Your source for Marshall and Soldano SLO mods!
Ground Zero Ampworks. Boutique amps. Mods. Tone.
Hellion 100 V2 100w Single channel
A sonic powerhouse, the Hellion 100 V2 is the Ground Zero, Inc. flagship model.
Hellion is the culmination of years of research and design, resulting in the most versatile single-channel amp available. From clean, to blues, to rock, to metal.
100 watts, selectable between 3 and 4 gain stages.
Soldano SLO 100 and SLO 30
Late model Soldano mods.
Taking the legendary SLO circuit to a new, modern level. While still maintaining the signature harmonic richness and punch...
Not a "metal only" mod, by any means. Care was taken to retain the Soldano DNA while making the amp tighter, more dynamic, and greatly increasing clarity.
Marshall M.O.A.B and M.O.A.B.+ Modifications
Marshall M.O.A.B and M.O.A.B.+ Modifications
The original Ground Zero high gain Jose-style M.O.A.B. (Mother of All Bombs) mod. Used on stage, in studios and at home for the ultimate modded Marshall experience with unparalleled versatility.
Serious hot-rodded Marshall DNA. A wide range of gain styles, from rock and blues to all-out high gain riffs and leads.
Add-a-Stage and Add-a-Clean PCB's
Ground Zero "Add-a-Stage" tube gain stage PCB
The best, easiest, cleanest and quietest way to add an extra tube gain stage to your amp! Containing a full extra tube circuit, filtering node AND a switching relay to add or remove the stage on demand.
Unlike other added gain stage devices, Add-a-stage can be fully customized and tuned for your amp. A DIY dream come true!
Ground Zero "Add-a-Clean" clean channel PCB
The fastest, cleanest, quietest and BEST way to add a complete clean channel preamp to your existing amplifier. Compact and able to fit in tight spaces.
The Add-a-Clean includes a main preamp PCB, as well as a separate PCB containing the tone stack and pots.
You get a FULL EQ. Bass, middle and treble controls. As well as provisions for a 3 way bright switch.
Built-in B+ filtering and built-in 12vdc relay switching. Switch between clean and gain channels with ease.
Click on the photo for more info....
More PCB's...
Recom 12vdc power supply PCB's
Mounting PCB's for the Recom RAC20-12SK. Also available for the larger Recom RACM30-12SK.
Minimalist design for tight spaces. And a status-on LED provision. The LED is powered by 12vdc from the unit itself.
Omron G5V-2-H1 relay PCB's
Relay boards for the 12vdc Omron G5V-2-H1 relay. Small and compact for the smallest of mounting spaces.