JEFF ROWLAND Concentra Owner's Manual
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JEFF ROWLAND Concentra Owner's Manual

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JEFF ROWLAND
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Summary of Contents for JEFF ROWLAND Concentra

  • Page 1 JEFF ROWLAND...
  • Page 2 Concentra Stereo Integrated Amplifier Owner’s Manual...
  • Page 3 Introduction Jeff Rowland Design Group, Inc. elcome to the Jeff Rowland Design Group “family” and congratulations on your purchase of what is unquestionably one of the world’s finest audio amplifiers. With its combination of industrial grade active and passive devices,...

  • Page 4: Product Features

    Product Features Three balanced XLR inputs per channel plus three unbalanced (RCA) Dual range volume control allows large volume level changes when inputs per channel. knob is rotated abruptly, yet permits precise small volume level changes when knob is rotated slowly. Preamp Out in both balanced XLR output and unbalanced (RCA) outputs per channel.
  • 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 Panel Function Controls JEFF ROWLAND SOURCE TAPE MON MUTE VOLUME...
  • Page 8 Before attempting any system interconnection, please familiarize yourself MUTE push button: Momentarily pressing this push button mutes the with the front panel controls of the Concentra Integrated Amplifier. The amplifier PRE OUT and SPEAKER OUTPUTS. The lamp above the MUTE descriptions below refer to the letters associated with the features in the button illuminates.

  • Page 9: Signal Connections

    Signal Connections...
  • Page 10 Signal Connections INPUT 1/PHONO (RCA unbalanced): Connect any unbalanced line PRE OUT UNBAL (RCA unbalanced): This connector provides volume source (CD, Tuner, D/A Converter, Laser Disk, etc.), unless the PHONO controlled output to drive an auxiliary amplifier (as above) requiring option has been installed.

  • Page 11: Rear Panel Power Connections

    Rear Panel Power Connections...
  • Page 12 Note: The Concentra Integrated Amplifier is designed to be powered from near the corners. This will help attenuate the transfer of spurious energy AC mains at all times with no degradation of durability or service life. An AC from the supporting structure into the Amplifier chassis.

  • Page 13: Remote Control Features

    Phillips-head screws on the back side of the handset. Two (2) different data rate transmission codes can be selected if interference from other IR remote transmitters become an issue. Please contact your Jeff Rowland Design Group dealer or distributor for information on selecting different data codes.
  • Page 14 Greater than 60 dB, 20 Hz to 20 kHz Rejection Ratio 100 watts idle; 550 watts maximum Power Consumption 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 Jeff Rowland Design Group Dealer. JEFF ROWLAND...

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