Model: JBL 2440. Magnetic Flux Density: 20,500 gauss. As shown in the photos, these arerare early-production models featuring theoriginal undented roll edge diaphragms — a highly valuable collector’s set.
Model: JBL 2440. Magnetic Flux Density: 20,500 gauss. As shown in the photos, these arerare early-production models featuring theoriginal undented roll edge diaphragms — a highly valuable collector’s set.