JBL D131 8ohm 1961 - Early version of the D120 | Reverb
RARE JBL D131 12" Alnico Guitar / Hifi speakers | Classifieds for Jobs, Rentals, Cars, Furniture and Free Stuff
Anybody pair a JBL D131 & JBL D120F in the same cab? | The Gear Page
Would someone please help me date my 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