Is there a reasonable way to introduce a sub-woofer along with a pair of JBL L36 three-way speakers driven by a vintage Pioneer stereo receiver? The receiver has no sub output but
JBL L36 Decade 36 Large Bookshelf Speaker Pair
JBL L36 Speakers - Oak - Speakers & Subwoofers - Victoria, British Columbia | Facebook Marketplace | Facebook
JBL L36 with Custom Stands Photo #2695903 - US Audio Mart