The Seymour Duncan Mark Holcomb Dark Sun is a delay and reverb pedal made by Seymour Duncan with Periphery guitarist Mark Holcomb. Seymour Duncan describes it as merging a warm digital delay with a hall reverb, drawing on Holcomb's favorite sounds from the company's Andromeda and Silver Lake pedals. It was announced as available in March 2019 at $3691.
Routing and stereo use
The pedal's Routing Control switch features four ways to route the effects1. Each effect can be routed to left or right outputs, which Seymour Duncan says allows for use in stereo or as two separate pedals1. For a player, that means the delay and the reverb do not have to live in the same place in a chain: one can go before a drive section and the other after, or both can feed a stereo rig.
Tempo, MIDI and extra controls
The Dark Sun is a delay and reverb pedal, and Seymour Duncan has given it a Routing Control switch that features four ways to route the effects1. That switch is the pedal's named control beyond the two core effects themselves, letting players choose how the delay and reverb are ordered and combined in the signal path1.
Videos
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Questions
Can the Seymour Duncan Dark Sun run in stereo?
Yes. Each effect, the delay and the reverb, can be routed to the left or right outputs, so the pedal can run in stereo or act as two separate pedals, one handling delay and the other reverb. A Routing Control switch offers four ways to route the effects.
Can the Dark Sun be used as two separate pedals?
Yes. Because each effect can be routed to its own left or right output, Seymour Duncan describes the Dark Sun as usable in stereo or as two separate pedals, letting you place the delay and reverb in different parts of a signal chain.
Does the Dark Sun have tap tempo?
Yes. The Dark Sun has a tap tempo footswitch with four adjustable tap divisions. Tempo can also be set via MIDI and is displayed either in milliseconds or in beats per minute.
Can you set the Dark Sun's tempo with MIDI?
Yes. Alongside the tap tempo footswitch, the Dark Sun's tempo can be set via MIDI, with the tempo shown in milliseconds or beats per minute.
What does the Dark Sun cost?
At its March 2019 launch, the Seymour Duncan Mark Holcomb Dark Sun Delay/Reverb pedal was available for $369.
Does the Dark Sun have chorus and saturation?
Yes. Seymour Duncan says users can shape the effects' EQ, add saturation and chorus, or use the company's Dynamic Expression to control the mix.
Sources (1)
- Seymour Duncan Unveils New Mark Holcomb Dark Sun Delay/Reverb Pedal, Guitar World, 2019-03-22










