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Table of Contents
Related Manuals for JEFF ROWLAND Model 9T
Summary of Contents for JEFF ROWLAND Model 9T
- Page 1 JEFF ROWLAND...
- Page 2 Model 9T/ Ti Mono Power Amplifier Owner’s Manual...
- Page 3 Introduction elcome to the Jeff Rowland Design Group “family” and congratulations on your purchase of what is unquestionably Jeff Rowland Design Group, Inc. 2911 North Prospect Street one of the world’s finest audio power amplifiers. With its combination of features such as numerous function control...
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Page 4: Product Features
Product Features Two parallel connected XLR Balanced Input jacks for balanced Optional remote (wired or wireless) power ON/OFF switching (Differential Mode™) system configurations Automatic temperature stabilizing circuitry maintains constant Two parallel connected RCA Input jacks for unbalanced (single-ended) operating temperature system configurations Standby power condition reduces warm-up time Two parallel connected speaker output connectors... - Page 5 Contents...
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Page 6: Initial Inspection
We strongly suggest that you save all packing materials. If the Amplifier is Sixteen (16) spiked coupling interface supports returned to your dealer or Jeff Rowland Design Group, the original packing materials must be used for shipment. Neither Jeff Rowland Design Group... - Page 7 Front & Rear Panel Function Controls...
- Page 8 Rear Panel Before attempting any system interconnection, please familiarize yourself with the front and rear panel controls of the Model 9T/Ti Amplifier. The (Note: All of the switches described below can be switched, if desired, while descriptions below refer to the numbers and letters associated with the the Amplifier is operational and playing music.)
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Page 9: Rear Panel Power Connections
Rear Panel Power Connections... -
Page 10: Installation
SUPPLY INPUT connector and the Power Supply POWER SUPPLY Supplied with your Model 9T/Ti Amplifiers are two different support systems. OUTPUT connector. Note that this DC power cable must be connected An assessment of the supporting structure should be made to determine the before the AC power cable is connected. -
Page 11: Signal Connections
Signal Connections... - Page 12 REMOTE connector to facilitate this function. Contact your dealer or Jeff Rowland Design Group for further information and Select one input — either BALANCED XLR INPUTS 1 or 2 or availability of this feature.
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Page 13: Operation
Due to different sensitivities of associated equipment used with the Model transients may be heard in the loudspeakers during the AC mains 9T/Ti, the OVERALL GAIN switch can be used to optimize the total gain connect/disconnect transitions. structure of the entire system. This allows the volume control of your Your new Model 9T/Ti Amplifiers will require an initial break-in period of at preamp to be used in an ideal mid-range position. -
Page 14: Model 9T/Ti Performance Specifications
Power Supply (per channel) 168 lbs. (76 kg) Power Amplifier (per channel) 132 lbs. (60 kg) Because Jeff Rowland Design Group is constantly analyzing new design improvements, we reserve the right to change or modify product specifications without notice or obligation. -
Page 15: Basic Troubleshooting
The Model 9T/Ti Amplifier can produce high power levels which, without well designed protection circuitry, could damage loudspeakers. Therefore, most fault conditions which may occur during use will be indicated by the Model 9T/Ti reverting to a standby condition. - Page 16 Intermittent short-circuit on Amplifier PARALLEL Check loudspeaker cable and associated OUTPUTS. connections. AMPLIFIER CIRCUIT BREAKER (rear panel) cannot Abnormal operation of Model 9T/Ti Amplifier Consult dealer or JRDG. be switched on (when loudspeakers are not internal circuitry. connected). POWER SUPPLY CIRCUIT BREAKER (rear panel)
- Page 17 Jeff Rowland Design Group Dealer. JEFF ROWLAND...