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Average Price: $1,549

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$200

$801+

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Based on price data from 3 merchants for "Ashdown Engineering ABM-EVO IV DUAL-VU-RACK-HEAD". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Unleash the full potential of your bass sound with the Ashdown Engineering ABM-EVO IV DUAL-VU-RACK-HEAD. This rackmount powerhouse is engineered to accompany you on any tour, delivering a seismic 600 watts of gut-rumbling power that ensures your bass is felt as much as it is heard. Housed in a robust 3U chassis crafted from 2mm milled steel, this amp head is built to endure the rigors of life on the road.

At the core of the ABM-EVO IV is a hybrid design that combines a 12AX7 tube preamp with a solid-state output stage, offering you the best of both worlds: the warmth of tube tones with the reliability of solid-state performance. The upgraded preamp section features a dynamic 9-band EQ, giving you unprecedented control over your sound. Whether you're dialing in pristine cleans or gritty overdrives, the dedicated drive knob lets you shape your tone with precision.

Iconic dual VU meters provide real-time monitoring of your signal pathways, while the sub-harmonic generator enriches your sound with deep, octave-lower tones. Designed for the professional bassist, this amp head includes practical features like a built-in compressor, effects loop, and a dedicated tuner output, ensuring you're always ready for the stage.

Key Features:

  • 600-watt rackmount bass amplifier head
  • Hybrid design with 12AX7 tube preamp and solid-state output stage
  • 9-band EQ with Bass, Middle, Treble, and 6 sliders for precise tone shaping
  • Built-in compressor and sub-harmonic generator
  • Dual VU meters for input gain and output level monitoring
  • 4 secure speakON outputs for speaker cabinets
  • DI output with XLR connection
  • Rugged 3U chassis with front and rear mounting points

Product specs

Type Hybrid
Output Power 600W
Compression Yes
EQ 9-band EQ
Preamp Tubes 1 x 12AX7 (rectifier)
Outputs 2 x SpeakON, 1 x XLR (direct out), 2 x 1/4" (full range, line level)
Effects Loop Yes
Footswitch I/O 1 x 1/4" (EQ, compression, overdrive, sub octave)
Footswitch Included No
Cooling System 2 x Internal Fans, Rear/Side Air Vents
Power Source Standard IEC AC cable
Height 5.31"
Width 18.66"
Depth 12.59"
Weight 27.55 lbs.

FAQs

What type of power does the Ashdown ABM-600 DR EVO IV bass head deliver?

The Ashdown ABM-600 DR EVO IV bass head delivers a robust 600 watts of hybrid power, combining solid-state reliability with tube warmth from its single 12AX7 preamp tube.

What kind of EQ options does the Ashdown ABM-600 DR EVO IV offer?

This bass head features a comprehensive 9-band EQ, allowing for precise tonal shaping to suit a wide variety of musical styles and performance environments.

Does the Ashdown ABM-600 DR EVO IV bass head include a built-in compressor?

Yes, the Ashdown ABM-600 DR EVO IV includes a built-in compressor, providing smooth dynamic control to enhance your bass sound.

Can I connect external effects pedals to the Ashdown ABM-600 DR EVO IV?

Yes, the Ashdown ABM-600 DR EVO IV features an effects loop, allowing you to easily integrate external effects pedals into your setup.

Is a footswitch included with the Ashdown ABM-600 DR EVO IV bass head?

No, a footswitch is not included with the Ashdown ABM-600 DR EVO IV, but it does have a footswitch input for controlling EQ, compression, overdrive, and sub octave features.

Ashdown Engineering

Ashdown Engineering

Ashdown Engineering - ABM 600 EVO IV Bass Head and cabs demo

Video thumbnail for Ashdown Engineering - ABM 600 EVO IV Bass Head and cabs demo by Ashdown Engineering

Ashdown Engineering - ABM 600 EVO IV Bass Head and cabs demo

Ashdown Engineering

Ashdown Engineering

Video thumbnail for Ashdown ABM EVO IV by Ashdown Engineering

Ashdown ABM EVO IV

Ashdown Engineering

Ashdown Engineering

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