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Gallien-Krueger 700RB-II Bass Head

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Take charge of the bottom line with the Gallien-Krueger 700RB-II Bass Head -- a state-of-the-art monster designed to deliver maximum performance with...Click To Read More About This Product

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OVERVIEW

Upgraded for more power and even quieter operation.

Take charge of the bottom line with the Gallien-Krueger 700RB-II Bass Head -- a state-of-the-art monster designed to deliver maximum performance with minimum fuss. An extremely high-current power supply and matching power amp circuitry extract every ounce of this head's awesome output. Its high-current design eliminates the need for current-limiting circuitry that muddies your tone. The biamped design delivers 480W to your woofer and 50W to the horn using an electronic crossover for seamless 2-way sound. 4 bass-specific bands of active EQ give you ultraprecise tone-shaping power. 3 voicing filters help you further shape your sound. 2-year warranty.

FEATURES
  • Extremely high-current power supply
  • High-current power amp circuitry
  • 480W to woofer
  • 50W to horn
  • Electronic crossover for seamless 2-way sound
  • 4 bass-specific bands of active EQ
  • 5/4 string voicing filters
  • Ultra low-noise input section >90dB S/N
  • Clip LED
  • 10dB pad
  • Mute switch with LED
  • Output Section:
  • Boost
  • Tweeter Level with Hi-Cut Switch
  • Woofer Level with Crossover Switch
  • Direct Out:
  • XLR
  • Ground lift
  • Pre/Post Switch
  • Level control
  • Patching: Send, return, and tuner out
  • 2 - 1/4" and 2 biamp connectors
  • 2-year warranty

Get that G-K growl you crave. Click or call to order now!

SPECIFICATIONS
  • POWER <1% THD
    LF 480W @ 4 ohm; 320W @ 8 ohm, 1 kHz
  • HF 50W @ 8 ohm, 5kHz
  • 17-1/2"W x 3-1/2"H x 8"D
  • 16-1/2 lbs.
Reviews
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Review Snapshot

by PowerReviews
Gallien-Krueger700RB-II Bass Head
 
4.5

(based on 61 reviews)

Ratings Distribution

  • 5 Stars

     

    (48)

  • 4 Stars

     

    (5)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (5)

  • 1 Stars

     

    (1)

88%

of respondents would recommend this to a friend.

Pros

  • Easy to use (8)
  • Good power output (7)
  • Warm / comfy (7)
  • Excellent sound (6)
  • Portable (5)

Cons

No Cons

Best Uses

  • Performances (4)
    • Reviewer Profile:
    • Experienced (6)

Most Liked Positive Review

 

Wrecked and still worked

I bought my first RBII in 2006 and out of the box, it was power. Solid giging amp. Since '06 I prolly did 500+ shows and this amp was there all the...Read complete review

I bought my first RBII in 2006 and out of the box, it was power. Solid giging amp. Since '06 I prolly did 500+ shows and this amp was there all the way. Then 1 day in 2011 a friend of mine wrecked his truck and my amp was in the back seat, as his truck rolled 3 times the amp flew 70 feet out of his truck into a parking lot and banged the enclosure up pretty good. Plugged it in and it still worked. Still used it on gigs for about 10 months before it finally gave out. Just purchased my 2nd 1. If thats not road worthy, I dont know what is !!!

VS

Most Liked Negative Review

 

700 RB II problem

I bought a GK 700RBII (with 115 RBH) in May 2007 for my highschool daughter as Xmas gift I owed her over several Xmases. The amp is now dead after 2 years and...Read complete review

