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Gallien-Krueger Logo
Gallien-Krueger 2001RB Amplifier Head   (Open Box)
Ships Internationally
  • Write a Review
Product# 482514
OVERVIEW

The ultimate concert amp.

The 2001RB Amplifier Head is Gallien-Krueger's big gun with 2 - 500W woofer amps bridgeable to 1000W and 2 - 50W horn amps. It is capable of getting the deep, floor-shaking, warm sound that powers reggae bands. For rock players it features a special design distortion circuit that lets you quickly dial in the perfect growl and drive, and which automatically mutes the horns when the high-gain channel is activated. For funk players, its voicing filters and biamp controls let you scoop the mids and add the perfect high-end edge needed for popping. For any style of music performed on arena stages, the 2001RB is the amp of choice for top professionals.

Gallien-Krueger products have 1-year speaker warranties and 2-year electronic warranties.

FEATURES
  • Power: Low-2 x 540W @ 2 ohm, 1080W Bridged @ 4 ohm; High-2 x 50W @ 8 ohm
  • Dual continuously variable speed fans
  • Ultralow noise S/N>90dB
  • Clip LED
  • 10dB pad
  • Mute switch
  • Mute LED and A/B switch
  • "B" LED, gain, edge, bottom and level controls
  • "A" LED and level control
  • 4-band active EQ w/ voicing filters and contour
  • Effects loop and tuner out w/ mute
  • Output controls: boost, tweeter level with high-cut switch, and woofer level with crossover switch
  • Direct out: XLR, level control, ground lift and pre/post switches
  • Patching connections: send, return, tuner out, chain in, chain out, and footswitch jack
  • Speaker connectors left: 2 -1/4," 2 - biamp connectors (bridge/mono), bridge/mono switch
  • Speaker connectors right: 2 -1/4," 2 - biamp connectors

Order it and finally show the neighbors you're not to be messed with.

SPECIFICATIONS

2001RB Amplifier Head

  • 19"W x 5.25"H x 12"D
  • 25 lb.
  • 2-year warranty
Reviews
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Review Snapshot®

by PowerReviews
Gallien-Krueger2001RB Amplifier Head
 
4.1

(based on 14 reviews)

Ratings Distribution

  • 5 Stars

     

    (11)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (3)

67%

of respondents would recommend this to a friend.

Pros

    Cons

      Best Uses

      • Performances (3)
        • Reviewer Profile:
        • Professional musician (4)

      Most Liked Positive Review

       

      THE BEST HEAD I'VE EVER OWNED

      It would be as hard to imagine needing more power than the 2001RB provides than it would be to imagine not being able to dial in that tone in your head with all the tone...Read complete review

      It would be as hard to imagine needing more power than the 2001RB provides than it would be to imagine not being able to dial in that tone in your head with all the tone shaping tools right there on the front of this amp! It's easy to use and has headroom to spare giving great clarity massive punch and monster tone. I've been playing for a long long time and still manage to play 3-4 gigs a week at mid to large size venues and I have never had a need for more power or to be heard in the mix with this monster. Whatever sound your looking for this GK powerhouse provides. I run this head bridged and biamped into the GK 4/12 cabinet which is rated at 1200 watts at 4 ohms and that cabinet takes it all with power in reserve. Night after night other bass players come up to check out this setup while I'm on break. I have had so many compliments on the tone and punch this setup provides it's insane. Most of all I'm loving it. Gig after gig this head hasn't failed to perform. I've played through just about every head out there. I can afford anything I want but the sound the 2001RB just does it for me and I must say I've never ever felt the punch this rig gives in any other setup I've ever owned. One of the best heads on the market no doubt!

      VS

      Most Liked Negative Review

       

      A lot of trouble

      I had power issues with this amp right out of the box .... I would be playing along enjoying discovering all that this amp has to offer when the power light would flash...Read complete review

      I had power issues with this amp right out of the box .... I would be playing along enjoying discovering all that this amp has to offer when the power light would flash orange and shut off, 3 times in 1 gig.i thought perhaps it was something I did as far as using it in bi-amp mode. I tried not using the horn and tweeter and connected with 1/4 in cable for full range and it continued to power off.. Even in different rooms and power sources. Finally I returned it for another 2001rb and guess what ? Right out of the box power light flashes red continuously..sent that one back along with the neo 4x10 cab that had one speaker hanging loose in cabinet.i got very poor customer service from one of the reps I dealt with and the rest were very disinterested.i am now on my third amp in a month and it seems to be ok so far.. It's a great amp that's why I put up with all the bad service and hassle to finally get on that works.hope you have better luck than I did....

