Introduction
Welcome to the Jeff Rowland Design Group “family” and congratulations on your purchase of what is
unquestionably one of the world’s finest audio power amplifiers. With its combination of features such as
numerous function control and interconnect possibilities, precision electronic circuitry, and accurately
machined chassis components throughout, your Model 12 Mono Power Amplifier will offer you many
years of musically 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 12 Mono Amplifier serial number begins with the
letter “F.” This number is recorded below and is also located on the rear panel of the chassis. Please
include this number with any correspondence regarding your Model 12 Mono Power Amplifier. It has been my joy to create an audio component of enduring value that reflects a higher ideal of musical and artistic expression. It is my hope that these qualities will enrich your experience of ownership.
Enjoy the music!
Jeff Rowland
President
Jeff Rowland Design Group
Jeff Rowland Design Group, Inc.
2911 North Prospect Street
Colorado Springs, CO 80907
Telephone:
Fax:
Web: www.jeffrowland.com
