Bring the doom with this stage-ready head built to the specs of Geezer Butler.
Introducing the Ashdown "Head of Doom" Geezer Butler Signature Bass Amp Head. Hand built in the UK, the Head of Doom was designed around Geezer Butler’s very requirements.
The Ashdown and Geezer Butler story began three years ago after extensive talks with Geezer’s long standing tech, Terry Welty. Black Sabbath’s "The End" farewell tour was approaching and Geezer was extremely specific about his bass sound for the band’s departing tour. Ashdown designed a rig for Geezer to leave a bold statement with, encapsulating a music career spanning 50 years into one sound to remember the almighty Black Sabbath by.
The Head of Doom is for bass players who seek classic, driven bass tones with phenomenal power. Stripped back, the Head of Doom is built on Ashdown’s flagship ABM range; offering tried and tested tone and rock-solid reliability.
The Head of Doom has a deadly power section rated at 600 Watts RMS with two Neutrik speakon outputs. The power section has a minimum load of 4 ohms. The slave input on the rear is designed to be fed by the transformer-isolated outputs if running multiple heads from one input source. More heads - more doom!
From the top, the Head of Doom features a single instrument input linked to a passive/active selector switch. The passive input option (switch out) is high sensitivity and high impedance to suit the output from passive basses.
Dual VU Visual Monitoring
Perhaps the most obvious feature on the Head of Doom is its twin set of VU meters - the first Ashdown amplifier head of its kind. Not only does the head look like a daemon on stage, the second VU meter allows for output level visual monitoring. Now bass players can find the sweet spot for their instrument via the familiar input level VU. From there the player can tweak their tone via an experienced 9-band EQ and use the shape control to further sculpt their tone, all the while monitoring the output level at the same time via the second VU.
The "Doom" control increases the current to the amp’s 12AX7 pre-amp valve stage, like voltage through an electric chair, resulting in the richest harmonic distortion designed specifically for bass guitar. Used in conjunction with the amps impressive EQ section, there isn’t much this amp can’t deliver.
The Doom level control can be pre-set and kicked in and out via footswitch.
The Head of Doom features a sophisticated 9-band EQ, with familiar Bass, Middle & Treble controls and six sliders allowing precision cut and boost in the regions the standard controls can't reach, providing a huge range of tonal variation and the tailring of the perfect tone.
The EQ can be switched in via footswitch taking the player from a flat fretless sound to their favourite EQ setting instantly.
Once heard – never forgotten. The Sub-Harmonic generator adds an octave below the notes being played bringing fullness to any bass part. The Sub level is independently controllable, thickening the sound and providing more Doom to your tone as required.
Sub Harmonics are also controllable via footswitch.
The Head of Doom is loaded with connectivity. A tuner output, line out, transparent FX loop and a line input for the connection of an external sampler or sound source. Output muting cuts the signal from the DI output but leaves the tuner output 'live', allowing the player to tune up in silence. The Head of Doom's ins and outs continue even further, as mentioned earlier, with three dedicated transformer isolated outputs with the option to slave from the dedicated slave input.
- Power Output: 600W RMS into 4 ohms.
- Tubes: one 12AX7 (preamp)
- Controls: Input level, output level, 9-band EQ, EQ switch, Doom, subs, pre/post DI switch, mute switch, passive/active switch
- Power requirement: 115 - 230 Volts
- Speaker outputs: 2 x Neutrik Jack/Speakon outputs
- Frequency response: -3dB an 17Hz and 22kHz
- High instrument input impedance: 3.9m Ohm / Input range 50mV to 15V p-p
- Low instrument input impedance: 10k ohms / Input range Input range 300mV to 30V p-p
- Line input impedance: 22k Ohms / Input level 0dBu nominal
- Line output impedance: 10K Ohms / Level 0dBu nominal
- DI output: 600 Ohms balanced / Level -20dBu nominal With Ground Lift
- Tuner output impedance: 22k Ohms, level 0dBu nominal
- Impedance minimum: 4 Ohms
- Effects send impedance: 22K Ohms / Level 0dBu nominal
- Dimensions: 5 x 16.9 x 10.9 in. (127 x 431 x 279 mm)
- Weight: 31lbs / 14kg
All payments are processed securely by Paypal , offering both buyer and seller protection. Online orders are confirmed in stock and ready to ship before Paypal payment is completed. orders ship FEDEX and will require signature upon delivery. Orders are typically delivered within 4-5 business days following dispatch. Fedex tracking details are provided for all orders.
All imported musical instruments into Singapore are not subject to duty. Generally, all goods imported into Singapore are subject to GST whether they are dutiable or not. GST is calculated on the CIF value plus the duty payable (if any) at the point of importation (Based on the total price of ). Products of a total value not exceeding SGD 400 on the CIF value may be imported without payment of duty and/or GST.
Customs import tax/duty rate chart based on previous imports into Singapore (3%)
|Order Value||Tax (Approx)||Delivered|
|SGD S$200||SGD S$0||SGD S$0|
|SGD S$500||SGD S$15||SGD S$515|
|SGD S$1000||SGD S$30||SGD S$1030|
|SGD S$3000||SGD S$90||SGD S$3090|
|SGD S$6000||SGD S$180||SGD S$6180|
- Buy products with confidence.
- We ship to all major regions in Singapore.
- Return to base repair or replacement (1 Year return to base).
- Please contact us for detailed information about our terms , conditions and warranty.
AudioBuy Singapore ship all stocked orders Monday to Friday. All online orders are carefully packed and insured before dispatch. Our customers are very important to us and we will work with you until final delivery to ensure you're completely satisfied.
|Condition||Sealed / New|
|Delivered Price||Shown at checkout|
Look no further than AudioBuy when buying gear online in Singapore , always at the lowest price with free shipping to all locations serviced by FEDEX. Please contact us for stock availability , price quotes , expedited shipping quotes or to arrange a return of your (for the full purchase price of ). You may return most new, unopened items within 30 days of delivery for a full refund. AudioBuy Singapore are very proud to carry a large selection of gear. You demand quality, reliability, and innovative design from your gear, and we're here to help you find exactly what you need. We're glad to answer any questions you have and you can always depend on AudioBuy Singapore to give you the best possible value on musical instruments and accessories with responsive customer service.