Scored a pair of JBL D131 speakers at a thrift store. Need advice. : r/ToobAmps
JBL D131 12" Drivers (Pair) Photo #1880712 - US Audio Mart
소리전자 - JBL D131 16옴12인치 스피커
RARE JBL D131 12" Alnico Guitar / Hifi speakers | Classifieds for Jobs, Rentals, Cars, Furniture and Free Stuff
JBL D131 Specifications
60's JBL D131 | Reverb
JBL D131
ケンリックサウンド・ブログ【KENRICK SOUND BLOG】JBL43シリーズ大型スピーカー専門店: JBL D131&LE5-2 リコーン作業、そして現在レストア中JBL 4333B用ネットワーク開始 JBL D131 & LE5-2 re-coning, and crossovers for the JBL 4333B being restored
JBL D131 Speaker-P Lansing, James B. JBL, Los Angeles, CA, build | Radiomuseum
JBL D131 Speaker-P Lansing, James B. JBL, Los Angeles, CA, build | Radiomuseum