Jeff Rowland Design Group 312 owner manual T R O D U C T I O N

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I N T R O D U C T I O N

OWNER’S MANUAL MODEL 312 STEREO AMPLIFIER

Welcome to the Jeff Rowland Design Group “family” and congratulations on your purchase of what is unquestionably one of the world’s finest amplifiers. With its combination of features such as precision electronic circuitry, exceptional efficiency, and accurately machined chassis compo- nents throughout, your Model 312 Stereo Amplifier will offer you many years of musi- cally satisfying enjoyment.

Please take a few minutes to read the remainder of this Owner’s Manual before proceeding with the installation of the amplifier. A thorough understanding of

the operational features will allow you to gain the maximum performance and ease of use for which this amplifier was designed. Please note that your Model 312 Stereo Amplifier serial number begins with the letter “T”. This serial number is located on the rear panel of the chassis. Please include this number with any corre- spondence regarding your Model 312 Stereo Amplifier. It has been my joy to create an audio component of enduring value that reflects the highest ideals of musical and artistic expression. It is my hope that these qualities will enrich your experience and pride of ownership.

If you have any additional questions regarding the installation or operation of the Model 312 Stereo Amplifier, please contact your authorized Jeff Rowland Design Group dealer or check the Jeff Rowland Design Group web site at www.jeffrowland.com.

Enjoy the music!

Jeff Rowland

President,

Jeff Rowland Design Group

2 PO BOX 7231, COLORADO SPRINGS, COLORADO 80933 USA E- mail: jrdg@jeffrowland.com WWW. JEFFROWLAND.COM TELEPHONE (719) 473 -1181

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Contents Page TA B L E O F C O N T E N T S T R O D U C T I O N O D U C T F E AT U R E S XLR input connectors for balanced system configurationPAC K AG E C O N T E N T S Pac k i n g I T I a L I N S P E C T I O NI n t e n a n c e & C l e a n i n g Protection Systems Risk of Electrical Shock S ta l l at i o n , U s e & c a r eJeff Rowland Design Group 2007. All Rights Reserved G n a l & p ow e r c o n n e c t i o n s Jeff Rowland Design Group 2007. All Rights Reserved G n a l & p ow e r C o n n e c t i o n s Constant 3v To 15v DC Signal 12VDC Typical tip Ground sleeve E C I F I C AT I O N S M E N S I O N S T i o n a l a d j u s t m e n t s Overall gain adjustment