Rupert Murdoch's News Corp
Packer, who has built stakes in casinos in Australia, London, Macau and Las Vegas, indicated he would accept the offer in the absence of a higher bid for the pay-TV stakeholder, in which he holds 50.1 percent.
For News, a successful bid would double its stake in Australia's dominant pay TV business Foxtel to 50 percent, and give it 100 percent of content provider Fox Sports.
The offer of A$3.50 a share was pitched at a 14 percent premium to Consolidated Media's last closing price of A$3.08.
Packer recently took a 10 percent stake in Echo Entertainment
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"It frees up more cash and gives him a bit more flexibility," said Paul Xiradis, managing director of Ausbil Dexia, which owns stakes in News Corp and Echo.
"He's shown his hand in Echo ... but his intentions are not well and truly understood," he said.
This week, Genting Group
News Ltd
"It makes sense for them to acquire Consolidated Media and the price seems reasonable," Xiradis said.
Rival Fairfax Media
Packer is renowned for his perfectly timed sale of the Nine Network TV in 2006 for A$4.5 billion, one of the last big acquisitions by private equity before the financial crisis struck. The owners of Nine are now struggling to refinance their debt.
Seven Group Holdings
Seven Group shares were up 2.9 percent at A$8.12 by 0055 GMT.