JEFF ROWLAND Model 8T Owner's Manual
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JEFF ROWLAND Model 8T Owner's Manual

Stereo power amplifier
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Summary of Contents for JEFF ROWLAND Model 8T

  • Page 1 JEFF ROWLAND...
  • Page 2 Model 8T/ Ti Stereo 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...

  • Page 4: Product Features

    Product Features XLR Balanced Input jacks for balanced (Differential Mode™) system Optional remote (wired or wireless) power ON/OFF switching configurations Automatic temperature stabilizing circuitry maintains constant RCA Input jacks for unbalanced (single-ended) system configurations operating temperature Two parallel connected speaker output connectors for both right and Standby power condition reduces warm-up time left channels Fail-safe operation provided by user-resetable AC and DC magnetic...
  • Page 5 Contents...

  • Page 6: Initial Inspection

    We strongly suggest that you save all packing materials. If the Amplifier is returned to your dealer or Jeff Rowland Design Group, the original packing materials must be used for shipment. Neither Jeff Rowland Design Group nor the shipper can be held responsible for damages incurred during transit if the original factory packing is not used.
  • 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 8T/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.)

  • Page 9: Rear Panel Power Connections

    Rear Panel Power Connections...

  • Page 10: Installation

    Model 8T/Ti Amplifier. The Model 8T/Ti Amplifier is convection cooled, eliminating the need for Verify that the AC MAINS CIRCUIT BREAKER and both RIGHT and fan or forced air cooling. When operating, the chassis should have at least LEFT CHANNEL CIRCUIT BREAKERS are in the ON position (green two (2) inches of air space around the heatsink areas.

  • Page 11: Signal Connections

    Signal Connections...
  • Page 12 REMOTE connector to facilitate this function. Contact interconnects from your preamplifier or other source component. your dealer or Jeff Rowland Design Group for further information and Select one input — either BALANCED XLR INPUTS or UNBALANCED availability of this feature.

  • Page 13: Operation

    AC mains connect/disconnect transitions. conditions defined above. Your new Model 8T/Ti Amplifier will require an initial break-in period of at Due to different sensitivities of associated equipment used with the Model least eighty (80) hours before maximum performance can be expected.
  • Page 14 Shipping Weight Greater than 60 dB, 20 Hz to 20 kHz Rejection Ratio 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. Operation / Specifications...

  • Page 15: Basic Troubleshooting

    The Model 8T/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 8T/Ti reverting to a standby condition.
  • Page 16 Intermittent short-circuit on Amplifier PARALLEL Check loudspeaker cable and associated OUTPUTS. connections. RIGHT AND/OR LEFT CHANNEL CIRCUIT Abnormal operation of Model 8T/Ti Amplifier Consult dealer or JRDG. BREAKER cannot be switched on (when internal circuitry. loudspeakers are not connected). AC MAINS CIRCUIT BREAKER (rear panel) AC mains service voltage too high for Amplifier.
  • Page 17 Jeff Rowland Design Group Dealer. JEFF ROWLAND...

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Model 8ti

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