MB2 500 OWNER’S MANUAL
MB² SERIES Introduction Congratulations! Your purchase of a new Gallien-Krueger MB² Series amplifier is surely the result of much careful consideration on your part. For our part, we at Gallien-Krueger are pleased that you chose us, and are determined that you will be a satisfied customer. In choosing a MB² Series amplifier, you now own an amplifier with many unique features which will allow you to create your own distinct sound.
MB² SERIES Table Of Contents *All Features and specifications are subject to change without notice Please read the Safety Information section on page 4 and installation instructions on page 12 before continuing. Gallien-Krueger 2234 Industrial Drive Stockton, CA 95206 phone: 209.234.7300 fax: 209.234.8420 email: info@gallien-krueger.com internet: www.gallien-krueger.com Warning! This amplifier is capable of producing high sound pressure levels.
MB² SERIES Safety Information Safety Information AC Power Cord: To avoid safety hazards, use only the power cord supplied with your unit. If a replacement cord is needed, make certain to use a standard IEC compliant cord. Damaged power cords should be replaced immediately. When setting up, make certain that the AC plug is easily accessible. If you do not intend to use the amplifier for a considerable length of time, disconnect the plug from the AC Mains Socket. Do not use an extention cord.
MB² SERIES Quick Start The MB² Series amplifier is designed to be simple to operate. All controls have a well defined purpose. These directions will take you through the basics and give you a good start for setting up your sound. 2. Connect your cabinets: Connect your speaker cabinets to the amplifier outputs marked Speaker. The MB² features dual use speaker connections. These unique jacks allow for Speakon or 1/4” plugs to be used. Be sure not to exceed the recommended speaker load as noted below.
MB² SERIES INPUT POWER Front Panel Features -10dB OFF ON MUTE GAIN CONTOUR TREBLE HI-MID LOW-MID BASS BOOST OFF ON MASTER-B MASTER OFF ON OFF ON CLIP G.I.V.E MB 1 2 3 4 5 6 8 7 9 10 11 12 13 2 500 14 Front Panel Features 1 Input: A standard ¼” input jack to connect active or passive basses using a shielded cord. 2 -10 dB Pad/Clip indicator: Input attenuator button.
MB² SERIES FULL POWER 580W PAT C H B AY DIRECT OUT EQ GND PRE LIFT POST F T. S W I TC H TUNER RETURN FX SEND HEADPHONES (1) LINE OUT (2) 1 2 AC INPUT 500 WAT TS @ 4 OHMS SPEAKER 120V/60Hz CLASS 2 WIRING 1 2 3 4 5 6 7 8 9 10 11 Rear Panel Features 1 AC Receptacle: The detachable power cord plugs in here.
MB² SERIES Settings & Sounds : Sample Settings The MB² Series is versatile in its sound and tone. Below are a few suggested amp settings that can be used as starting points to define your own sound. *Volume settings should be adjusted to appropriate level. Note: At higher playing levels the contourshould be set lower for mid-range clarity. To get 800RB voicing, the contour should be set to 0 or 10 only. Slap: Both pickups recommended.
MB² SERIE S Sound Tips The Equalizer: The Equalizer is used to fine tune your sound. When adjusting making adjustments, do it just a little at a time. These are active circuits and small changes can make a big difference in your sound. With a little experimentation you will find that this equalizer is very easy to use and provides you with a large variety of great sounds unique to GK.
MB² SERIES Installation Installation: To insure proper operation and to avoid potential safety hazards, place the unit on a firm, level surface. Moving the Unit: Before moving the unit, be certain to disconnect any interconnection cords with other components, and make sure that you disconnect the unit from the AC outlet. Ventilation: Make certain that proper space is provided for ventilation. Never block the fan vent holes located on the sides of the amplifier.
MB² SERIES Tech Talk Characteristics of the MB² Series: The MB² Series is a flexible, state-of-the-art amplifier designed to deliver maximum performance while remaining small, lightweight and simple to operate. This is accomplished through a few, very important features: · Class D power supply and power amp. · Four, Bass specific bands of active equalization for precise tone control.
MB2 SERIES Block Diagram G.I.V.E. GAIN MB2 500 SPECS Output Power: 350W @ 8 Ohms 500W @ 4 Ohms Noise: Input Section: Maximum Input Level With -10dB pad Input Impedance Send Output Impedance Return Input Impedance Tuner Output Impedance Direct Output Impedance 0.6V Rms 1.6V Rms 1M Ohms 220 Ohms 50K Ohms 10K Ohms 500 Ohms Amplifier Protection: Full short circuit, thermal and RF protection. Stable into reactive and mismatch loads. Five second muted warm-up.
MB2 500 Owner’s Manual Part # 160-05100-A 13
