CIRCUIT BOARD ASSEMBLY Board Stuffing: Double-sided FR4 glass epoxy circuit boards are used for all amplifier modules. WAVE SOLDERING Our new ROHS compliant machine SUB ASSEMBLY MFG ASSEMBLED BOARDS MODULE TESTING Every module is tested prior to final assembly. TRANSFORMER WINDING Bifilar winding of our Toroidal Power Transformers CHASSIS PREPARATION Teflon-Coated, 188 Stainless Steel Chassis PRODUCT ASSEMBLY Chassis ready for power supply installation. Note the wires wrapped neatly in fiberglass cloth tubing. PRODUCT ASSEMBLY To assure robust connections, all jacks are mounted directly to the chassis. COMPUTERIZED TESTING API test equipment verifies amplifier performance specifications. FINAL TESTING To assure quality, we test every channel of every amplifier before installing the top cover and packing the unit.