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Ampeg SVT "Curved Line" 300-Watt Bass Amp Head 1975 - 1979

Ampeg SVT "Curved Line" 300-Watt Bass Amp Head 1975 - 1979

$1,399.00 Price Tier: High-end

This product is Vintage or Discontinued

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Page last updated Jul 01, 2026

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5.0 (4)

$1,399.00 12 available Used

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Average Price: $1,399

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$200

$801+

Price Tier

In the Bass Amplifier Heads category, Ampeg SVT "Curved Line" 300-Watt Bass Amp Head 1975 - 1979 is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

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Description

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Step back in time with the Ampeg SVT "Curved Line" 300-Watt Bass Amp Head, produced between 1975 and 1979. This iconic amplifier head is a piece of musical history, offering a massive 300-watt output that has been the backbone of countless legendary bass tones. Known for its warm tube-driven sound, the SVT "Curved Line" carries the legacy of Ampeg's commitment to quality and power, making it a treasured piece for any serious bassist or vintage gear enthusiast.

The amplifier's all-tube design delivers a rich, full-bodied sound that has made it a staple on stage and in the studio. Featuring a unique curved line aesthetic, this amp head not only performs with excellence but also stands out with its classic visual appeal. With its robust construction and reliable performance, this model has been a favorite among professionals across a range of music genres, from rock and jazz to blues and beyond.

Whether you're looking to capture the vintage vibe of the '70s or seeking a powerful tool for modern music production, the Ampeg SVT "Curved Line" is ready to meet your needs. Its enduring design and powerful output make it a worthy addition to any bassist's arsenal.

Key Features:

300-watt all-tube bass amp head
Classic Ampeg tonal quality with rich, warm sound
Unique 'Curved Line' design from the late 1970s
Suitable for live performances and studio recording
Durable construction for reliable, long-lasting use

Product specs

Brand	Ampeg
Model	SVT "Curved Line" 300-Watt Bass Amp Head
Finish	Black
Year	1975 - 1979
Made In	United States
Categories	Bass Heads
Color Family	Black
Direct Output	No Direct Output
Electronics	Tube
Impedance	4 ohms
Number of Channels	2 Channels
Number of Inputs	4 Inputs
Output Power (Watts)	300
Power Tube Type	6550
Reverb	None

FAQs

What type of tubes does the Ampeg SVT "Curved Line" 300-Watt Bass Amp Head use?: The Ampeg SVT "Curved Line" 300-Watt Bass Amp Head uses 6550 power tubes, known for delivering robust and powerful bass tones.
How many channels does the Ampeg SVT "Curved Line" Bass Amp Head have?: This bass amp head features two channels, allowing for versatile sound shaping and tonal options.
Is the Ampeg SVT "Curved Line" 300-Watt Bass Amp Head suitable for live performances?: Yes, with its 300-watt output, the Ampeg SVT "Curved Line" is ideal for live performances, providing ample power for large venues.
Does the Ampeg SVT "Curved Line" include a direct output for recording?: No, the Ampeg SVT "Curved Line" does not have a direct output, so an additional DI box would be needed for direct recording applications.
What is the impedance of the Ampeg SVT "Curved Line" Bass Amp Head?: The Ampeg SVT "Curved Line" operates at an impedance of 4 ohms, which is important to consider when matching with speaker cabinets.

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Artist usage

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Cliff Burton

Bassist

Metallica

Verified via Photo

In this photo of Cliff Burton we can see a 1979 Ampeg SVT Head

Steve DiGiorgio

Bassist

Death (Metal Band)

Verified via YouTube

At 0:36 in the video, you can see the Ampeg SVT "Curved Line" 300-Watt Bass Amp Head (1975 - 1979) behind Steve DiGiorgio. This footage is from the YouTube video titled "Steve Di Giorgio Bass Recording Playthrough - Calling," uploaded by SDGLowEnd, which captures Steve in the studio during the bass tracking session for the song "Calling" by Christos Nikolaou.

藤田 (Fujita)

Bassist

ネクライトーキー (Necry Talkie)

Verified via Photo

Fujita using this Bass amp in this music video

Colin Kimberley

Bassist

Diamond Head

Verified via Photo

Can be seen in this photo behind him. I am 99% sure that this is Curved Line just based on the font, shape, and the year this photo was taken (1982), and the fact that they only built this model from 1975-1979, he may have got it earlier.

Guy Pinhas

Singer, Bassist

Acid King

Verified via Photo

In this photo, Guy Pinhas can be seen using what appears to be a Ampeg SVT "Curved Line" bass amp head.

Derf Scratch

Bassist

Fear

Verified via YouTube

Used live and in the Studio with the Fender Precision Bass from 1977 until 1982.

Kevin Riddles

Bassist, Keyboardist

Angel Witch

Verified via Photo

In the user-uploaded photo, Kevin Riddles can be seen with the Ampeg SVT "Curved Line" 300-Watt Bass Amp Head from 1975 to 1979 positioned behind him.

Genre Usage

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Based on how musicians on Equipboard use Ampeg SVT "Curved Line" 300-Watt Bass Amp Head 1975 - 1979, it is most commonly used with the following gear.