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Ampeg B500DR Bass Head

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Product 481484
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The Ampeg B500DR bass head uses a digital "front end" to remember your analog amp settings. This solid-state head has 350W output at 4 ohms and 500W ...Click To Read More About This Product

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Digital memory for your analog settings.

The Ampeg B500DR bass head uses a digital "front end" to remember your analog amp settings. This solid-state head has 350W output at 4 ohms and 500W at 2 ohms. Its 4 memory locations store your amp settings, remembering the settings for gain, EQ, effects blend, even which input you use! It's perfect for players who bring more than one bass to the gig. Dial in and save the perfect sound for each instrument and choose them with a button push. Even with one bass, the B500DR lets you automatically call up settings for R&B, rock 'n' roll, jazz, or funk. Each of the memory location is also footswitchable with the included 4-button footswitch.

  • 350W @ 4 ohms
  • 500W @ 2 ohms
  • 4 digital memory locations for saving analog settings
  • 3-band EQ
  • 4-button footswitch
  • 19"W x 3-1/2"H x 15"D
  • 32 lbs.

Review Snapshot

by PowerReviews

(based on 8 reviews)

Ratings Distribution

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  • 4 Stars



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  • 1 Stars



Reviewed by 8 customers

Displaying reviews 1-8

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Great Bass Head


from Wichita, KS

I bought this used a couple years ago. It's definitely NOT under powered if you run it below 4 Ohms. I used it with a 4ohm GK 8X10, and an 8ohm GK 1X15 (2.6ohms)in an arena show and it was loud, low, and smooth. The LEDs are useful in low light venues as well as the presets. I haven't had any problems with this product. I'm looking to purchase a second for practice and a back up.

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Ampeg B500DR Bass Head

By kingrexx

from Batesvile,Ms.

The Ampeg B500DR is a little under powered, however I was very impressed with the sound. But seven months after I bought it, it quit on stage in the middle of a show!


Under Powered

By Scott Bass

from Lacy Lakeview, TX

I bought this brand new when it was on sale. It came with a free stool which was cool. The amp has great tone and is easy to adjust. I like the selectable channels in which you can have different eq settings and fx loop settings. The downside of this amp is it is severely underpowered and leaves little headroom for volume even in practice situations. I had a behringer 300 watt that would blow this thing away in the power department but not in tone. They advertise it as 500 watts but thats at 2ohm which I doubt anyone has cabinets that can achieve that. So to take advantage of the 500watt rating You would need to parallel 2 four ohm cabs, or have a 4-10 wired to 2 0hm. Which I have and it still doesnt perform like a 500 watt amp. Im really disatified with this product because I expected so much more. Soon after I purchased this I read where the amp will be discontinued for obvious reasons. Save your money go with a better amp!


A for Amp-mazing!

By Ian4x4

from Mission, TX

I just got this baby last week and I never really knew what I was doing without! I was playing with a generic bass head that came with a $200 PA my band got for practices, but the first time I plugged it in it blew me away! I have an american Fender Jazz and a Warwick. The latter has serious punch since it's active, but the Fender sounds beautiful! A must buy!!!


You just need to find the right cabs...

By BasslineFrenzy

from Pennsylvania

See all my reviews

This head is amazing, simple as that. I have had my doubts at first when I first read all kinds of reviews concerning its lack of power. So, I tried out the head on several cabinets. Take note: Different cabinets react in their own way to different heads. I use 2 Hartke 4x10s (one aluminum and one paper) at 4 ohms and it sounds exactly like its 350 watt rating. Continuing on, the tone is beautiful through my Precision with Quarter Pounder Basslines, and sounds like everything that an Ampeg is. The multiple presets are very handy even if you only use one bass or play one style, because you can use those presets to set various volume levels for in-song part changes.I love it, and I am going to be using it for a long, long time.


Better save your money a little longer...

By Vyper2112

from watertown, NY

For something that's got a little more power and is produced a little better. While the Ampeg B500DR's digital front end is very handy and the tone that you can grab out of it is decent for the cash, unless you're playing in a slightly quieter band that's using low powered guitar amps and a light handed drummer, this amp will definitely not be what you need at 4Ohms and might not even be what you need at 2Ohms. Also, not more than a few months after purchasing the amp it popped an output resistor and a fuse, which I've heard from other sources is pretty common. So, by and by, clinch up those pennies and go for the Ampeg SVT-3 or something all-tube. Heck, you could probably wait and see if Ampeg dreams up a better version of this amp even.


pretty good

By Anonymous

from Undisclosed

not as much power as i would want but besides that it sounds amazing, just make sure you have power if your in a band battling against to jcm 2000's

(0 of 1 customers found this review helpful)


Ampeg Does it Again

By Guitarman-guM0x

from Jonesboro, Ga

See all my reviews

This Amp is amazing, because of the Tone, It sounds close to a tube pre amp with out having it, the only thing it has is Effects and it sounds wider and deeper, the more you in crease it, which has that low end growl, close to the same sound that my Ampeg Svt 3 puts out.It still does not have the same the warmth of the tube pre amp, I really like the 4 Digital Front end programs, formed from your programs that you create making it very versital in sound, and style of music you play, which can be controlled with the foot controller, all in all you can not beat "the bang for the buck", cost of this bass head, If your a Bassist at all you need this for small and medium venues, thanks for listening Bassman 52.

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