The Yamaha DG-STOMP is a digital guitar preamp and effects unit that takes the amplifier modeling of Yamaha's DG series of digital guitar amplifiers and packs it into a compact stompbox format1. It sits in the preamp and multi-effects territory: rather than one effect, it gives a player a modeled amp front end and effects in a pedal that can sit on a board or feed a power amp or PA.
What it does
The DG-STOMP's core feature set centers on amp modeling. Yamaha equipped it with eight types of amp simulators, covering a range of amplifier voicings in one box1. Alongside the amp models, it includes a speaker simulator that allows a choice of speaker size and number of units, so the modeled cabinet character can be adjusted to suit how the pedal is being used, whether into a guitar amp's return, a power amp, or a recording setup1.
That combination of amp simulation plus adjustable speaker simulation makes it a self-contained preamp solution: a player can replace a traditional amplifier's front end entirely, in the same way a dedicated speaker simulation pedal or amp-modeling unit would, while keeping the footprint of a stompbox1.
Circuit and documentation
The DG-STOMP is a digital design, consistent with its origin in Yamaha's DG series of digital amplifiers1. A German-language manual for the pedal is available from Yamaha1.
The DG-STOMP is a long-discontinued pedal from Yamaha's DG amplifier era, so it is found secondhand rather than in current retail lines.
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Sources (1)
- DG-STOMP by Yamaha, RockBoard PedalPedia, 2026