Ampeg SVT-4PRO 1200-Watt

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$1,699.99 to $1,999.99 Price Tier: High-end

5.0 (23)

2 Reviews

Find out who is using Ampeg SVT-4PRO 1200-Watt

4 community setups

23 wishlisted

79 saved

Page last updated Jul 07, 2026

Pricing and availability

We compare 600+ stores and found this item at 5 stores. Prices updated July 5, 2026.

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4.5 (15)

$1,999.99

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4.5 (20)

$1,999.99

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5.0 (11)

$1,999.99 3 available New

$795.00 4 available Used

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4.0 (99)

$1,999.99

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5.0 (6)

$1,699.99

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Average Price: $1,749

High-end/Boutique

$200

$801+

Price Tier

In the Bass Amplifier Heads category, Ampeg SVT-4PRO 1200-Watt is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

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

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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.

Videos

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Reviews

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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

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

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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.
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User experience

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

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

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

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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.
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5.0 out of 5

Based on 2 Reviews and 23 Ratings

5 star

4 star

3 star

2 star

1 star

geridallan

215

almost 7 years ago

A Beast of a Head

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

thejoshlester

106

over 9 years ago

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.