Had to do another demo using a bit of bass! Based on the 1974 Colorsound circuit with some modern changes and improvements by Skreddy for cleaner signal path and the option of adding flat mids. Available at JetCityMusic.com.
http://www.jetcitymusic.com/index.php?page=shop.product_details&flypage=vmj_naru.tpl&product_id=435&category_id=40&manufacturer_id=37&option=com_virtuemart&Itemid=89