I bought a GK 700RBII (with 115 RBH) in May 2007 for my highschool daughter as Xmas gift I owed her over several Xmases. The amp is now dead after 2 years and 5 months. The amp was hardly used, my daughter used it at home for practice, once or twice a week, never in a gig (her school band has its own bass amp), sat in her room 2 summers. As she went on to college in Sept, I started to use it for practice. A week ago, the amp showed crackling noise, and then cut out after 5 - 10 minutes of operation, no sound afterwards. Left powered off overnight, the amp turned on okay next day, but continued to cut out after 5-10 minutes and stayed dead for the rest of the day. This cycle repeats a few more days. Last Saturday, when it was turned on, I saw some sparks and smoke coming out the front grill. I did not repower it since. Because it is over the 2 year warranty period and I live in Canada, GK (US) did not want to look at this problem. It refers me instead to a Canadian distributor who has no interest to be concerned about my problem, I can't blame them, besides servicing the unit for a fees. I really like this amp, very powerful, great sound, but expect at this price (close to 900 CN$) the amp would last a lot longer than 2 1/2 year time. Very disappointed with reliability. I wish GK takes note of these types of failures (two more before mine in this column) to correct the problem beofre users turn to their competitors

Reviewed by 61 customers

Displaying reviews 1-20

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(4 of 4 customers found this review helpful)

 
5.0

Wrecked and still worked

By Freak-E

from Jerome, PA.

About Me Experienced

Pros

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

Cons

    Best Uses

    • Performances
    • Professional Recording

    Comments about Gallien-Krueger 700RB-II Bass Head:

    I bought my first RBII in 2006 and out of the box, it was power. Solid giging amp. Since '06 I prolly did 500+ shows and this amp was there all the way. Then 1 day in 2011 a friend of mine wrecked his truck and my amp was in the back seat, as his truck rolled 3 times the amp flew 70 feet out of his truck into a parking lot and banged the enclosure up pretty good. Plugged it in and it still worked. Still used it on gigs for about 10 months before it finally gave out. Just purchased my 2nd 1. If thats not road worthy, I dont know what is !!!

    (4 of 6 customers found this review helpful)

     
    2.0

    On my 3rd unit now...

    By Anonymous

    from Undisclosed

    Comments about Gallien-Krueger 700RB-II Bass Head:

    First unit, bad input jack.Second unit, just started farting loudly half way through rehearsal one day.Third unit...wish me luck. There won't be a "fourth unit". If this one goes South on me, I'm switching to SWR or Ampeg.

    (4 of 4 customers found this review helpful)

     
    5.0

    Little Beast!

    By musicmedic

    from Amarillo, TX

    Comments about Gallien-Krueger 700RB-II Bass Head:

    I recently bought a GK 700RB-II to replace the mound of gear I was using. I got the opportunity to test the amp side by side against another "famous" brand's comparably priced amp and there was no comparison. This little amp Rocks! The layout is simple, the tone is amazing, the volume is insane for an amp of this size. I was using a 700 watt power amp, and at about 45 pounds, it was hard to carry around and didn't sound nearly as good. This little guy in my SKB 4 space rack weighs about 20 pounds. Much easier. This is going to replace ALL of my other gear. Through my Ampeg 410 cab it sounds awesome. A little hint...if you play a bass with active electronics try setting your tone controls (on the bass) to flat. I got a much purer tone this way and the amp has plenty of tone control to get what you want. Unbelievable amp for the money!

    (3 of 6 customers found this review helpful)

     
    2.0

    Good tone, fried after a week.

    By Moonbeans

    from Albany NY

    About Me Experienced

    See all my reviews

    Pros

    • Easy To Use
    • Good Warmth

    Cons

    • Broke After A Week

    Best Uses

      Comments about Gallien-Krueger 700RB-II Bass Head:

      It was great while it lasted. It has a great warm tone for a solid state amp. Plenty of power, and the bi-amp feature is quite useful. However, I was at practice with the gain at about 1/4 up and the master up about the same, when it suddenly stopped functioning all together. Not sure what happened, but I was impressed with it while it lasted. I won't be getting another one.