      Reviewed by 14 customers

      Sort by

      Displaying reviews 1-10

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      1.0

      Poor Service

      By WhiskeyBIll

      from Cincinnati Oh.

      About Me Professional Musician

      Verified Buyer

      Pros

        Cons

          Best Uses

            Comments about Gallien-Krueger 2001RB Amplifier Head:

            I have no idea how great this head is. I ordered my first one and it showed up and wouldn't power on. I called customer service and they agreed to send me another. The second one I got also wouldn't power on. I had to go straight to GK in California to get this all straightened out. They agreed to replace the busted unit from musicians friend with a brand new one. It is currently on it's way. Also, I bought a Neo 4x12 cabinet to go with it. I asked for an extension on the return policy to make sure that the cab and the head work, since I've yet to be able to hook the head up to the cab. They flat out refused to extend the return time. I've spent so much at musicians friend over the years and I've never had this kind of poor uncaring service. Unless someone contacts me and goes above and beyond, this will be the last purchase I ever make with this company.

            Comment on this review

            (1 of 1 customers found this review helpful)

             
            1.0

            Broken right out of the box

            By UT Gasman

            from USA

            About Me Experienced

            Pros

              Cons

                Best Uses

                  Comments about Gallien-Krueger 2001RB Amplifier Head:

                  After deciding to upgrade my amp (currently playing a Peavey TNT 115) I read many reviews and decided to buy the GK 2001 RB (from a different seller than musician's friend). When it arrived I was positively giddy. The owner's manual has very good step by step instructions on how to hook everything up and what to do with all the knobs to get started without blowing your ears out. Everything was going great, setup looked pretty (I also got a GK 410 RHB), but no power when I pushed the power button.

                  I did all the things that tech support asks you to do when power is the issue (verified the cord was connected properly, verified that it was actually plugged in to the wall, plugged it in to it's own outlet, plugged it in directly (no extension cord), tried other equipment in the same plug (including my TNT 115 which worked fine), and tried plugging it in to other outlets in the house with no luck, So I guess it was a lemon...and I'm going to get another one and hope it doesn't have the same issue. Can't recommend to a friend til I get one that works, but I'm still hoping I get one that is as awesome as people say they are...

                  Comment on this review

                  (2 of 3 customers found this review helpful)

                   
                  1.0

                  A lot of trouble

                  By Gunagolo

                  from Monterey

                  About Me Professional Musician

                  Pros

                    Cons

                      Best Uses

                      • Events
                      • Performances
                      • Professional Recording

                      Comments about Gallien-Krueger 2001RB Amplifier Head:

                      I had power issues with this amp right out of the box .... I would be playing along enjoying discovering all that this amp has to offer when the power light would flash orange and shut off, 3 times in 1 gig.i thought perhaps it was something I did as far as using it in bi-amp mode. I tried not using the horn and tweeter and connected with 1/4 in cable for full range and it continued to power off.. Even in different rooms and power sources. Finally I returned it for another 2001rb and guess what ? Right out of the box power light flashes red continuously..sent that one back along with the neo 4x10 cab that had one speaker hanging loose in cabinet.i got very poor customer service from one of the reps I dealt with and the rest were very disinterested.i am now on my third amp in a month and it seems to be ok so far.. It's a great amp that's why I put up with all the bad service and hassle to finally get on that works.hope you have better luck than I did....

                      Comment on this review

                       
                      5.0

                      The bass amp for slaying monsters!

                      By Howlin Wolf

                      from Chicago

                      About Me Professional Musician

                      Verified Buyer

                      Pros

                      • Excellent Sound
                      • Powerful
                      • Versatile

                      Cons

                      • heavy

                      Best Uses

                      • Big shows
                      • Performances

                      Comments about Gallien-Krueger 2001RB Amplifier Head:

                      Great bass head! This is the loudest amp I've ever personally owned.
                      If you need to feel the earth move this is the amp for you.
                      For smaller gigs I run this into a 4 ohm 4X10 cab using just 1 side of the dual monos. For bigger shows I add a 15 bottom. Clean headroom for days.

