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Owner’s Manual

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Содержание 2001RB

Страница 1: ...Owner s Manual ...

Страница 2: ...ty Information Quick Start Settings Sounds Sound Tips Bridged Mode Operation Bi Amp and Normal Operation Installation and Maintenance Front Panel Controls Rear Panel Controls Tech Talk Specifications All Features and specifications are subject to change without notice This list is subject to change without notice Table of Contents 3 5 6 7 9 10 11 12 13 15 17 20 ...

Страница 3: ...ding the rest of the manual Your amplifier should have come with the following items please check the contents of the box to ensure that you have everything Included with your 2001RB Head 2001RB 1 Power Cord 1 4 Conductor Speakon Cable 2 RFB III Footswitch 1 5 Pin DIN Cable 1 1 ft 1 4 Stereo Cord 1 3 5MM Mono Cord 1 Owner s Manual 1 Warranty Card 1 Safety Instructions Sheet 1 Included with your 20...

Страница 4: ...experiences I don t model my designs after other manufacturer s products as some of our competitors are proud of reciting Instead I believe new and old problems are best solved with new solutions Having taken our own path GK products enjoy a unique unmatched sound allowing the artist using them every opportunity to make an original statement Having supported my products for over thirty years I hav...

Страница 5: ...ibility of power variation and electrical start up noise affecting your sound Do Not Use Extension Cords To avoid safety hazards use only the power cord supplied with your unit If a replacement cord is used make certain that it is of consistent quality and gauge as the original We do not recommend using extension cords with this product As with all electri cal devices do not run power cords under ...

Страница 6: ...on Do not connect the Speakon cables labeled Bridge Mode to the 2001RB This may result in damage to the amplifier 3 Initial front panel control settings Set all EQ controls and the Boost control to 12 o clock The Voicing Filters should be turned all the way down to get a flat response Set the Level and Master Volumes at 0 If you have a five string bass push the button marked String Bass in Make su...

Страница 7: ...erdrive settings will vary according to the output of your bass Settings and Sounds 2001RB 2001RBP Contour note At higher playing levels the contour should be set lower for mid range clarity To get 800RB voicing the contour should be set to 0 or 10 only Volume note Adjust volume before playing these recommended settings Tube Style Grunge Both pickups recommended Insane Gain Back pickup recommended...

Страница 8: ...8 2001RB 2001RBP Settings Sounds Slap Both pickups recommended Deep Bass Front pickup recommended ...

Страница 9: ...ol will add a little growl to your tone This is an unmistakable GK trade mark sound that you will grow to appreciate Raising the Boost while lowering the Master will add more growl while keeping the sound level the same Growl is actually a small amount of even order harmonic distor tion that sounds great through a woofer but horrible through a horn see Bi Amp solution below For most playing situat...

Страница 10: ...ilable through the Speakon outputs the type of Speakon cable you need depends on the brand of cabinets that you are using When using our RBH Series cabinets using our four conductor Speakon to Speakon Biamp cable will allow Bridged Mode and Bi amp operation simulaneously Since the 50W horn amps are always active this allows youto deliver 1080W to your cabinet and 50W to the horn When using other b...

Страница 11: ...in by adjusting the Tweeter and Woofer Master controls on the 2001RB front panel Note In the Bi Amp configu ration we recommend starting with the Woofer X Over and Tweeter Hi Cut controls in 2001RB setup for Normal Operation The 2001RB series amplifier is configured for normal operation when you are connecting to any cabinet with a 2 conductor Speakon cable 1 4 to 1 4 speaker cable or 1 4 to banan...

Страница 12: ...te heat The heat sink fins and ventilation slots that form part of the enclosure are specially designed to remove this heat Placing other electronic equipment near these heat dissipation systems may possibly affect the long term reliability of both your amplifier and the other equipment Moving the Unit Before moving the unit be certain to disconnect any interconnection cords with other components ...

Страница 13: ...ed to the ON position or when activated through the footswitch Channel A B Switches between the Normal and Overdrive channels When in the B In position the switch activates Channel B Overdrive A Out position activates Channel A Clean In order to use the footswitch to control the channel switching Channel A B should be in the A Out position on the 2001RB CHANNEL B Channel B LED LED turns on when in...

Страница 14: ...rom the tweeter 1 7 W o o f e r Master volume control for the woofer Main amp Woofer X Over Press this button to engage the electronic crossover for the woofer This cuts frequencies above 5kHz Rolls off the highs P O W E R 18 Power Protect LED The LED flashes at turn on for five seconds while the amp powers up The LED turns blue when the amp is ready to play Should the amp experience a fault over ...

Страница 15: ... dual mono mode 6 Bridge Mode This allows one to switch from Dual Mono to Bridge mode 7 Left Speaker Out 540W power amp output for Full Range operation only They deliver 540 watts into 2 Ohms or 360watts into 4 Ohms Lower impedances should not be used 8 Left Bridged Speakon Outputs Enables BI AMP operation by connecting a GK RBH Series cabinet with the provided 4 conductor Speakon cable This conne...

Страница 16: ... is used when multiple 2001RBs are used as master and slave units Both jacks are stereo where the tip is the woofer output and the ring is the horn output Chain in When the master amp s Chain out signal is input to the slave amp s Chain in the slave amp s preamp tone control section is bypassed completely and will serve as a straight power amp only Chain out This output is used to daisy chain or c...

Страница 17: ...mp to come between you and your sound except faithful raw power Bi AmpSound Bass players have always liked the growl they get from slight overdrive In GK amps this comes partly from the boost circuits and partly from the power amp The problem is that growl sounds great through woofers and horrible through horns In the typical full range system with a passive crossover there is no way to get growl ...

Страница 18: ...y As in all GK pre amps the 2001RB pre amp incorpo rates what we call G I V E Gate Induced Valve Effect Technology We use field effect devices with the gate biased in a way that emphasizes the optimum har monic content of the signal Working in concert with our unique Four Band Active Equalizer and three stage Voicing Filter Section G I V E technology produces a consistently pleasing bass tone Cool...

Страница 19: ...ctions to the 2001RB head Speakon Pin Signal Wire Color 1 540W Woofer Amp White 1 540W Woofer Amp Black 2 50W Tweeter Amp Red 2 50W Tweeter Amp Green To obtain an additional 4 conductor Speakon cable for use with the 2001RB please contact your local dealer or contact GK directly In Closing You should now have a thorough understanding of how your new 2001RB amplifier works and what advantages it ca...

Страница 20: ...50Hz 10db 500Hz 3db 7kHz Presence 9db 10kHz Crossover Triple pole constant voltage crossover at 5kHz Noise 90db referenced to 500W A weighted Cooling Continuously Variable Speed Fan Amplifier Protection Full short circuit thermal RF protection Stable into reactive and mismatched loads Five second muted warm up Dimensions HxWxD 2001RB 5 25 x 19 x 12 3Rack Spaces 2001RBP 1 65 x 19 x 6 1Rack Spaces W...

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