      (3 of 3 customers found this review helpful)

       
      5.0

      700RB Head Reviewman

      By Victor Wolf

      from Oklahoma

      See all my reviews

      Comments about Gallien-Krueger 700RB-II Bass Head:

      Any bass I've ever plugged into this amp sounds good (even my old squier p-bass that I tore the frets out of), it's loud as hell, the boost sounds awesome for rock gigs, or if you just need your bass to cut through the mix a little more. The biamping is awesome, but it's fine without it (my other cab is not a GK), and, for me anyways, the amp it all around aethetically pleasing. 3 years and no problems, well worth the money.
      So I've had this thing for about 2 or three years, and it works overtime. Very clean (unless I crank up the boost) and punchy, with lots of options. The pots feel great, and the tuning mute comes in handy all the time. It's also really nice to have the DI on the thing.
      It's a big hunk of metal. A few of the rubber pads on mine have come off (the little ones on the side opposite to the handle, not the main ones), but it still stands up vertically just fine. Sometimes it seems like the fan isn't spinning very much, but it's always been like that, and never over heated, so apparently it isn't a problem. No scratchy pots, or any problems at all that aren't cosmetic.
      $600 for 480 watts isn't bad at all. I've never been in a room too big for this head and one cab (although using two obviously increases the headroom). I've used it and a single GK Neo112 cab for coffee shops, rotary club meetings, and big Performing Arts Center stages, and it's always just a little more than enough. If I throw in my 410 then it's WAY more than enough.

      (3 of 4 customers found this review helpful)

       
      1.0

      700 RB II problem

      By Tran

      from Fort McMurray, AB, Canada

      Comments about Gallien-Krueger 700RB-II Bass Head:

      I bought a GK 700RBII (with 115 RBH) in May 2007 for my highschool daughter as Xmas gift I owed her over several Xmases. The amp is now dead after 2 years and 5 months. The amp was hardly used, my daughter used it at home for practice, once or twice a week, never in a gig (her school band has its own bass amp), sat in her room 2 summers. As she went on to college in Sept, I started to use it for practice. A week ago, the amp showed crackling noise, and then cut out after 5 - 10 minutes of operation, no sound afterwards. Left powered off overnight, the amp turned on okay next day, but continued to cut out after 5-10 minutes and stayed dead for the rest of the day. This cycle repeats a few more days. Last Saturday, when it was turned on, I saw some sparks and smoke coming out the front grill. I did not repower it since. Because it is over the 2 year warranty period and I live in Canada, GK (US) did not want to look at this problem. It refers me instead to a Canadian distributor who has no interest to be concerned about my problem, I can't blame them, besides servicing the unit for a fees. I really like this amp, very powerful, great sound, but expect at this price (close to 900 CN$) the amp would last a lot longer than 2 1/2 year time. Very disappointed with reliability. I wish GK takes note of these types of failures (two more before mine in this column) to correct the problem beofre users turn to their competitors

      (2 of 2 customers found this review helpful)

       
      4.0

      great amp

      By rinsecycle

      from ri

      About Me Experienced

      See all my reviews

      Pros

      • Easy To Use
      • Excellent Sound
      • Powerful

      Cons

        Best Uses

          Comments about Gallien-Krueger 700RB-II Bass Head:

          I've gigged with mine for about 5 years & recorded 2 albums with no problems. Sounds good with my electric & my accoustic upright. The sound my not be awe-inspring but I find it a great all-around amp at a good price.

          (2 of 3 customers found this review helpful)

           
          2.0

          White noise problem

          By Reno-EjNAT

          from Florida

          See all my reviews

          Comments about Gallien-Krueger 700RB-II Bass Head:

          Bought it new in '09 sept. It did well. Then in may '10 it got noisey after mid way on the volume boost and woofer knobs. A music store guy did a A-B test with a new 700rb, he said something is wrong. Thats very noisy compared to the new one we compared it to. Then came the intermittent poping noise. It's still under the one year warrranty. When it gets back from the repair shop I think I will sell it.

          (2 of 2 customers found this review helpful)

           
          5.0

          Wow - Great Amp!!!

