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Product 482032

SWR SM-500 Bass Amp   

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An amp bass players have loved for its tonal versatility has been updated with even more special features. It offers a tube (12AX7) front end; dual i...Click To Read More About This Product

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Redesign of a classic!

An amp bass players have loved for its tonal versatility has been updated with even more special features. It offers a tube (12AX7) front end; dual independent inputs for passive or active basses; gain with LED clip indicator; variable limiter; aural enhancer; bass, treble, and transparency controls; a 4-band graphic EQ; effects blend, stereo master volume; speaker on/off switch; side chain loop; tuner output; balanced XLR out with select switch direct mode, ground lift, and pad control; and bridge or stereo mode switching. Bridged mono: 500W @ 4 ohms, 400W @ 8 ohms, 250W @ 16 ohms (minimum load 4 ohms). Stereo: 300W per side @ 2 ohms, 250W @ 4 ohms, 150W @ 8 ohms (minimum load 2 ohms). 19"W x 3.5"H x 13.375"D. 20 lbs.

  • Tube front end
  • Dual independent ins
  • Variable limiter
  • Aural enhancer
  • 4-band graphic EQ
  • Bridged mono: 500W @ 4 ohms, 400W @ 8 ohms, 250W @ 16 ohms (minimum load 4 ohms)

Total tonal control with plenty of power and punch. Order now.


Review Snapshot

by PowerReviews

(based on 13 reviews)

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Reviewed by 13 customers

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(2 of 2 customers found this review helpful)


Great Sound/ Great Features

By Bardley

from Chattanooga, TN

I've been playing bass for over a decade now and have used a ton of gear from the cheapest of the cheap to the "costs more than my car" stuff. I've had the SM-500 for about a year now and to be honest, when I first got it I was a bit disappointed in the sound... that is, until I played a live gig with it. It cut through clearly with my SWR cab and has every feature I need. It actually sounds better after about 15 minutes of playing when the tube warms up. You can get a great tone with anything from my old P-bass to my modern Warrior Studio 5. I love it and Highly recommend it.



By MIcah282

from Vista,ca

I've played at my Brothers house it was amazing.


Best Bass amp I've used

By Steve-l3lIu

from Wilmington, NC

Delivers crisp clear bass at low levels as well as high output. I use it everywhere from small gigs to outdoor performaces. Just a great overall amp!


What an amp!

By Anonymous

from Undisclosed

I got a used one fo these and two cabs (avatar 2-10" and 1-15" with eminence speakers and le son horns!) and I must say, weather I'm playing for those small gigs and only take the 2-10", or the largest ampitheatre (which I do), the rig hold up. I can even get some nice tube distortion by cranking the front end. One word of advice: replace the stock 12AX7 with a good ol' NOS RCA or Raytheon or even a Sylvania. I'm too young to remember when these tubes were being made, but i got a few from an old piece of equipment at church that broke down, and WOW does it boost the low end even more! Overall, because I can get any sound out of this amp as well as better (IMHO) sound than any ampeg or even other SWRs (other than the SM-900, of course) I wholeheartedly recommend this product.



By AlanTheWise

from Richland, WA

See all my reviews

I spent much searching for just the right bass head that I wanted. I wanted the THUD-SLAP ability that pretty much every advanced bassist uses, as well as a really strong Mid-driven tone that can cut through everything else and really drive a song. I didn't want to blow away my checkbook, but I wanted something with enough wattage to play over the rest of my band while also leaving room to expand. In the end, I found my amp head. And if you havn't guessed yet, it was the SWR SM-500


One of the best sounding heads I have played

By Anonymous

from Undisclosed

The features of the head are great. The four band graphic EQ is very flexible. The aural enhancer is also a nice touch. Overall it was great buy.


Look no further

By Roadracer311

from San Francisco, CA

See all my reviews

The SM-500 is absolutely outstanding. I've had mine for about a year and it has been trouble free, very powerful and the tone is stunning. I recorded a record recently with a Grammy-nominated producer. She loved the tone of my SM-500. You can hear the final product on myspace. Search for "eyeknife" or just go to myspace and then /eyeknife to hear how great this head sounds.


I love my SM 500

By warrior462Y

from Bozrah, CT

This is an excellent amp that combines power and sound, and is complemented perfectly by any SWR cab.


Crystal Clean Tone

By EvictingBass

from Bensalem, PA

I upgraded from the older SM-400 and I must say I'm just as pleased with the SM-500 as I was with my old workhorse...I play Hard rock with some lite funk bass and the clean tone is killer. I run the amp mono into a Mesa Powerhouse 1000 (1x15 4x10) and it responds with thunderous bass and clean mids and highs.It's built like a tank and will probablt long outlast my other gear.


Simply the Best

By Rokracr

from U.S.

I've had or played all the best amp heads there is out there, there's SWR and the Ampeg SVT, ONLY. Don't waist your hard earned money on anything else, I've been a working professional musician for over 30 years, with top name bands, take care, and buy the best SWR!

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