Pricing and availability

We compare 600+ stores and found this item at 5 stores. Prices updated .

Sweetwater
4.5 (15)
$1,999.99
Guitar Center
4.5 (20)
$1,999.99
Reverb
5.0 (11)
$1,999.99 New
$795.00 Used
Musician's Friend
4.0 (99)
$1,999.99
zZounds
5.0 (6)
$1,699.99

Average Price: $1,749

High-end/Boutique

$200

$801+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 3 merchants for "Ampeg SVT-4PRO 1200-Watt". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Experience the perfect blend of modern technology with classic tone in the Ampeg SVT-4PRO 1200-Watt Bass Amplifier Head. This hybrid bass head harnesses the power of a 3-tube preamp and a MOSFET power amp to deliver an impressive 1200W at 4 ohms.

With its tone-shaping capabilities, the SVT-4PRO offers a broad palette of tonal options, allowing you to fine-tune your sound to your exact preference. It features a 3-band tone control, 5-position mid switch, and a 9-band graphic EQ. But, what sets it apart is the frequency control that lets you select the center frequency for the midrange control, providing five distinct voicing options for the midrange.

The Ampeg SVT-4PRO is not just about sound, but also convenience. It comes with a tuner out/mute function, 2 balanced line outs with transformers, 2 effects loops, and 2 preamp out/power amp ins. The defeatable optocoupler limiter and variable 0-7:1 compressor ensure you maintain control over your sound at all times.

Designed for the touring professional, the SVT-4PRO is rackmountable, making it easy to transport and set up. This bass head combines the classic SVT tone with contemporary reliability, making it a staple for any serious bassist's gear collection.

Key Features:

  • 1200 watts at 4 ohms
  • 3-tube preamp and MOSFET power amp
  • 3-band tone controls and 5-position midrange tone control
  • 9-band graphic EQ
  • Frequency control allowing five distinct voicing options for midrange
  • Defeatable optocoupler limiter and variable 0-7:1 compressor
  • Tuner out/mute function
  • 2 balanced line outs with transformers, 2 effects loops, and 2 preamp out/power amp ins
  • 1/4" and Neutrik speakON outputs
  • 3 x 12AX7 preamp tubes
  • Solid-state power amp
  • Rackmountable for ease of transport and setup

Product specs

Type Hybrid
Number of Channels 1
Total Power RMS: 1600W @ 4 ohms Mono-Bridged, 2 x 900W ; Continuous: 1200W @ 4 ohms Mono-Bridged, 2 x 600W
Compression Yes
EQ 3-band (5-position Midrange), 9-band Graphic
Preamp Tubes 3 x 12AX7
Inputs 1 x 1/4", 2 x 1/4" (power amp)
Outputs 3 x speakON, 4 x 1/4" (speaker), 4 x 1/4" (line, preamp), 1 x 1/4" (tuner), 2 x 1/4" (bi-amp), 2 x XLR
Effects Loop Yes
Footswitch I/O 2 x 1/4" (effects, graphic EQ/mute)
Footswitch Included No
Cooling System Internal Fan, Heatsink, Side/Rear Air Vents
Power Source Standard IEC AC cable
Height 5.6"
Width 19"
Depth 15.5"
Weight 39.5 lbs.

FAQs

How many watts does the Ampeg SVT-4PRO produce?

The Ampeg SVT-4PRO delivers up to 1600 watts RMS at 4 ohms in mono-bridged mode or 2 x 900 watts, providing substantial power for large venues and demanding performances.

What type of preamp does the Ampeg SVT-4PRO use?

The Ampeg SVT-4PRO features a hybrid design with a tube preamp utilizing 3 x 12AX7 tubes, offering a blend of classic tube warmth and modern functionality.

Does the Ampeg SVT-4PRO have an effects loop?

Yes, the Ampeg SVT-4PRO includes an effects loop, allowing you to integrate external effects processors into your signal chain easily.

What are the EQ options on the Ampeg SVT-4PRO?

The SVT-4PRO offers a versatile EQ section with a 3-band EQ including a 5-position midrange control and a 9-band graphic EQ for precise tonal shaping.

Is the Ampeg SVT-4PRO suitable for live performances?

Yes, with its powerful output and comprehensive connectivity options, the Ampeg SVT-4PRO is well-suited for live performances in medium to large venues.

