Used Ampeg SVT 3 PRO Power Amplifier

Ampeg SVT-3 PRO Power Amplifier

“Tube Warmth, Rackmount Precision, and Gig-Ready Power”

Hybrid Bass Head with Legendary SVT Tone

The Ampeg SVT-3 PRO is a 450-watt rackmount bass amplifier head that blends the warmth of a tube preamp with the reliability of a solid-state power section. Designed for serious bassists, it delivers the iconic Ampeg Round Sound with modern flexibility, making it a favorite for studio sessions and live stages alike.

With three 12AX7 preamp tubes, a 9-band graphic EQ, and Ultra Hi/Lo boosts, the SVT-3 PRO offers deep tone shaping and dynamic response. Its Tube Drive control lets you dial in everything from clean punch to gritty growl, while the frequency-selectable midrange gives you five distinct voicing options.

Highlights

• 450 watts RMS @ 4 ohms / 275 watts @ 8 ohms

• Tube preamp section with 3 × 12AX7 tubes

• Solid-state power amp for consistent output

• 9-band graphic EQ and 5-position midrange selector

• Tube Drive control for added warmth and grit

• Balanced line out with ground lift and level control

• Rackmount design with front-panel mute and tuner out

Specifications

• Type: Hybrid bass amplifier head

• Preamp Tubes: 3 × 12AX7

• Driver Tubes: 1 × 12AX7, 1 × 12AU7

• Power Amp: Solid-state

• EQ: 3-band tone stack + 9-band graphic EQ

• Outputs: ¼" and Neutrik Speakon speaker outs

• Dimensions: 19" W × 3.5" H × 15.5" D

• Weight: 26 lbs

• Origin: USA

• Status: Active production

Artists Who Use This Amp

• Robert Trujillo (Metallica) – Relies on SVT-3 PRO for aggressive low-end

• Les Claypool (Primus) – Known for punchy, articulate tone through Ampeg heads

Touring bassists and studio pros – Appreciate its tonal flexibility and rackmount form