          By Anchorman

          from Chicago

          Comments about Gallien-Krueger 700RB-II Bass Head:

          I've had the 700RB teamed with Gallien Krueger 410 RBH and 115 RBH cabinets for a couple of months now. It truely rocks - clear thick sound with an awesome bottom end. The biamp feature is great for cutting through the mix. I love this rig.Played my buddies Ampeg B2R2 through a 410 Eden and 115 SWR for several months of practicing. The GK rig actually sounds better - cleaner punchier sound.

          (2 of 2 customers found this review helpful)

           
          5.0

          Awesome Head

          By ESOmatt05

          from Oak Forest, IL

          Comments about Gallien-Krueger 700RB-II Bass Head:

          This head is sweet. I got this thing a couple of weeks ago and was not disapointed. As soon as a brought the head home I hooked it up to my Hartke VX215 and every picture on the wall rattled off. The low end is insane, the highs and mids are crisp and articulate, and the biamping is awesome. You can basically make the head sound like anything I want, and is perfect for any type of music.

          (2 of 2 customers found this review helpful)

           
          5.0

          Best in it's class

          By Wantabe

          from Central Pennsylvania

          See all my reviews

          Comments about Gallien-Krueger 700RB-II Bass Head:

          For the clubbing bassist this one is hard to beat. Strong sound and tone, all the shaping options you'll need, and a history of road worthy performance from GK the company. Pumps out great rock growl and is very resonsive to your playing style. However, I think my cabs are limiting my tone (Avatar 2X10 and 1X15). I'd really like to be running this head with a GK cab (but not finacially possible right now). I was disappointed that the proprietary Speakon cable was NOT included (not in the box) with the amp.

          (2 of 6 customers found this review helpful)

           
          3.0

          Good sound, not so great reliability

          By DownTheFretBoard

          from South

          See all my reviews

          Comments about Gallien-Krueger 700RB-II Bass Head:

          I think the quality issues may have been a fluke, but I can't trust this amp now.
          I've had this amp for about 14 months. I like the sound (very good for Solid State), and it offers a wide range of sounds.
          After 13 months, this amp just started smoking. Turns out that a transistor in the final power stage had caught on fire to the point that it burned through the circuit board. This required replacing the entire power section with a new part from GK. The problem is that when I got this back to rehearsal (not during a gig, thankfully) it started going back into protect mode. I took it back to the shop, and it turned out that the second board had a broken leg on one of the components. The tech soldered it back together, and it works, but I don't trust this amp anymore.
          Quality control issues notwithstanding, this amp sounds as good as any Solid state bass amp out there and has plenty of power for the price.

          (2 of 2 customers found this review helpful)

           
          5.0

          Fantastic

          By Patrick O'Shea

          from Chicago

          Comments about Gallien-Krueger 700RB-II Bass Head:

          Overall? Id reccomend this.


          This has fantastic low end, and great highs and punch.

          Perfect for Rock, Metal, Jazz, Raggae, etc.

          Awesome for funk and slap!!!!
          Great punchy sound with right cabinets, and fantastic low end. Very little muddy tone. Wide arrange of options to choose from
          Not gonna lie, this head WILL TAKE A BEATING!

          I bought this to replace my Yorkville, and Ampeg. and This blows them out of the water.

          The only thing ive noticed is when I practice, or play live for several house, it gets very warm, but id expect that. Aside from that, true work horse.
          Not gonna lie, I bought mine used for 1\6th the price (i know, i rock) but even for $600, it blows every other head out of the water that is on the market. I get compliments ALL OF THE TIME about how good my tone is.

          (1 of 1 customers found this review helpful)

           
          5.0

          awesome amp

          By redfooragetool

          from OKC, OK

          About Me Experienced

          Pros

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

          Cons

            Best Uses

            • Amateur Recording
            • Events
            • Home Studio
            • Performances

            Comments about Gallien-Krueger 700RB-II Bass Head:

            I actually bought this amp used. I run it with a GK Neo 4x10. Im in a 4-piece band with super loud guitar player. I don't have any issues keeping up, i sometimes get told to turn down. This amp packs a punch and more than i really need. I would recommend this to anyone

            (1 of 1 customers found this review helpful)

             
            5.0

            700RB-ll Bass head

            By Bassman

            from Salmon Arm, B.C.

