Quote Originally Posted by GM View Post
You're welcome! Some folks run the woofer wide open, so may want to try it, otherwise just split a standard XO, adding terminals for the woofer amp or use a separate bi-amp terminal cup with isolation straps: bi-amp terminal cup - Parts Express Ships Fast and Ships Free.

Don't recall any Altec bi-amp XO, just the poor performing integrated amp/XO for HF, LF: http://www.lansingheritage.org/image...-mi/page12.jpg

GM
Altec Lansing Model 1632A Electronic Crossover | #137131366