Designed to give you the iconic sound of Geezer Butler, the Ashdown Engineering HOD 600 Geezer Butler Signature 600W Bass Amp Head is a handcrafted masterpiece from the UK. Born from rigorous testing and meticulous design, this amp serves up classic, driven bass tones with phenomenal power. Whether you're a Sabbath fan or a bassist seeking a signature sound, this amp offers flexibility and reliability that's been tried and tested on the grandest of stages.

Beyond its impressive 600W RMS power section, the amp boasts of unique features designed for precision and versatility. Its Doom control increases the current to the 12AX7 pre-amp valve stage, unleashing a rich harmonic distortion tailor-made for bass. This, coupled with a sophisticated 9-band EQ, lets you shape your sound with unprecedented granularity.

Adding to its visual appeal and practicality, the Head of Doom sports dual VU meters - a first for Ashdown. This allows for precise output level monitoring, helping you find that sweet spot for your instrument.

Key Features:

• Hand-built in the UK, designed around Geezer Butler's requirements
• 12AX7 pre-amp valve stage with Doom control for rich harmonic distortion
• 600W RMS power section with dual Neutrik speakon outputs
• Sophisticated 9-band EQ for precision tone shaping
• Dual VU meters for precise output level monitoring
• Sub-Harmonic generator for added low-end depth
• Multiple connectivity options including tuner output, line out, FX loop, and line input
• Transformer-isolated outputs for running multiple heads from one input source
• Passive/Active switch to suit the output from passive basses
• Output muting for silent tuning

Product specs

FAQs

What makes the Ashdown HOD 600 Geezer Butler Signature Bass Amp Head unique?

The Ashdown HOD 600 is a signature model designed in collaboration with Geezer Butler, featuring a solid-state design with a tube preamp and a powerful 600W RMS output, ideal for capturing Geezer's iconic tone.

Is the Ashdown HOD 600 suitable for live performances?

Yes, the Ashdown HOD 600 offers 600W of power, making it suitable for live performances and capable of delivering a clear, robust sound even in larger venues.

What type of EQ controls are available on the Ashdown HOD 600?

The Ashdown HOD 600 features a 3-band EQ along with a 6-band graphic EQ, providing versatile tone-shaping options to suit various playing styles and genres.

Does the Ashdown HOD 600 come with a footswitch?

No, the Ashdown HOD 600 does not include a footswitch, but it has a footswitch I/O for an optional 4-way footswitch to control additional features.

Can the Ashdown HOD 600 be used with both passive and active bass guitars?

Yes, the amp head includes a 1/4" input that accommodates both passive and active bass guitars, ensuring compatibility with a wide range of instruments.

What are the output options on the Ashdown HOD 600?

The Ashdown HOD 600 provides various output options, including 2 SpeakON connectors, 2 1/4" line and tuner outputs, an XLR DI output, and 3 1/4" slave outputs for flexible connectivity.