            About Me Professional Musician

            Pros

            • Clear Crisp Punchy
            • Easy To Use
            • Excellent Sound
            • Good Warmth
            • Portable
            • Powerful

            Cons

            • None

            Best Uses

              Comments about Gallien-Krueger 700RB-II Bass Head:

              I have played bass for about 40 years now and was forever mixing and matching equipment to get the sound I was searching for. I have owned this amp for approx. 15 years and played through it for hundreds of hours transporting it from bar to bar and hall to hall. Through all of this it has never seen the inside of the repair shop. The sound is unmatched for clarity and character and the amp is easy to operate ( set and forget). At about half volume it will fill almost any bar or hall without a sweat. I matched it with a Fender American made Jazz and Fender bottom containing one 18", two 10" and a pair of bullet tweeters which I run with the bi-amp side of the amp. Technical jargon aside, the GK was the glue that brought it all together the way bass is supposed to be heard and felt...Need I say more!

              (1 of 1 customers found this review helpful)

               
              2.0

              After a few years its done

              By Joebasss

              from Houston

              Comments about Gallien-Krueger 700RB-II Bass Head:

              I bought this amp about three years ago. After about a year of use a $30 fuse went out that I had to order overseas. Now I've had it about three years and it has completely went dead, ie-muffled, distorted, weak sound. The repair guy I took it to told me that all the parts inside have been soldered horribly. It worked great when it worked, but I can't see buying an amp that will die after a few years. That's just me.

              (1 of 3 customers found this review helpful)

               
              2.0

              700 head problems

              By doprho

              from Southern Calif

              Comments about Gallien-Krueger 700RB-II Bass Head:

              I have now gone thru 3 in 5 1/2 months, they just stop working?? I leave one night and come back the next and no sound?? The first on was bad out of the box, made a big pop sound, this time the pop was a little softer. I love the set-up with the bi-amp speaker system and other features, just "gun shy" on getting another.

              (1 of 2 customers found this review helpful)

               
              4.0

              awesome amp!

              By Anonymous

              from Undisclosed

              Comments about Gallien-Krueger 700RB-II Bass Head:

              i've had the gk 700rb for about a week and so far its amazing! it's got a whole bunch of power good for decent sized gigs. I put it with my mbx 115 and 410 and it sounds great! it's got an amazing deep sound that i like and if you own an ibaned sr400qm it sounds great if you like really deep sounding amp this is the one! also sound amazing for slap!

              (1 of 1 customers found this review helpful)

               
              5.0

              700RB II Bass Amp Review

              By Bass101-jobHx

              from Undisclosed

              Comments about Gallien-Krueger 700RB-II Bass Head:

              Has all the features you need for a variety of sounds. The onboard tone controls, presence, contour, ect. (read about them in product description) allows for great versatility. Decent amount of power also. Relatively good size. I regularly play (minimum once per week) and it is a roadsturdy little gremlin (small with lots of power). I don?t regret buying this head at all. I love it and have had it for about 6 months. I wouldn?t hesitate recommending this unit to anyone who?s looking to power a moderate to large stack and for playing medium to even large venues since it has XLR out built into head (you don?t need a DI box). I have nothing but good experiences and good things to say about this head.

              (1 of 2 customers found this review helpful)

               
              4.0

              Decent Price,not too great of tone

              By DaRudeBoy

              from San Jose,ca

              Comments about Gallien-Krueger 700RB-II Bass Head:

              i bought this amp about a month ago along with a gk neo 410. while it sounded good at the time, i eventually swapped it for a little mark III. the tone was overly muddy and flat. i went to record my bands 1st album, and the tone was far from great. has a lot of cool features, but the tone was not for me.was not punchy at all.

              Displaying reviews 1-20

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