                      Comment on this review

                       
                      5.0

                      THE BEST HEAD I'VE EVER OWNED

                      By Thump-8wSq1

                      from Wisconsin

                      About Me Professional Musician

                      Ask me a question

                      Pros

                      • Easy To Use
                      • Excellent Sound
                      • Good Warmth
                      • Powerful

                      Cons

                        Best Uses

                        • Performances

                        Comments about Gallien-Krueger 2001RB Amplifier Head:

                        It would be as hard to imagine needing more power than the 2001RB provides than it would be to imagine not being able to dial in that tone in your head with all the tone shaping tools right there on the front of this amp! It's easy to use and has headroom to spare giving great clarity massive punch and monster tone. I've been playing for a long long time and still manage to play 3-4 gigs a week at mid to large size venues and I have never had a need for more power or to be heard in the mix with this monster. Whatever sound your looking for this GK powerhouse provides. I run this head bridged and biamped into the GK 4/12 cabinet which is rated at 1200 watts at 4 ohms and that cabinet takes it all with power in reserve. Night after night other bass players come up to check out this setup while I'm on break. I have had so many compliments on the tone and punch this setup provides it's insane. Most of all I'm loving it. Gig after gig this head hasn't failed to perform. I've played through just about every head out there. I can afford anything I want but the sound the 2001RB just does it for me and I must say I've never ever felt the punch this rig gives in any other setup I've ever owned. One of the best heads on the market no doubt!

                        Comment on this review

                        (0 of 4 customers found this review helpful)

                         
                        5.0

                        Best Bass Head

                        By Anonymous

                        from Undisclosed

                        Comments about Gallien-Krueger 2001RB Amplifier Head:

                        I just sold my Mesa Titan V12! Guys, this head really worth every penny you pay for it. I'm not gonna say too much words, but hey, these who play rock this is it, in my opinion. I'm planning to buy another one and mix them together, like Justin Chansellor doing.woooo man, you diggg TOOL bass sound? Well then go for it. Don't forget buy Wal too :) and about 10,000 pedals.

                        Comment on this review

                        (0 of 3 customers found this review helpful)

                         
                        5.0

                        Power House !!!

                        By Fender1000

                        from Carthage, Tx

                        Comments about Gallien-Krueger 2001RB Amplifier Head:

                        I used this sweet baby at a guitar shop and it was amazing. They had this thing hooked up to 2 8x10 gk neo cabs. However Duff Mckagan uses only one of these for concerts and he uses 4 8x10 neo cabs. And his sound kicks but

                        Comment on this review

                        (2 of 2 customers found this review helpful)

                         
                        5.0

                        This thing will melt your kidneys!

                        By Rinos88

                        from Pekin, Illinois

                        Comments about Gallien-Krueger 2001RB Amplifier Head:

                        First off, I am a professional musician who has played huge shows with thousands of people in attendance. I know how important having great tone is. This thing can easily fill a stadium with it's underrated 1000 watts. The tone and versitility of this amp are unmatched by any other brand. G-K stands behind their products, too.When my contract it done with a certain other major amp brand, I'll be using this, along with 4 G-K 4x10 cabs as my main stage rig.

                        Comment on this review

                        (1 of 1 customers found this review helpful)

                         
                        5.0

                        Metal Must

                        By BoGE

                        from Bloomsburg, PA

                        Comments about Gallien-Krueger 2001RB Amplifier Head:

                        I have been wanting this amp since I read the description and reviews 4 months ago. I was directed to this product after reading an interview with Justin Chancellor (Tool) and he uses it with Mesa cabs. I plan on buying it and putting it through SWR cabs (I like the 18" cab sound)I played a used one to get a good idea of the amp before unloading a lot of clams on a new one...and it's all I've been dreaming of since. I was half tempted to buy the used one just because I didn't want to not play the amp. If you have the money to invest in a damn near perfect sound...buy this amp!

                        Comment on this review

                         
                        5.0

                        Best Amplification EVER

                        By Anonymous

                        from Undisclosed

                        Comments about Gallien-Krueger 2001RB Amplifier Head:

                        You'll never turn back. Have mine hooked up to 2 Hartke 4x10 and one hartke 2x15 also using a line 6 Basspodxt live. I use a Fender American Deluxe Jazz 5 String with active pickups and a 1972 Fender Jazz Bass. Endless amount of power and features.

                        Comment on this review

                        Displaying reviews 1-10

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