Page 2 - why yOu shOuld Pay aTTenTiOn TO This Owner’s Manual; What makes these amplifiers different; What makes input setup easy; please read this owner’s manual before you; included iTeMs; lOcaTiOn and MOunTinG; installatiOn Warnings and tips
2 why yOu shOuld Pay aTTenTiOn TO This Owner’s Manual The performance of your vehicle’s audio system depends as much on quality installation and setup as it does on quality gear. Of course, these new JBL ® GTO subwoofer amplifiers are bulletproof performers that are built using the highest quality c...
Page 3 - mOunting the amplifier; nOte; cOnnecTiOns
3 www.jbl.com E ng lis h mOunting the amplifier nOte : You may find it more convenient to make all of the connections to the amplifier before you permanently mount it to the vehicle. Before mounting the amplifier you must remove the two end caps to expose the mounting holes and the connections. Usin...
Page 4 - cOnnecting the pOWer and grOund; using the connectors; ground connection
4 cOnnecting the pOWer and grOund The GTO subwoofer amplifiers are capable of delivering extremely high power levels, and require a heavy-duty and reliable connection to the vehicle’s electrical system to achieve optimal performance. Please adhere to the following instructions carefully. using the c...
Page 5 - power connection; suBWOOfer cOnnectiOn
5 www.jbl.com E ng lis h power connection 1. Connect a wire (minimum 6AWG – 13.2mm 2 – for the GTO-1001EZ; minimum 8AWG – 8.4mm 2 –for the GTO-751EZ and GTO-501EZ) directly to the battery’s positive (+) terminal. 2. Install a fuse holder for a 120A fuse (GTO-1001EZ), 80A fuse (GTO-751EZ) or 50A Fuse...
Page 6 - input cOnnectiOns; seTuP PrOcedure; cOntrOls; Before setting the amplifier controls:; set the crOssOver; crossover control
6 input cOnnectiOns Input Connectors Use RCA audio cables to connect source units with preamp-level outputs to the amplifier; use the supplied bare wire- to-RCA adapters to connect to source units that don’t have RCA output connectors. Use a small Phillips screwdriver to loosen the adapter’s set scr...
Page 7 - set the gain
7 www.jbl.com E ng lis h The low-pass Crossover control setting you use for your subwoofer will depend partly on the system’s high-pass channel settings, and partly on the type and location of your system’s subwoofer. Start by setting the Crossover control to a frequency somewhat lower than the lowe...
Page 8 - Bass BOOst
8 Bass BOOst The Bass Boost control provides up to 12dB of bass boost at 45Hz. Set this control according to your personal taste, but be careful not to set the control at a high enough level to cause audible distortion or bottoming of your subwoofer. pOWer/prOtectiOn led Power/ Protection LED The GT...
Page 9 - TrOubleshOOTinG; prOBlem
9 www.jbl.com E ng lis h TrOubleshOOTinG If your amplifier isn’t performing the way you think it should, check to see if the problem is covered in this section before calling your dealer or contacting JBL customer service. prOBlem causes and sOluTiOns No sound (the amplifier’s Power/ Protection LED ...
Page 10 - sPecificaTiOns
10 sPecificaTiOns gtO-1001eZ Number of Channels: 1 Power Output (CEA 2006A): 650W RMS x 1 channel at 4 ohms, 14.4V DC, <1.0% THD 1000W RMS x 1 channel at 2 ohms, 14.4V DC, <1.0% THD Max Power: 1450W x 1 channel at 2 ohms (50Hz), 15.5V DC, 10% THD Frequency Response: 10Hz – 280Hz (±3dB) Signal-...