Handcrafted in the UK Custom Shop for Black Sabbath’s Geezer Butler, the Head of Doom delivers 600 watts of signature Ashdown tone with crushing power and versatility. Built on the flagship ABM platform, it features a 9-band EQ, Sub-Harmonic generator, and the uniq...

  Created with Guy Pratt, The Interstellar is a 600-watt bass head inspired by his long history with the ABM-900. Featuring a 9-band EQ, valve drive, and foot-switchable compression and sub-harmonics, it delivers the versatility, punch, and precision that define Guy’...

  Developed with Pantera's Rex Brown, the RB-800 is an 800-watt UK-built bass head that blends Ashdown's signature tone with Rex's gritty edge. Featuring a versatile EQ section, Sub Harmonic Generator, Compression Control, and Valve Emulated Drive, it delivers everything f...

  Created with System of a Down’s Shavo Odadjian, the hand-built UK-made SO-1200 delivers a staggering 1200 watts of bass power through dual 600-watt sections for ultimate versatility. With a 9-band EQ, 12AX7-driven Variable Valve Drive, one-knob compressor, and sub-...