Ampeg SVT-4 PRO Series Bass Head

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The Sound You've Been Searching For.

The Ampeg SVT-4PRO bass heads define state-of-the-art in bass amplification. Each one was designed with the playing professional in mind. The features and tone fit every style of playing as well as provide enough power for every type of gig.

This professional-caliber amp head is a bass player's dream. Featuring an all-tube preamp (three 12AX7s) and Mos-Fet power amp, the SVT-4PRO outputs 2 x 600 watts at 2 ohms. Use it in mono-bridged mode for up to 1200 watts of output power or in a biamped mode with up to 600 watts per channel.

Tone-shaping is a real pleasure with this amp's 3-band parametric EQ, 9-band graphic EQ, Ultra Low Boost and Ultra High Boost controls. Plus, you've got incredible flexibility with its two balanced line outs, two effects loops, two preamp out/power amp in jacks, and a tuner out jack. Ensuring the best possible clarity and tone, the SVT-4PRO also boasts a -15dB pad, variable 0-7:1 compressor, defeatable optocoupler limiters, internal 24dB/Octave crossover, and 1/4" biamp high and low outputs. The SVT-4PRO is the new classic in the Ampeg product line.

Features
  • 3-band parametric EQ
  • 9-band graphic EQ 5-position mid tone control
  • Ultra low and ultra high boost switches
  • 2 balanced line outputs
  • 2 effects loops
  • 1/4" and Neutrik Speakon outputs
  • Input peak LED
  • Middle Tone Control: 5 position
  • Preamp: Tube (3 x 12AX7)
 

SVT-4 PRO Series Bass Head Specifications:

  • Dimensions: 19" x 5.25" x 15.5"
    Output: 600 Watts x 2 at 2 Ohms
    Weight: 42 Pounds
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by PowerReviews
AmpegSVT-4 PRO Series Bass Head
 
4.8

(based on 9 reviews)

Ratings Distribution

  • 5 Stars

     

    (7)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

Reviewed by 9 customers

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(1 of 2 customers found this review helpful)

 
5.0

Wonderful!!!

By 

from Irmo, SC

Comments about Ampeg SVT-4 PRO Series Bass Head:

A true "Pro" amplifier. It can handle any style of music you throw at it. and don't forget about power!!! I run mine through a Yorkville 8x8 and a Ampeg 8x10. Way more volume than I will ever need.

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(18 of 31 customers found this review helpful)

 
4.0

versatile but finicky

By 

from Dallas, TX

Comments about Ampeg SVT-4 PRO Series Bass Head:

I have had mine for 7 years. It is LOUD, but tonally versatile - you can dial up a pretty wide array of sounds if you take the time to learn how it works. Lots of output options, the gain on the XLR out is really handy, and you can biamp it (with another amp, if 1200 watts aren't enough for you).Build quality of mine was TERRIBLE. Lots of cold solder joints inside. The tech who repaired mine the first time actually commented "very shoddy work!" regarding the original soldering. I have fixed joints myself a couple times afterwards. My understanding is that this is common to newer SVTs - it might be worth it to go over the circuit boards and check solder joints. No problems after the repairs, but for the money, I expect durability out of the box.I love this amp, I just wish the quality control at ampeg were a little better.

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(49 of 96 customers found this review helpful)

 
4.0

nice amp

By 

from new zealand

Comments about Ampeg SVT-4 PRO Series Bass Head:

Excellent sound and power. Have had mine for 3 years and over last 6 months trying to figure out why it would mute itself whenever it felt like it. Eventually, found a dry solder jointon board where insert jack sockets are soldered on, looked like little care was taken assembling this part of the amp.Could get no help from Ampeg trying to figure out problem.Would expect more sturdy construction and customer support from amp in this price.

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(82 of 146 customers found this review helpful)

 
5.0

Many, many compliments!!!

By 

from Phila, PA

Comments about Ampeg SVT-4 PRO Series Bass Head:

I've owned an SVTPRO-4 for a few years. Actually had it signed by Billy S. himself.. I've had nothing but compliments on the sound this amp puts out with the PR410hlf under it. The first review you read here is from "Cash", he bought one soon after playing through my rig. If you want professional sound, and bone jarring thump, you need to pick one of these up!!

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(17 of 38 customers found this review helpful)

 
5.0

the best

By 

from Indiana

Comments about Ampeg SVT-4 PRO Series Bass Head:

This bass head will be the last one you have to buy. If you are looking for the sound the big dogs have, look no further. You just found it. The best I have ever owned.

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(20 of 43 customers found this review helpful)

 
5.0

the perfect amp

By 

from las vegas, nv

Comments about Ampeg SVT-4 PRO Series Bass Head:

This amp is amazing. I have had quite a few different amps and none can match the tone and volume I get out of this. I run an 810E cab and a 215 cab and it does this effortlessly. Great tour rig. It takes a beating.

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(59 of 114 customers found this review helpful)

 
5.0

Don't want it

By 

from McCall, Id

Comments about Ampeg SVT-4 PRO Series Bass Head:

This is an excellent head. Extremely adjustable for any type of music. Very powerful. Can get my Ampeg 610 classic cab to self defeat. The "high" is normally turned down low or off. However, in certain situations, especially with the compressor turned up, the intonation of basses with active electronics actually can go off by 1/2 step, which I can't handle. I think it is due to the 3-tube preamp section. I'm selling mine for a Mesa Bogie. I feel this is a pro setup, and I personally like the bogie 600+ a little better. I love the 610 cab though! Easy to move, nice sliders on the back, nice handle.

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(21 of 46 customers found this review helpful)

 
5.0

WOW

By 

from Lansing, michigan

Comments about Ampeg SVT-4 PRO Series Bass Head:

I have never been so pleased with an amp in my life. I work at a music store and honestly try out tons of gear a week and this amp by far is the baddest thing out there. I run it with an SVT 610 cab and there is nothing out there that can touch the tone from metal to hip hop this amp will be your last!

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(67 of 104 customers found this review helpful)

 
5.0

The best bass amp ever made!

By 

from Phila, PA.

Comments about Ampeg SVT-4 PRO Series Bass Head:

I play this amp six nights a week and its durability and unbelievable power are beyond words. Sound men love its line out capability. Ampeg once again sets the standard of modern amps.

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