Original 1977 ROLA-JENSEN 8-Inch BASS SPEAKER # DR-129 29528. Date Code 2857724 . Pulled from an AVID Model 101 Stereo Speaker. Speaker Reads 5.9 Ohms. Original Cone & Surround are in Excellent Condition (see pics).  Original Foam Spacer Intact & Included (see pics # 10 & 11).  Large, Heavy Magnet. Speaker has been tested and sounds as it should with NO RUB.  Really Nice Speaker.