radio station already had the call-sign 5MMM. Hoyts then paid 5MMM for the right to use the Triple M name. The community station 5MMM then converted to 5DDD, and 5KKA was then free to change its call-sign to 5MMM and adopt the Triple M network brand. With the merger of the Hoyts Triple M network into the Austereo Network, the station became a sister station to SAFM, and relocated to the ground floor of the building that was partly occupied by SAFM at the time.

As of 2014, it has Reverted to a Classic Rock Format compared to the 90's to New Rock heard in the Eastern States.

Digital radio[edit]

Triple M is simulcast on Digital Radio in Adelaide.

Triple M launched High Voltage Radio, a "pop up" Digital Radio station that exclusively plays AC/DC for the duration of the band's 2010 tour of Australia.[1] High Voltage stopped being on air on 15 March 2010.

Since September 27, 2014, Triple M Modern Rock Digital is available in Adelaide on DAB+.


  1. ^ Austereo Adds Fourth Digital Radio Band - Perth Now, 10 February 2010

External links[edit]