Ampeg SVT-4 Pro Bass Amp Head (Used)

The Ampeg SVT-4 PRO Bass Amplifier Head is a powerful, professional-grade hybrid bass amplifier designed for serious bass players, touring musicians, and live performance. It combines Ampeg's legendary tube-preamp warmth with a high-powered MOSFET solid-state power section, delivering tremendous volume, punch, clarity, and tonal flexibility.

With up to 1,200 watts of continuous power in bridged mode at 4 ohms, the SVT-4 PRO is built to drive large bass speaker cabinets and handle demanding stage performances.

Main features

1. Hybrid amplifier design

• Three 12AX7 preamp tubes for warm, rich Ampeg tone.
• Powerful MOSFET solid-state power amplifier.
• Dual independent power amplifiers.
• Stereo, dual-channel and mono-bridged operating modes.
• Built-in compression control.
• Designed for professional touring and studio applications.

2. Power output

Speaker impedance

Stereo mode

Mono bridged

2 ohms

2 × 900 watts RMS

—

4 ohms

2 × 625 watts RMS

1,600 watts RMS

8 ohms

2 × 350 watts RMS

1,200 watts RMS

These are the manufacturer's rated peak RMS specifications at 3% THD; continuous ratings are lower. Always follow the specified speaker impedance requirements.

3. Tone-shaping controls

• Three-band EQ: bass, midrange and treble.
• Five-position midrange frequency selector.
• Nine-band graphic equalizer.
• Ultra Hi switch for additional brightness.
• Ultra Lo switch for enhanced low-frequency character.
• Bright switch for added definition.
• Adjustable compression.

Comes in very good condition. Just a tad bit of wear on the top, but the amp still works perfectly.

As a consignment, our price is firm, and there are no returns.

Local pickup only.

Feel free to come by and play through the amp, and feel free to ask us any questions that come to mind!