KUSTOM K400-3 615 Combo (Models 6-15A-3, 6-15J-3, 6-15-3)
- similar to the K400-3 Head, except in piggyback form with 6-15 in. Altec Lansing, JBL, or Jensen speakers, speakers are in two separate cabinets with 3-15 in. speakers in each one, head comes with a metal stand, mfg. 1968-1972.