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Gallien-Krueger 400RB series Owner's Manual

Gallien-Krueger 400RB series Owner's Manual

High-current bass amplifier
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Summary of Contents for Gallien-Krueger 400RB series

  • Page 2 CAUTION: UTION: TO REDUCE O REDUCE THE RISK OF ELECTRIC SHOCK, DO NO THE RISK OF ELECTRIC SHOCK, DO NOT REMO T REMOVE COVER (OR BA VER (OR BACK). CK). NO USER-SER NO USER-SERVICEABLE P VICEABLE PAR ARTS INSIDE. TS INSIDE. REFER SER REFER SERVICING VICING TO Q...
  • Page 3 For our part, we at Gallien-Krueger are while setting up your new equipment, please contact pleased that you chose us, and are determined that you your local dealer, or us as soon as possible at: will be a satisfied customer.
  • Page 4 I have never seen the point in doing things the way others have done them. I also have not been very interested in following the latest fad. I am a Stanford educated engineer who worked his way through school as a musician. Like all musicians, I have lugged amplifiers up stairways and into car trunks, always wondering why these things had to be so heavy, bulky, and hard to handle.
  • Page 5 The 400RB Series is designed to be simple to operate. All controls have a well defined purpose and are well behaved. These directions will take you through the basics and give you a good start for setting up your sound. Set the power switch to Off and connect the supplied Set the master control to 12 o’clock and slowly bring power cable from the amplifier AC receptacle to an AC...
  • Page 6 The 400RB Series has several unique features which, if used properly, will obtain that sound you have been searching for. Turning up the Boost control, will add a little growl to The Equalizer is used to fine tune your sound. When your tone.
  • Page 7 To avoid safety hazards, use only the power cord supplied with your unit. If a replacement cord is Your new 400RB Series Bass Amp has been factory used, make certain that it is of consistent quality configured for use with: and gauge as the original.
  • Page 8 To insure proper operation and to avoid When the unit gets dirty, wipe it with a clean, soft and potential safety hazards, place the unit on a dry cloth. If necessary, first wipe the surface with a firm, level surface. When installing the unit soft cloth slightly dampened with mild, soapy water, in a rack, be sure the mounting hardware can followed by a fresh cloth with clean water.
  • Page 9 An electronically balanced output, that you can run Boost and cut at 250Hz +6dB -10dB, “Q Optimized,” to your P.A. system. band pass type. Works on the main body of your sound. Selects the direct out signal from before or after the Boost and cut at 60Hz +10dB, shelving type.
  • Page 10 The power cord is detachable and plugs in here. 240W power amp output for Full-Range operation only. They deliver 240 watts into 4 Ohms. Lower impedances should not be used. Each jack has a minimum of 8 Ohms each. Higher impedances such as 8 Ohms, 16 Ohms, or No Load are acceptable.
  • Page 11 The 400RB Series combos deliver the 400RB’s unique features and distinct sound by using a variety of internal speaker configurations in compact enclo- sures. 400RB/112 One 8 Ohm 12 speaker 400RB/115 One 8 Ohm 15 speaker The 400RB combo electronics are identical to the 400RB head and are rated for the same maximum power output and speaker load (240W into 4 Ohms).
  • Page 12 Continuously variable fan cooling. designer. The equalization in Gallien-Krueger Designed and Built in the U.S. for years of amplifiers reflects 30 years of continuous develop- reliability and quality service.
  • Page 13 400RB Series amplifier works and what advantages it can offer you in getting “your” sound. We thank you for reading the Owner’s Manual and wish you the best of times! Please send us your comments via www.gallien-krueger.com or email us at sales@gallien.com.
  • Page 14 Output Power: Dimensions(HxWxD): 3 1/2” x 17” x 8 ¼” 240W Amplifier 150W @ 8 Ohms (2 Rack Spaces) 240W @ 4 Ohms Input Section: Maximum Input Level 0.6V Rms Weight: 15lbs With -10dB pad 1.6V Rms Input Impedance 1M Ohm Power Requirements: Send output impedance 220 Ohm...
  • Page 16 Series...

This manual is also suitable for:

400rb-iii400rb/115400rb/112