SHAHINIAN ARCS MK2 OMNIDIRECTIONAL ACOUSTICS ARC SPEAKERSG7 HI FI THE BIGGEST DEALERS OF PRE OWNED HI FI. WE BUY YOUR AUDIO ITEMS GET IN TOUCH. PART EXCHANGES CONSIDERED AT TRADE PRICES. G7 HI FI Item description. Full working order. Very high quality speaker drivers which are visibly obvious to true audiophiles. These are mk2 with much bigger tweeters. Condition is as photographed. Cash on collection preferred where they can be shown working. Van man delivery can be arranged for 120 to most cities in