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Manual JEFF ROWLAND 112

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Summary
  • JEFF ROWLAND 112 - page 1

    Model 112 Stereo Power Amplifier Owner’s Manual Model 112 Model 112 Stereo Power Amplifier Stereo Power Amplifier Owner’s Manual Owner’s Manual ...

  • JEFF ROWLAND 112 - page 2

    Introduction Introduction W W elcome 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. W W ith its combination of features such as numerous function control and interconnect possibilities, precision electronic circuitry, and accurately mac ...

  • JEFF ROWLAND 112 - page 3

    Product Features Product Features • XLR input connectors for balanced (Differential Mode  ) system configuration. • RCA input Connectors for unbalanced system configurations. • Selectable overall gain of 26 or 32 dB. • User selectable switching between balanced and unbalanced connections. • 12V remote ON/OFF power switching connector. ...

  • JEFF ROWLAND 112 - page 4

    Contents Contents Model 112 Stereo Model 112 Stereo Power Amplifier Power Amplifier Warra Warra nty Card nty Card AC Power Cable AC Power Cable ...

  • JEFF ROWLAND 112 - page 5

    Initial Inspection Initial Inspection I I nspect the shipping container for damage. If the shipping container, packing material, amplifier, or accessories are damaged or m issing, notify your dealer and the shipper (if a claim is to be made) immediately. Note: Note: Many shippers require notification and inspection within twenty - four hours of del ...

  • JEFF ROWLAND 112 - page 6

    Care, Cleaning, and Maintenance Care, Cleaning, and Maintenance NEUT RIK PUSH NEUT RIK PUSH ...

  • JEFF ROWLAND 112 - page 7

    Care Care T T he Model 112 Stereo Power Amplifier is finely constr ucted from pieces of solid aluminum. The surface of the unit is cut in a unique process that uses a diamond tipped blade. This process was refined over many years to produce an artistic and attractive finish. The front, top, bottom and side panels are t hen finished with fine automo ...

  • JEFF ROWLAND 112 - page 8

    Amplifier Front and Rear Panel Function Controls Amplifier Front and Rear Panel Function Controls NEUTRIK P US H NEUTRIK P US H Standby/Power Button Standby/Power Button Power Indicator LED Power Indicator LED Right Channel Input Right Channel Input Select Switch Select Switch Left Channel Input Left Channel Input Select Switch Select Switch ...

  • JEFF ROWLAND 112 - page 9

    Amplifier Front and Rear Panel Function Controls Amplifier Front and Rear Panel Function Controls B B efore attempting any system interconnection, please famili arize yourself with the front and rear panel controls of the Model 112 Stereo Power Amplifier. The descriptions below refer to the diagrams above. Front Panel Front Panel 1 1 FRONT PANEL ST ...

  • JEFF ROWLAND 112 - page 10

    Rear Panel Power Connections Rear Panel Power Connections Amplifier Rear Panel NEUTRI K PUSH NEUTRI K PUSH AC Power Cable AC Power Cable Connector Connector Volts AC Volts AC Indicator Indicator ...

  • JEFF ROWLAND 112 - page 11

    Installation Installation L L ocate the amplifier as close as possible to its final installation point. Allow access to the rear panel for making connections. The Model 112 Stereo Power Amplifier is convection cooled, eliminating the need for fan or forced - air cooling. When operating, the chassis should have at least two (2) inches of air space a ...

  • JEFF ROWLAND 112 - page 12

    Signal Connections and Remote Signal Connections and Remote Amplifier Rear Panel NEUTRI K PUSH NEUTRI K PUSH Balanced Input Balanced Input Connector Connector 12V Remote 12V Remote Connector Connector Unbalanced Unbalanced Input Connector Input Connector Input Select Input Select Switch Switch Speaker Speaker Output Output ...

  • JEFF ROWLAND 112 - page 13

    Signal Connections Signal Connections T T he Model 112 Stereo Power Amplifier offers unprecedented compatibility with associated audio components. When Connecting or disconnecting speaker or intercon nect cables, it is necessary to place the amplifier in Standby mode (orange POWER INDICATOR LED on the front panel OFF). 1 1 If you are using balanced ...

  • JEFF ROWLAND 112 - page 14

    Internal Function Controls Internal Function Controls Overall Gain Overall Gain T T he overall gain of the Model 112 Stereo Power Amplifier can be adjusted between 26 dB and 32 dB. The setting from the factory is 26 dB, which is ad equate for the majority of applications, though in a small number of situations involving low efficiency systems the h ...

  • JEFF ROWLAND 112 - page 15

    Model 112 Stereo Power Amplifier Specifica Model 112 Stereo Power Amplifier Specifica tions tions Output Power: Output Power: Continuous RMS watts @ 8 ohms 150 watts @ 4 ohms 275 watts Power Bandwidth: Power Bandwidth: DC to 160 kHz, - 3 dB Slew Rate: Slew Rate: 30 volts/microsecond THD + Noise: THD + Noise: <.008% Damping Factor: Damping Factor ...

  • JEFF ROWLAND 112 - page 16

    Basic Troubleshooting Basic Troubleshooting A A summary of fault conditions and their causes and remedies are listed below. The Model 112 Stereo Power Amplifier can produce high power levels that, without well - designed protection circuitry, could damage loudspeakers. Therefore, most fault conditions will result in the Model 10 reverting into Stan ...

  • JEFF ROWLAND 112 - page 17

    Additional Information Additional Information I I f you have any additional questions regarding the installa tion or operation of the Model 112 Stereo Power Amplifier, please contact your authorized Jeff Rowland Design Group dealer or check the Jeff Rowland Design Group web site at http://www.jeffrowland.com. Troubleshooting Troubleshooting and Inf ...

  • JEFF ROWLAND 112 - page 18

    Post Office Box 7231 Colorado Springs, Colorado 80933 USA ...

Manufacturer JEFF ROWLAND Category Stereo Amplifier

Documents that we receive from a manufacturer of a JEFF ROWLAND 112 can be divided into several groups. They are, among others:
- JEFF ROWLAND technical drawings
- 112 manuals
- JEFF ROWLAND product data sheets
- information booklets
- or energy labels JEFF ROWLAND 112
All of them are important, but the most important information from the point of view of use of the device are in the user manual JEFF ROWLAND 112.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals JEFF ROWLAND 112, service manual, brief instructions and user manuals JEFF ROWLAND 112. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product JEFF ROWLAND 112.

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A complete manual for the device JEFF ROWLAND 112, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use JEFF ROWLAND 112 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of JEFF ROWLAND 112.

A complete JEFF ROWLAND manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual JEFF ROWLAND 112 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the JEFF ROWLAND 112, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the JEFF ROWLAND 112, that we can find in the current document
3. Tips how to use the basic functions of the device JEFF ROWLAND 112 - which should help us in our first steps of using JEFF ROWLAND 112
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with JEFF ROWLAND 112
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of JEFF ROWLAND 112 in a specific country, if it was not possible to solve the problem on our own.

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