Amazon.com: HECO Aurora 700 3-Way, Dual 6.5" Floorstanding Speaker in Black Outfitted for Deeper Bass : Electronics
Heco Aurora 900 for Stereo and Home Theater: Stereo Magazine
User manual Heco Aurora 200 P (English - 40 pages)
HECO 4 Ohm full range Germany Vintage speaker HR 100 New old stock, one speaker | eBay
German HIFI since 1949 – and still ahead of the times.
Aurora Series | HECO USA
Amazon.com: HECO Ambient 11 F 2 Way, 4" On-Wall Speaker Pair in Black with Integrated Metal Wall Bracket for Horizontal and Vertical mounting : Electronics