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Ampeg SVP-Pro Series Bass Preamp

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Product 481832
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The Ampeg SVP-Pro Series Bass Preamp uses 5 - 12AX7 tubes to provide the true, rich, tubular tone only a genuine multivalve signal path can generate....Click To Read More About This Product

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Multivalve warmth and body with high-tech accouterments.

The Ampeg SVP-Pro Series Bass Preamp uses 5 - 12AX7 tubes to provide the true, rich, tubular tone only a genuine multivalve signal path can generate. Tube Drive Control gives you precision command over just how hot those babies burn. Input peak LED, input pad and bright switch, mute function (to avoid those annoying clicks when you switch instruments mid-song), balanced line out, effects loop, 3 EQ knobs, nine-band graphic EQ, and tuner out give you all the pro flexibility you expect from Ampeg. 19"W x 1.75"H x 10"D. 9 lbs.

  • Five 12AX7 tubes
  • Balanced line out
  • Effects loop
  • Nine-band graphic EQ
  • Five-position mid tone control
  • Tube Drive Control
  • Input peak LED
  • Input pad & bright switch
  • Mute function
  • Tuner out

This is the thing you need to generate the tone you crave. This is a price you can swing. Make the right decision. Make yourself a very happy guitar player.


Review Snapshot

by PowerReviews

(based on 12 reviews)

Ratings Distribution

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  • 1 Stars



Reviewed by 12 customers

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(1 of 2 customers found this review helpful)


Best Yet

By Warwick-jOHkl

from NE Pa.

I have owned all kind of amps, this one is the same sound as the bass on the record. I actually was going to buy a different pre-amp and was blown away by this unit. Better than the more expensive units.



By Terry the 'B'

from Ventura, CA

The best of both worlds, SS power and the sweetness of a tube preamp (mine has four 12AX7s and one 12AU7). Smooth, creamy notes emanate from my folded horn, 18 inch speaker cabinet.
Very flexible controls, allow for the sound you are trying to get. Just takes a little time to learn all of the possible variation available, with the myriad control panel.

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I love mine

By Jamezy

from Port Jervis, NY

I use mine with an old Mesa fifty fifty for power amp, if tubes become old and I need more pushed sound I use my sansamp, preamp can get a lot of different tones, can use eq switch as boost or cut, awesome preamp

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  • No

my giggin rig

By svp pro guy

from NC

See all my reviews

it's a bit noisy, but that it isn't noticeable when you're playing. and it has that fat ampeg tone... a nice full sound, good midrange controls... i have another big name tube preamp and tube head that are now "backup" items.


SVP Pro Pre-amp

By Mack-VxnMI

from reno, NV

See all my reviews

These little pupppies put diversity at your fingertips for sculpting clarity and character of your sound, regardless of the musical genre you entertain. Balancing the relative string SPL is not some "pie in sky" application with the array of EQ adjustments that lavish this unit. It is slightly noisy for DI work, but the tone you get is worth the trade off. Properly set, the drive (or tube) section can color notes, making them sound as if a chorus effect is shadowed on the instrument- but without any digital facade. The sound is all natural. I've seen guys rack this unit with Mackie power amps and drive the rig through stacks of Eden and Ampeg speaker cabs. It's an envious unit to have. Oh! And it is fun. It's really Fun.


Ampeg sound without the pounds!!

By Anonymous

from Undisclosed

If you want that Ampeg sound without the bulky weight of their regular heads, this is the preamp for you! It sounds awesome and is super reliable.


Finally, got the sound!

By Marksman-MXbRs

from San Angelo, TX

After trying about every bass preamp/DI that I could get my hands on, a friend brought over an SVT3 Pro for me to work on. Fortunately, I got it working right and got to play with it for a while. I liked it so much that I started shopping around for one and came across the SVP Pro, which is essentially the same preamp as the one integrated into the SVT3. I bought one and, from that point, the shopping around was history. I have 2 American Fender P-Basses one with active electronics, and one without. I also play an old Rickenbacker 4001. This preamp make them all sound super. Great unit for the price.

(0 of 1 customers found this review helpful)



By Anonymous

from Undisclosed

When my band went to the recording studio we started getting ready and I saw one of these babies on top of an Ampeg SVT-810E bass enclosure. I Bought my multi effects unit and a wah for my bass and when I was trying it out I was saying to myself "My Multi effects is ruining the sound!" It pumped out a loud and clear sound. Very good! Ampeg always does the job right.


Best bass investment I've ever made.

By Subtracting3

from Louisville, KY

See all my reviews

The idea behind this preamp is incredible; pay for the entire preamp (and all tube, at that)section of the SVT-2 Pro at a fraction of the cost. The tone is phenomenal, the sheer amount of tone-shaping tools incorporated into this preamp are mind-boggling. I run this alongside my old Yorkville 400 watt bass amp and an SWR 8x10 cab, and a Fender Mexican-made P-Bass Deluxe and I've never been happier with my sound. If you are questioning whether or not to buy this preamp or an entirely new bass amp head, get this Ampeg preamp. You won't be disappointed. And, to top it off, it has a five year warranty, which is good.


great preamp

By ahfsadjhg

from Issaquah, WA

See all my reviews

this is a great addition to any set up that is lacking in tone. unlike other reviewers, i get absolutely no extra hum or noise, but it may just be my setup. it gives that amazing ampeg tone for a small price and can just be added on to any existing setup.


Too Phat!

By Bassman57

from Salinas, California.

After 30 plus years of playing bass I finally found my sound with this pre-amp. The warmth and tone that's available with this pre-amp allows me to be phat at any venue. I salute Ampeg!


Very Cool..

By crass221984

from Simi Valley, CA

See all my reviews

It has been a great addition to my rack-mounted arsenal... The 9-band EQ is the big plus... especially the low bands... they are low, but not as low as the SVT 5-Pro.

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