Table of Contents
Advertisement
Advertisement
Table of Contents
Related Manuals for JEFF ROWLAND Coherence
Summary of Contents for JEFF ROWLAND Coherence
- Page 1 JEFF ROWLAND...
- Page 2 Coherence Stereo Preamplifier 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. one of the world’s finest audio preamplifiers. With its combination of industrial grade active and passive devices,...
- Page 4 Product Features All operational functions are under microprocessor control. Within five Seven balanced XLR inputs per channel. milliseconds of any function selected, the microprocessor reverts to a Two balanced XLR main outputs per channel. non-clocking “sleep” mode which eliminates any possibility of digital noise contamination.
- Page 5 Contents...
- Page 6 Remote sensor/display unit interconnect cable We strongly suggest that you save all packing materials. If the Preamplifier is returned to your dealer or Jeff Rowland Design Group, the original Eight (8) compliant isolation interface supports packing materials must be used for shipment. Neither Jeff Rowland Design...
- Page 7 Front Panel Function Controls LISTEN SELECT GAIN INPUT TERM. MONO PHASE BYPASS MUTE RECORD SELECT GAIN VOLUME LISTEN RECORD JEFF ROWLAND CHARGE MODE FULL BATT MODE SELECT...
- Page 8 GAIN rocker switch: Momentarily pressing the upper section with the front panel controls of the Coherence Preamplifier and Power increases the gain of the selected Input by 0.5 dB to a limit of 20 dB Supply. The descriptions below refer to the numbers associated with the higher than normal (0 dB) overall gain.
- Page 9 Front Panel Function Controls, (cont.) LISTEN SELECT GAIN INPUT TERM. MONO PHASE BYPASS MUTE RECORD SELECT GAIN VOLUME LISTEN RECORD JEFF ROWLAND CHARGE MODE FULL BATT MODE SELECT...
- Page 10 Front Panel Function Controls, (cont.) BYPASS rocker switch: Momentarily pressing the upper section of the CUT L/R push buttons: If the Mute lamp is illuminated, pressing the BYPASS rocker switch enables the rear panel BYPASS inputs. The CUT L push button will mute the left channel only. The CUT L lamp overall gain of the preamplifier remains fixed at 0 dB (unity) gain.
- Page 11 Preamplifier and Power Supply Rear Panels...
- Page 12 Preamplifier Rear Panel Power Supply Rear Panel INPUTS 1-7 (Female XLR): Seven (7) XLR fully balanced or single- RS232 DATA IN/OUT (DB-25 female connector): Provides power and ended inputs (via supplied XLR/RCA adapters) are provided for line signal data to the remote sensor/display unit. level signals only.
- Page 13 Installation and Operation LISTEN SELECT GAIN INPUT TERM. MONO PHASE BYPASS MUTE RECORD SELECT GAIN VOLUME LISTEN RECORD JEFF ROWLAND CHARGE MODE FULL BATT MODE SELECT...
- Page 14 A distinct acoustic null should become apparent at a midway point between the two The Coherence Preamplifier is designed to be powered from the AC mains speakers when utilizing this function.
- Page 15 Remote Control Features The six-function, hand-held, IR remote transmitter permits remote operation of Input Selection, Volume Up/Down, Balance L/R and Mute functions A separate remote sensor/display unit simultaneously receives transmitted data and displays the numerical Volume control position from 0 to 63.5 dB in increments of 0.5 dB. The supplied RJ-11 cable allows the remote sensor/display unit to be placed within two meters of the preamplifier for optimal IR reception and/or volume control position viewing.
-
Page 16: Power Supply Specifications
17.5 in W x 12.0 in D x 3.7 in H Dimensions 44.5 cm W x 30.9 cm D x 9.40 cm H Because Jeff Rowland Design Group is constantly analyzing new design improvements, we reserve the right to change or modify product 40 lbs (18 kg) specifications without notice or obligation. - Page 17 Jeff Rowland Design Group Dealer. JEFF ROWLAND...
Need help?
Do you have a question about the Coherence and is the answer not in the manual?
Questions and answers