The JMV Rack #4. Ampeg bass amplifier head is a dynamic force in the world of bass amps, merging classic Ampeg power with modern versatility. Known for its signature SVT tone, this amplifier head is a musician's dream, offering a rich palette of tonal options that cater to both traditional and contemporary styles. At its core, the JMV Rack #4. Ampeg boasts a combination of a tube preamp and solid-state power amp, ensuring a robust and reliable performance on any stage.

With its versatile 5-position Mid Tone Control, you can effortlessly shape your sound to perfection, while the 9-band Graphic EQ provides even more precision, allowing you to create your own unique sonic footprint or switch to a footswitchable second channel for those impactful bass solos. Whether you’re playing in a cozy club or a massive arena, the JMV Rack #4. Ampeg delivers consistent power and exceptional sound quality, making it a trusted choice for professional bassists around the globe.

Designed with both 1/4" and Neutrik Speakon® outputs, this amplifier head ensures secure connections, and its variable 0 - 7:1 compressor and defeatable optocoupler limiters provide unmatched control over your dynamics. The JMV Rack #4. Ampeg's rackmount design makes it a practical addition to any gigging setup, balancing portability with high-powered performance.

Key Features:

• RMS Power Output: 300-Watts x 2/900 (mono-bridged @ 8 Ohms)
• RMS Power Output: 490-Watts x 2/1200 (mono-bridged @ 4 Ohms)
• RMS Power Output (2 Ohms): 600-Watts x 2
• Preamp: Tubes (3 x 12AX7)
• Power Amp: Solid State
• Tone Controls: 3-Band with 5-Position Mid Tone Control
• Graphic EQ: Yes, 9-Band
• Ultra Low/High Boosts: Yes
• Balanced Line Out: Yes x 2 Pre/Post with Level
• Effects Loop: Yes x 2
• Preamp Out/Power Amp In: Yes x 2