Important Safety Instructions CAUTION: To reduce the risk of electrical shock, do not remove the cover or rear panel of this unit. No user serviceable parts inside. Please refer servicing to quali ed personnel only. WARNING: To reduce the risk of re or electrical shock, do not expose this appliance to rain or moisture. DETAILED SAFETY INSTRUCTIONS: All safety and operation instructions of this manual should be read and adhered to before operation.
Housed in a sturdy metal chassis and tted with an array of switches and secure connectors, the ACTlVE-1 is built to provide years of reliable operation. JBL may update the contents of this manual without prior notice. The most recent version of this manual can be downloaded from the JBL Professional Website at www.jblpro.com The Active 1 packaging was designed to protect the product from shipping damage.
Mains Power The ACTIVE-1 includes an external AC power supply. The power LED on the front panel (to the left of the volume knob) will illuminate when the external power supply is connected and mains power is present. Please ensure the correct power supply is used with the ACTIVE-1 and that the power rating on the provided power supply suites your AC power outlet.
JBL Professional website at www.jblpro.com. Outputs Three sets of output connectors are provided to allow ACTIVE-1 connection to powered studio monitors, PA speakers, mixers and recording equipment. Input types for the three sources are as follows: They are line level signal for plugging in your active studio monitors or to the inputs of a power ampli er that is driving your passive monitors.
You can connect a foot switch with two-conductor (Tip/Sleeve) plug to this 1/4-inch (6.5mm) jack. (optional and not included with ACTIVE-1*) Depressing the foot switch will activate the Talk Back system. * A momentary PRESS-AND-HOLD type of foot pedal is commonly used with electronic musical keyboards.
Front Panel Switches Use these switches to select input signal you wish to monitor. Headphone Amplifiers There are two independent headphone ampli ers provided on the ACTIVE-1. Each with its own volume control...
Volume Control As it is an ACTIVE device, the ACTIVE-1’s Volume control, controls an electronic circuit, which in turn adjusts the level of the audio going through the device, providing gain increase as well as attenuation.
Talkback Switches and Volume A built-in talkback microphone, can be routed to the headphone outputs or the 2TRACK outputs. When the Talkback function is engaged, the Control Room output signal is attenuated by 20 dB. Monitor Select Switches The monitor select switches activate the A & B outputs respectively. The A & B outputs can be selected simultaneously.
ACTUATION FOOT SWITCH When connecting PASSIVE speakers, you must rst connect the output of the ACTIVE-1 to a power ampli er and then connect the ampli er to the speakers. Do not connect the OUTPUT of a power amplifier to the ACTIVE-1 INPUTS!
8:00 am and 5:00 pm Paci c Standard Time. REPAIRS JBL Professional has an extensive network of authorized repair facilities in the US. To view service locations listed by state, visit the Harman Professional Service Website at http://www.harmanpro.com/service_centers. For factory repair options you must obtain a service return authorization before returning your product for repair.
The JBL Limited Warranty on professional loudspeaker products (except for enclosures) remains in effect for ve years from the date of the rst consumer purchase. JBL ampli ers are warranted for three years from the date of original purchase. Enclosures and all other JBL products are warranted for two years from the date of original purchase.