Solotech Audiovisual Equipment

Solotech Audiovisual Equipment

Ampeg's SVT-4pro Bass Head

Video thumbnail for Ampeg's SVT-4pro Bass Head by Solotech Audiovisual Equipment

Ampeg's SVT-4pro Bass Head

Solotech Audiovisual Equipment

Solotech Audiovisual Equipment

Video thumbnail for Ampeg SVT-4 Pro Bass Head demo by IplayMusic2

Ampeg SVT-4 Pro Bass Head demo

IplayMusic2

IplayMusic2

Video thumbnail for Ampeg SVT-4 Pro & Jan-Olof Strandberg # English version by Kitarablogi

Ampeg SVT-4 Pro & Jan-Olof Strandberg # English version

Kitarablogi

Kitarablogi

Video thumbnail for Ampeg SVT-4 Pro Bass Guitar Amplifier Head - Ampeg SVT-4 Pro by American Musical Supply

Ampeg SVT-4 Pro Bass Guitar Amplifier Head - Ampeg SVT-4 Pro

American Musical Supply

American Musical Supply

Video thumbnail for Head Cabinet Ampeg SVT4 Pro by Gusur Wiwid

Head Cabinet Ampeg SVT4 Pro

Gusur Wiwid

Gusur Wiwid

Reviews

PROS

  • Exceptional durability and reliability over many years

  • Versatile connectivity options for speaker cabinets

  • Offers a clean, articulate sound separate from the signature Ampeg "growl"

  • Can be used in mono-bridged mode for powerful output

  • Suitable for both studio and live settings

  • Excellent build quality, akin to a "MAC Truck"

  • High fidelity and volume without compromising sound quality

  • EQ and compression controls are effective and straightforward

  • Enhances sound quality even with smaller cabinets

  • Ideal for a wide range of musical styles and venues, from clubs to stadiums

CONS

  • Some users experienced issues with amp shutting down due to overheating in rack mounts

  • Biamp configuration may seem quieter compared to bridged-mono setup

  • Pricey, making it an investment

  • Footswitch not included despite the high price

  • Customer service not available on weekends for immediate support

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Ampeg SVT-4PRO 1200-Watt.

Features and functionality

  • The SVT-4PRO offers stereo power amps and biamp/crossover options, providing significant flexibility for different sound setups.

    Source
  • The Ampeg 810E cabinet's five input jacks include two 1/4" parallel jacks and two speakon parallel jacks for 4 ohm/mono, plus a stereo option jack that splits the cab.

    Source

Comparisons

  • The SVT-4PRO is described as cleaner and more high-headroom than the SVT-3PRO, which has a tube gain control affecting voltage and sound compression.

    Source

User experience

  • It's noted that the SVT-4PRO is heavier than some alternatives, impacting its portability despite its powerful performance.

    Source

Value and pricing

  • A new SVT-4PRO can be significantly more expensive than $600, making a well-maintained used unit a potential bargain.

    Source

Setup and maintenance

  • Using the mono-bridge output requires the mono-bridge button pushed in; connect to any 4 ohm/mono jack for full 1200-watt power.

    Source
  • For safer operation with the Ampeg 8x10E, utilize just one power amp for 490 watts at 4 ohms to avoid overpowering the 800-watt cab.

    Source

Use cases and applications

  • To use dual 410 mode on the Ampeg 810E, plug into the top left jack; for full 8-speaker use, plug into any of the lower four jacks.

    Source
Add

5.0 out of 5

Based on 2 Reviews and 23 Ratings

5 star
4 star
3 star
2 star
1 star
geridallan

A Beast of a Head

This head is an absolute beast. It can get any tone you want!

thejoshlester

Love IT!

This amp is just all around awesome, puts out great tones, and has the volume you need when you are playing in bigger venues such as stadiums and arenas.

Artist usage

Add artist
See how Ryan Martinie uses Ampeg SVT-4PRO 1200-Watt

Ryan Martinie

Bassist

Mudvayne

...
Verified via Uberproaudio

Ryan Martinie of Mudvayne uses the Ampeg SVT-4PRO 1200-Watt bass amplifier head, as detailed in his gear list on Uberproaudio.

