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pendlewitch

 
Member Since: Sep 10, 2011
Location: Nelson,UK
Posts: 1,737
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Mac Specs: iMac 27" Mid 2010, 3.2GHz Intel Core i3,4GB 1333 MHz DDR3, ATI Radeon HD5670 512MB, Mavericks 10.9.1

pendlewitch is offline
From what I can see your stereo system has:-

two pos and neg sprung clip type connections for your front L&R speakers

two RCA jacks for accepting optional rears L&R

one jack (possibly RCA) to connect a subwoofer (which must have it's own integral amp and ac supply).

If you want to make it work cheaply with two additional surrounds I would buy 2 surrounds with the connectors already on rated at 50 w 16 ohm impedance (similar to Aiwa SX-R220) . You can get them on ebay for buttons.

Proprietory 'audiophile' speaker cables normally have + and - markings on them,but you may struggle to identify the polarity on yours....sometimes the pos side is identified by a raised ridge running down on side or if you get the magnifying glass out you may find a small + mark printed on one side.If you can identify the polarity then you have a chance with the methods bobtomay describes.

iMac 27-inch Mid 2010, WD My Book 1TB Firewire,WD My Passport Air 500GB, Magic Mouse,Magic Trackpad,
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