Rare Find!  Altec 312 were often found in movie theaters as side surround speakers and sound amazing as home speakers.  Manufactured around early 1980's thru the 1990's.

Excellent condition-  12" LF speakers surrounds were just refoamed by the Altec experts at Great Plains Audio.  All components are working perfectly and speakers sound great.  Cabinets are in excellent condition.  Biggest flaw is a few of the grill corners show wear.

Catalog with basic info:

http://www.lansingheritage.org/images/altec/catalogs/1993-pro/1993-37.JPG

Dimensions:

28.5" x 16.1" x 12.2"

41 pounds each

Asking a flat $120 to ship to the 48 states.  I usually spend over an hour/package stretch-wrapping speakers, cutting 1" & 2" foam, and use new double-walled boxes.  Speakers will ship via UPS Ground within 2 days of receiving payment.