JEFF ROWLAND Conductor, Manual

Page 1: ...Jeff Rowland Design Group 2019 All Rights Reserved C O N D U C T O R PHONO PRE AMPLIFIER...

Page 2: ...tective Systems 9 Limited Warranty 10 Owners Manual Use 12 Maintenance and Care 13 Unpacking and Placement 15 Front Panel Operations 17 Rear Panel Connections 19 INVERSE RIAA Network 21 Conductor Cart...

Page 3: ...erational features will allow you to gain the maximum performance and ease of use for which this phono pre amplifier was designed Please note that your CONDUCTOR serial number begins with the letters...

Page 4: ...er in this manual Additionally this feature allows input switching to occur at a higher line level signal instead of switching at the microvolt signal level of a phono cartridge where signal degradati...

Page 5: ...erent types of input transformer core materials standard or high grade amorphous type 5 Phono cartridge loading is performed by individual thin film resistors inserted on the input transformer seconda...

Page 6: ...ompromising signal integrity 10 Front panel push buttons provide selection of Input Mute Standby Mono and Left minus Right functions Functional definitions of these buttons will be covered in the Oper...

Page 7: ...assure quiet reliable operation on all worldwide mains voltages 14 To assist the break in of all internal circuitry an Inverse RIAA Network board is included with the CONDUCTOR This device is installe...

Page 8: ...o rain moisture or excessively damp conditions Due to auto ranging circuitry in both power supply offerings and dual stage voltage regulation in the Conductor Phono pre amplifier the audio performance...

Page 9: ...should also be disconnected from AC mains power as hazardous voltages can easily travel throughout an interconnected system The crossed out wheeled bin is the European Union symbol for indicating sepa...

Page 10: ...esign Group Inc 2911 North Prospect Street Colorado Springs Colorado 80907 or to one of its dealers Jeff Rowland Design Group Inc reserves the right to inspect any product which is subject to any warr...

Page 11: ...N OF THIS FIVE YEAR WARRANTY PERIOD JEFF ROWLAND DESIGN GROUP INC SHALL HAVE NO FURTHER OBLIGATION OF ANY KIND WHETHER EXPRESSED OR IMPLIED Jeff Rowland Design Group Inc does not authorize any third p...

Page 12: ...ations are subject to change without prior notice If you notice any errors please feel free to email us at support jeffrowlandgroup com This document contains proprietary information protected by copy...

Page 13: ...many years to produce an attractive and unique appearance Because the surface is not finished in the typical fashion of most audio and video equipment there are a few rules that must be kept in mind w...

Page 14: ...mark has been left on the chassis do not use any type of abrasive or chemical cleaner to remove the mark If you have any questions about the care or cleaning of your CONDUCTOR please contact your dea...

Page 15: ...ition upon delivery If the CONDUCTOR does not operate correctly please notify your dealer immediately We strongly suggest that you save all of the packing materials If the CONDUCTOR is returned to you...

Page 16: ...IAA Network and two pair of RCA RCA interconnect cables IMPORTANT RETAIN ALL PACKING MATERIALS FOR FUTURE TRANSPORT SHIPPING PRODUCT IN INADEQUATE PACKING MATERIALS MAY VIOLATE THE JEFF ROWLAND DESIGN...

Page 17: ...e MONO button algebraically sums the right and left channels for playback of monophonic recordings A small blue light will illuminate directly above the MONO button when monophonic operation is active...

Page 18: ...select input 3 when input circuitry is installed 4 INPUT 4 Press this button to select input 4 when input circuitry is installed 5 MUTE Press this button to mute the CONDUCTOR outputs 6 STANDBY Press...

Page 19: ...unding of a connected phono turntable Due to the Conductor s ability to reject hum fields from any source these grounding connections may not be needed in a particular system Four cartridge loading sw...

Page 20: ...uctor Line Outputs Due to a transformer output configuration both output connectors provide a ground isolated balanced signal for the lowest possible output noise and elimination of system ground loop...

Page 21: ...level of the input line level source signal Use the Network with any line level component as a signal source such as a tuner cd player D A convertor or other line level source with RCA output connect...

Page 22: ...A cable to connect the Network R OUT and L OUT RCA outputs to any active right and left channel CONDUCTOR RCA input jacks Turn on the source component with a verified signal then turn on the CONDUCTOR...

Page 23: ...Moving Coil Input 1 3 50 100 200 400 Standard High Gain Option ON ON ON ON 24 7 ON ON ON 28 8 ON ON 32 9 ON ON 38 10 ON ON 42 11 ON 50 13 ON ON ON 54 15 ON ON 64 17 ON ON 75 20 ON 100 25 ON ON 133 33...

Page 24: ...emoved to access switch The switch is located on the circuit board directly behind the MM HOMC Input 4 connectors and is located adjacent to the Lundahl transformers near the center of the circuit boa...

Page 25: ...put MC Max Output Level 16V rms balanced outputs RIAA Conformance 0 15 dB 30 Hz 20kHz S N Ratio 68 dB ref 0 5 mV 1 kHz unweighted THD 0 0015 30 Hz 20 kHz CMRR 110 dB 20 Hz 20kHz Conductor chassis weig...