Rocktron MAINLINE 300 Instruction Manual
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Rocktron MAINLINE 300 Instruction Manual

300 watt guitar power amplifier
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300 WATT GUITAR POWER AMPLIFIER
Instruction Manual
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Summary of Contents for Rocktron MAINLINE 300

  • Page 1 300 WATT GUITAR POWER AMPLIFIER Instruction Manual...
  • Page 2 Also, bundle audio cables separately from the AC power cables. These steps will help insure compliance with the Directive(s). For more information about other Rocktron products, please see your local dealer or one of our importers closest to you (listed on the enclosed warranty sheet).

  • Page 3: Table Of Contents

    CONTENTS General Safety Precautions 1. Introduction 2. Mainline Front Panel 3. Mainline 300 Back Panel 4. Operating Precautions 5. Automatic Short Detection 6. Stereo Connection Multiple Cabinets 7. Two Cabinets Stereo Connection 8. One Cabinet Stereo Connection 9. Mono/Bridge Connection - One Cabinet 10.

  • Page 4: General Safety Precautions

    General Safety Precautions GENERAL OPERATING PRECAUTIONS NOTE: IT IS VERY IMPORTANT THAT YOU READ THIS SECTION TO PROVIDE YEARS OF TROUBLE FREE USE. THIS UNIT REQUIRES CAREFUL HANDLING. All warnings on this equipment and in the operating instructions should be adhered to and all operating instructions should be followed.

  • Page 5: Introduction

    1. Introduction Rocktron takes another step in their lengthy history of guitar power amplifiers with the new Mainline Power Amplifier, providing yet more diversity to the rack power amp ® genre. The Mainline is a solid state power amp with a new front end circuit that emulates that sought after tube "feel"...

  • Page 6: Mainline Front Panel

    In the "BRIDGE" position the LED will be "ON". When "STEREO" is selected via the back panel switch the "BRIDGE" LED on the front panel will not be lit and the Mainline 300 will operate as a normal stereo amplifier with 150 watts per channel or side.

  • Page 7: Mainline 300 Back Panel

    WARNING! Do not use these outputs with loads of 2 Ohms or less. When using both output jacks to provide multiple speakers for a given channel, it is important to ensure that the combination of speaker impedances for the given Mainline 300 output channel does not equate to a combined impedance of 2 Ohms or less.

  • Page 8: Operating Precautions

    4. Operating Precautions Although operation of the Mainline 300 is simple, attention to the following precautions is essential to protect your equipment against failure and ensure the long life of your Mainline amplifier. Power Output/Speaker Load. The Mainline 300 is capable of producing the following power output levels...

  • Page 9: Stereo Connection Multiple Cabinets

    Stereo Connection - Multiple Cabinets This connection is an example of a stereo connection from the Mainline 300 into 4 cabinets that are 16 ohms each.

  • Page 10: Two Cabinets Stereo Connection

    Two (2) Cabinets Stereo Connection This connection is an example of a stereo connection from the Mainline 300 to two cabinets that are 8 or 16 ohms each.

  • Page 11: One Cabinet Stereo Connection

    One (1) Stereo Cabinet Connection This connection is an example of a stereo connection from the Mainline 300 to 1 stereo cabinet that is 4, 8 or 16 ohms.

  • Page 12: Mono/Bridge Connection - One Cabinet

    Mono/Bridged Connection - 1 Cabinet This connection is an example of the MONO/BRIDGED connection from the Mainline 300 to one cabinet that is 8 or 16 ohms.

  • Page 13: Mono/Bridge Connection - Two Cabinets

    Mono/Bridged Connection - 2 Cabinets This connection is an example of the MONO/BRIDGED connection from the Mainline 300 to 2 cabi- nets that are 16 ohms each.

  • Page 14: Pedal/Pedalboard Connection One Cabinet

    Pedal/Pedalboard Connection - 1 Cabinet This connection is an example of the PEDAL/PEDALBOARD connection from the Mainline 300 to one cabinet that is 8 or 16 ohms.

  • Page 15: Pedal/Pedalboard Connection - Two Cabinets

    Pedal/Pedalboard Connection - 2 Cabinets This connection is an example of the PEDAL/PEDALBOARD connection from the Mainline 300 to two cabinets that are 16 ohms each.

  • Page 16: Fuse Replacement

    13. Fuse Replacement We recommend that you use an authorized repair person to change the fuse in this unit. To access the fuse, first power down the unit and unplug the cable from the wall outlet and the amplifier. Using a small screw driver, open the fuse tray by prying open the small tab as shown in the drawing above.

  • Page 17: Specifications

    14. Specifications NOTE: The final specifications will be posted on the Rocktron website www.rocktron.com under the Mainline Power Amp section. Output Power (Unbridged) 150 watts per channel @ 4 ohms (both channel driven) 75 watts per channel @ 8 ohms (both channels driven) 37.5 watts per channel @ 16ohms (both channels driven)
  • Page 20 300 WATT GUITAR POWER AMPLIFIER Rocktron -A Division of GHS Corporation 2813 Wilbur Avenue Battle Creek MI 49037 Customer Support: 1-(800)-388-4447 1-(269)-968-3351 Email: info@rocktron.com www.rocktron.com 2016-0001 Rev. 1/27/16...

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