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Description

The Ashdown ABM 900 EVO II is a powerhouse among bass amplifier heads, crafted for bassists who demand a robust and dynamic sound. This amplifier head is part of Ashdown's renowned ABM series, celebrated for its versatile tonal capabilities and reliable performance. Designed with the professional musician in mind, the ABM 900 EVO II delivers a formidable output that can fill any venue, from intimate clubs to vast arenas.

At its core, the ABM 900 EVO II features a dual power section, providing 575 watts per side in stereo mode or 900 watts in bridged mono mode. This flexibility means you can tailor your setup to suit any gig, whether you're performing solo or as part of a full band. The amplifier head is equipped with a comprehensive 9-band EQ, allowing you to sculpt your tone with precision. From deep, resonant lows to crisp, articulate highs, the ABM 900 EVO II has the range to cover any musical style.

For those who crave an authentic tube sound, this model includes a built-in tube preamp stage, delivering warm, rich harmonics that bring your bass lines to life. It also features an onboard compressor, ensuring your sound remains consistent and clear, even at high volumes. With connectivity options that cater to modern musicians, including a DI output for direct recording and live sound applications, this amplifier head is as practical as it is powerful.

Key Features:

  • Dual power section: 575 watts per side (stereo) or 900 watts (bridged mono)
  • Comprehensive 9-band EQ for precise tone shaping
  • Built-in tube preamp stage for warm, authentic sound
  • Onboard compressor for even sound dynamics
  • DI output for direct recording and live sound applications
  • Versatile input and output options for various setups

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Ashdown Engineering ABM 900 EVO II.

Build quality

  • The ABM range is noted for its heavy weight due to old Class AB technology, impacting portability.

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Features and functionality

  • The tube preamp is a unique feature that adds warmth and vintage rock sound not commonly found in modern amplifiers.

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  • The built-in analog octaver is highlighted for adding a distinct tonal layer, enhancing the ABM 900 EVO II's sound palette significantly.

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User experience

  • Owners appreciate the durability of the ABM heads, reporting that they remain functional after extensive use and physical wear.

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  • A user reported catastrophic failure after heavy use from 2006-2010, with the amp cutting out randomly before failing permanently.

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Setup and maintenance

  • Some passive basses may require a clean boost pedal to effectively drive the tube preamp for optimal sound output.

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  • Owners in the U.S. find it challenging to repair due to the complex British circuitry, with some shops refusing service.

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Use cases and applications

  • Despite its weight, the amplifier was praised for delivering a full-bodied bass tone that many users continue to seek in other amps.

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  • The ABM 900 EVO II is preferred for rich, full-bodied tones suitable for various musical settings, though reliability concerns in the long term are noted.

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Based on 0 Reviews and 0 Ratings

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Artist usage

Add artist
See how John Entwistle uses Ashdown Engineering ABM 900 EVO II

John Entwistle

Singer, Bassist

The Who

...
Verified via YouTube

It can be seen in the "Thunderfingers" documentary promo

See how Adam Clayton uses Ashdown Engineering ABM 900 EVO II

Adam Clayton

Bassist

U2

...
Verified via Photo

In this scan of an article from the January 2006 issue of Bass Player magazine, the "Signal Chain" section indicates that Adam was using two 900 EVO II heads at the time of recording and touring for U2's album How to Dismantle an Atomic Bomb.

See how Jeremy Davis uses Ashdown Engineering ABM 900 EVO II

Jeremy Davis

Bassist

Paramore

...
Verified via Bonedo

We were using the ABM 900s all year

See how Jacob Fink uses Ashdown Engineering ABM 900 EVO II

Jacob Fink

Bassist

Foster the People

...
Verified via YouTube

The bass amp that Fink is using during this concert in the letterman show its an ashdown ABM 900 EVO II with two 4x10 cabinets.

See how Dougie Poynter uses Ashdown Engineering ABM 900 EVO II

Dougie Poynter

Singer, Guitarist

McFly

...
Verified via Ashdown Engineering

Dougie can be seen in the link using the Ashdown ABM 900 EVO II on the Motion in the Ocean tour.

See how Martin Blunt uses Ashdown Engineering ABM 900 EVO II

Martin Blunt

Bassist, Composer

The Charlatans

...
Verified via YouTube

In the YouTube video titled "The Charlatans - Come Home Baby - Live from The Church," Martin Blunt is seen using the Ashdown Engineering ABM 900 EVO II at both 1:29 and 2:26, confirming his use of this specific bass amplifier.

See how Randy Coven uses Ashdown Engineering ABM 900 EVO II

Randy Coven

Bassist, Composer

Mountain

...
Verified via Lionmusic

As seen in Randy's Lion Music artist page.

See how David Foral uses Ashdown Engineering ABM 900 EVO II

David Foral

Bassist

The Dirty Heads

...
Verified via Bass Musician Magazine, The Face of Bass

I’m currently playing a Music Man Sterling 5HH through an Ashdown 900 Amp into an Ashdown 8×10 cabinet. I’m also using a Moog Sub37 Synth and sending that through a dbx compressor to an Ashdown amp and cab.

Album Usage

The Ashdown Engineering ABM 900 EVO II has been featured on the following albums:

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Ashdown Engineering ABM 900 EVO II, it is most commonly used with the following gear.

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    nikfarr
    nikfarr

    Gear IQ 15323