2Congratulations on purchasing the Hartke VX3500 Bass Amplifier! Although thisunit is designed for easy operation, we suggest you first take some time to gothrough these pages so you can fully understand how we’ve implemented anumber of unique features.The VX3500 provides 350 watts of power to the built-in 2-way bass speaker sys-tem. With that kind of power and Hartke’s custom designed transducers, includ-ing 4 x 10-inch low frequency, working with a 1-inch high frequency compres-sion driver, the VX3500 is EXTREMELY loud and punchy. In addition, theVX3500 offers a number of additional advanced features, including front-panelcompression and graphic equalizer LED indicators, effects send and returnjacks, an effects send/return balance knob, and a direct output with ground liftand pre or post EQ selection.The VX3500 is optimized for use with electric bass instruments, and the frontpanel controls in both models are virtually identical. You’ll find either to be anexcellent bass amplifier for live performance use in small and medium-size ven-ues; in addition, the VX3500’s advanced pre-amp features makes it ideal for usein recording environments.In these pages, you’ll find a detailed description of the many features of theVX3500 bass amplifier, as well as a guided tour through their front and rearpanels, step-by-step instructions for setting up and using each product, detaileddiscussions about equalization and compression, and full specifications. You’llalso find a warranty card enclosed—please don’t forget to fill it out and mail it sothat you can receive online technical support and so we can send you updatedinformation about these and other Hartke and Samson products in the future.SPECIAL NOTE: Should your unit ever require servicing, a ReturnAuthorization number (RA) is necessary. Without this number, the unit will notbe accepted. Please call Samson Technologies at (516) 932-1062 for a ReturnAuthorization number prior to shipping your unit. Please retain the originalpacking material and, if possible, return the unit in its original carton and pack-ing materials.Introduction