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Product 481700

Ampeg B-4R Solid State Amp Head   

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The Ampeg B-4R Solid State Amp Head is the most powerful amp in its class and it's loaded with the features you need to make today's music. Here's th...Click To Read More About This Product

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It's the poor man's version of the SVT-4 Pro and a very impressive amp in its own right.

The Ampeg B-4R Solid State Amp Head is the most powerful amp in its class and it's loaded with the features you need to make today's music. Here's the long list: dependable solid-state circuitry, MOSFET power section, 3 bands of tone with Ultra Mids, 5-position style selector, 9-band graphic, texture tube emulation circuitry, series/parallel effects with blend control, defeatable optocoupler limiters, push button biamp/full range capability, stereo/mono bridge switch, internal 24dB/8va crossover with 100Hz to 1kHz variable point, high/low balance control, mute function, 15 amp circuit breaker, and power to spare.


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Review Snapshot

by PowerReviews
AmpegB-4R Solid State Amp Head
 
4.7

(based on 22 reviews)

Ratings Distribution

  • 5 Stars

     

    (19)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

Most Liked Positive Review

 

Amazing Quality and Sound

I've had my B4 for quite some time now and i have not even looked to find something to replace. I have no reason to. Its powerful sound and tone is ireplaceable and will...Read complete review

I've had my B4 for quite some time now and i have not even looked to find something to replace. I have no reason to. Its powerful sound and tone is ireplaceable and will destroy almost any competition it has. I believe that most of its competetion may come from other heads of the ampeg family. I think it battles strongly with the tubed svt 4 pro. Even though the b4 is not tubed its clarity and house-rumbling sound is just like a tubed amp and can blow you away. I am playing it with an 8x10 ampeg cab with a C-304 Esp bass.. (soon looking to expand to fender deluxe p) Head weighs a good 45lbs and i strongly recommend putting it in a rack-mount case with a korg rackmount tuner. It is worth every penny and deserves all the care it can get. You wanna rumble everything around you... this is the head to do it.

VS

Most Liked Negative Review

 

Big power, weak sound

REALLY flat tone. Thought I'd have some flexability with the 9-band EQ, but sound was without warmth or texture. Played with Fender Jazz and a 15" cabinet.

REALLY flat tone. Thought I'd have some flexability with the 9-band EQ, but sound was without warmth or texture. Played with Fender Jazz and a 15" cabinet.

Reviewed by 22 customers

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(1 of 1 customers found this review helpful)

 
5.0

Excellent amp

By tdphattbass

from okc, ok

About Me Professional Musician

See all my reviews

Pros

  • Best at everything
  • Easy To Use
  • Excellent Sound
  • Good Warmth
  • Portable
  • Powerful

Cons

  • None

Best Uses

  • Events
  • Professional Recording

Comments about Ampeg B-4R Solid State Amp Head:

Best amp ampeg ever built. I have now owned mine for about 12 or 13 years. It is a 1999 model and it just keeps going. No tubes to buy. Have had it cleaned to get some of the dust out from the fan. no problems all the years later and hundreds of shows and hours on both of the b4's that i own.

(1 of 1 customers found this review helpful)

 
5.0

Freakin cool!

By DefectedOKC

from Oklahoma City, Ok

Comments about Ampeg B-4R Solid State Amp Head:

Let me just say, "Wow!" This amp is amazing. I've had mine for over a year now and i've had no problem. I use mine with the Ampeg BXT 410HL and BXT 115HL and it sounds great! I wouldn't play any of my Warwicks through anything else. Ampeg is the only way to go if you want to turn heads when people hear you thump and groove.

(1 of 1 customers found this review helpful)

 
5.0

Work Horse

By Kelam Eillap

from Los Angeles, CA

Comments about Ampeg B-4R Solid State Amp Head:

This head is absolutely amazing. I run it through an SVT-410HLF cab, and have yet to play any venue where it did not have enough volume, or where I wasn't able to adjust the sound to fit the room's accoustics. It is able to take a great deal of abuse, too. Most times I play a show where the sound company brings their own bass rig, I regret not taking at least my own head, if not my full rig.

(1 of 1 customers found this review helpful)

 
5.0

One of the finest Ampeg products avaible.

By Royal187

from Palmyra, Pa

Comments about Ampeg B-4R Solid State Amp Head:

I currenty own the B4R head and I am more than pleased with the product. The graphic EQ always me to control my sound while still delivering a powerful 1000 watt "punch in the face." I would strongly recommend this amp head to any bassist.

(1 of 1 customers found this review helpful)

 
5.0

Best for less

By cismiller

from Phoenix AZ

Comments about Ampeg B-4R Solid State Amp Head:

This amp is the best amp I have ever owned. I hooked this up to my Eden 410xlt 8-ohm cab and it cranks out the most cleanest low-B I have ever heard. Equalizer is the best part about this amp. Pretty much can get the sound and loudness I want either with more bass or treble. I won't say anything less about this amp. I like the way Ampeg designed a button called limit defeat. Won't let you blow your speakers as a safe precaution. Will recommened this amp to the intermediate to pro levels of bassplayers. This amp has it all, power, clean, full-tone control, and multiple hook-ups for speakers. This is the amp to own, besides the Svt-4 pro. A must have. Thanks!

(1 of 1 customers found this review helpful)

 
5.0

Everything you need for todays music and more.

By The Amazing Mr. Brownstar

from Hell

See all my reviews

Comments about Ampeg B-4R Solid State Amp Head:

Calling the B4R "the poor mans version of the SVT 4 Pro" is an insult. The B4R is able to handle whatever music situation you can throw at it. If you are not a fan of tubes and there slow response than the B4R is the last amp you will ever need to buy.

(1 of 1 customers found this review helpful)

 
5.0

Sick

By Xthischarminmanx

from Carmel, NY

See all my reviews

Comments about Ampeg B-4R Solid State Amp Head:

Amazing bass head, I believe it's better than the svt-4 pro.

 
5.0

Review

By mikeb9287

from PA

See all my reviews

Comments about Ampeg B-4R Solid State Amp Head:

Very powerful... nice tones... and a decent amount of things you can play around with for your own personal bass sound. i like the tuner output, i thought it was necessary because your bass should always be in tune for this amp. and since its 45lbs, maybe putting the head in a rack isn't a bad idea... and in the future i hope to add a rackmount tuner and other things to fill up a rack... thanks

 
5.0

ampeg still the best

By Erik-8sEQb

from Wichita Falls, TX

See all my reviews

Comments about Ampeg B-4R Solid State Amp Head:

Ampeg has always been the best when it comes to bass amps but this monster here can really make you sound like a professional. Not only do you get a huge amount of power to use the EQ on it is probably one of the most sensitive I have touched, a tiny adjustment makes a huge change. The price is perfect for this amp and you?ll understand why once you have played on it, Ampeg is still the best without a doubt

 
4.0

a cool piece

By Anonymous

from Undisclosed

Comments about Ampeg B-4R Solid State Amp Head:

This also is a good brick to play off of. Solid and loud. Great when paired with an active bass! Power is its strong point. Listen for yourself & decide, I like it and use it to gig more than my SVT 3 pro.

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