Detail 01
3-band EQ plus 6-band graphic EQ
Provides broad Bass, Middle, and Treble controls alongside six additional frequency sliders.
Product detailSKU #1500000152743
AshdownGeezer Butler HOD-600 600W Head of Doom Bass Amp Head
metalheavy metal
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Independent shopping perspective
The Korena take
Built in the UK, the HOD-600 combines solid-state amplification, a 12AX7 preamp stage, and 600W RMS at 4 ohms. Its front panel is set up for hands-on rig control: separate VU meters track input and output, while the nine-band EQ, Shape control, and Sub-Harmonic generator provide extensive tone shaping. The Doom control adds drive at the valve stage and can be preset for footswitch engagement. With two speakON outputs plus line, tuner, DI, and slave connections, it suits involved bass amplification setups.
Strong match
Who this is for
- Stage rigs needing footswitchable EQ, sub-harmonic, and valve-drive changes during a set.
- Multiple-head arrangements driven from one source through the dedicated slave input.
Consider the trade-offs
When to look elsewhere
- Players who need a supplied footswitch; the optional 4-way footswitch is not included.
- Speaker loads below 4 ohms, as its 600W RMS rating is specified at 4 ohms.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Two front-panel VU meters
Separately displays input and output levels while setting gain and monitoring output.
Detail 03
2 x speakON speaker outputs
Offers two speakON connections for the speaker side of the rig.
Final check
Know before you order
- 01Plan for a speaker load appropriate to the 600W RMS-at-4-ohm rating.
- 02The 4-way footswitch is optional and sold separately.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Can the Doom drive be switched remotely?
Yes. The Doom control can be preset and engaged with a footswitch.
02What connections are available for direct and line signals?
It has one XLR DI output and two 1/4-inch line outputs labeled line and tuner.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsSound
- EQ
- 3-band EQ controls, 6-band graphic EQ
4 detailsPickups & controls
- Footswitch I O
- 1 x 1/4 inch, optional 4-way footswitch
- Footswitch Included
- No
- Preamp Tubes
- 1 x 12AX7
- Pickup Configuration
- Active
1 detailsPlayability
- Neck Shape
- D
1 detailsBody & build
- Country of Origin
- United Kingdom
9 detailsConnections & power
- Peak Power
- 100W
- Speaker Outputs
- 2 x speakON
- Slave Outputs
- 3 x 1/4 inch
- Instrument Input
- 1 x 1/4 inch, passive and active selectable
- Power Source
- Standard IEC AC cable
- Line Outputs
- 2 x 1/4 inch, line and tuner
- Line Inputs
- 2 x 1/4 inch, line and slave
- DI Output
- 1 x XLR
- Power Output
- 600W RMS at 4 Ohm
4 detailsSize & weight
- Height
- 5.51 inch
- Weight
- 23.14
- Depth
- 11.02 inch
- Width
- 16.9 inch
5 detailsOther
- Model
- Geezer Butler HOD-600 Head of Doom
- Number of Channels
- Single channel
- Product Type
- Bass amp head
- Cooling System
- 2 x internal fans, rear and side air vents
- Amp Type
- Solid state with tube preamp