See how Stanley Clarke uses Ampeg SVT-4PRO 1200-Watt

Stanley Clarke

Singer, Bassist

Return to Forever

...
Verified via YouTube

In this Premier Guitar interview at (2:54), Stanley Clarke's bass tech shows off the Ampeg SVT 4 pro.

See how Cliff Williams uses Ampeg SVT-4PRO 1200-Watt

Cliff Williams

Bassist

AC/DC

...
Verified via YouTube

In this video from AmpegTV, Cliff talks about his use of the Ampeg brand. In the description of the video Ampeg writes "Bass Frontiers Magazine recently sat down with Ampeg endorser Cliff Williams of AC/DC. Cliff has been a long time supporter of Ampeg and plays an SVT-4PRO with an SVT-810E cabinet.

See how Alejandra Villarreal uses Ampeg SVT-4PRO 1200-Watt

Alejandra Villarreal

Singer, Bassist

The Warning

...
Verified via YouTube

During The Warning's live performance at Lollapalooza Chile on March 13, 2026, Alejandra Villarreal was seen using the Ampeg SVT-4PRO 1200-Watt amplifier. This is documented in a video posted by YouTube user ghastyy, capturing the event as part of The W4RN1NG world tour.

See how John McVie uses Ampeg SVT-4PRO 1200-Watt

John McVie

Bassist

Fleetwood Mac

...
Verified via Photo

John McVie has been a long-time user of Ampeg amplifiers, including the SVT-4PRO 1200-Watt model, which he used from the early '80s until 2019. Despite his endorsement with Orange, he continues to include a pair of SVT-4PROs in his touring rig, as noted on Talkbass.

See how Tim Skold uses Ampeg SVT-4PRO 1200-Watt

Tim Skold

Singer, Guitarist

Marilyn Manson

...
Verified via YouTube

In the "Behind the Player" trailer, Tim Skold mentions using Ampeg amps, suggesting he utilizes the Ampeg SVT-4PRO 1200-Watt bass amplifier head.

See how Trevor Dunn uses Ampeg SVT-4PRO 1200-Watt

Trevor Dunn

Bassist

Melvins

...
Verified via Photo

"When I play with the Melvins or Fantomas I have an Ampeg SVT Pro-4 out in LA, or I'll just use whatever crap Buzz has lying around," says Trevor, on his website. And in this photo, two Ampeg SVT Pro-4s can be seen behind Trevor.

See how Scott Reeder uses Ampeg SVT-4PRO 1200-Watt

Scott Reeder

Bassist, Composer

Kyuss

...
Verified via Bass Player

In this article, Reeder goes over most of the gear he’s currently using, amongst the list is the rackmount SVT-4PRO. It’s also believed he was using this as far back as the Kyuss days, on stage at Bizarre Fest 1995. Can also be seen on Reeder’s instagram.

See how Leo Moracchioli uses Ampeg SVT-4PRO 1200-Watt

Leo Moracchioli

Singer, Guitarist

Frog Leap

...
Verified via YouTube

Leo shows this Ampeg in 9:05.

See how Brian Gibson uses Ampeg SVT-4PRO 1200-Watt

Brian Gibson

Bassist

Lightning bolt

...
Verified via Photo

Brian Gibson uses the Ampeg SVT-4PRO 1200-Watt bass amplifier head, as seen in a photo from Laserbeast showing it atop 4x10 cabinets.

See how Jørn "Necrobutcher" Stubberud uses Ampeg SVT-4PRO 1200-Watt

Jørn "Necrobutcher" Stubberud

Bassist

Mayhem

...
Verified via YouTube

In this concert on February 4, 2023 in Hong Kong, Necrobutcher can be seen using an Ampeg SVT-4PRO with an Ampeg Cabinet.

See how Esperanza Spalding uses Ampeg SVT-4PRO 1200-Watt

Esperanza Spalding

Singer, Bassist

...
Verified via Premierguitar

According to Premier Guitar, Spalding uses an SVT-4PRO.

Album Usage

The Ampeg SVT-4PRO 1200-Watt has been featured on the following albums:

Used With

Based on how musicians on Equipboard use Ampeg SVT-4PRO 1200-Watt, it is most commonly used with the following gear.

Community setups

Show yours
nsemest182

nsemest182

Gear IQ 673

joaoribeiro

joaoribeiro

Gear IQ 573

johnvzajac

johnvzajac

Gear IQ 265

hammerbass

hammerbass

Gear IQ 152

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