
DSP Rig
John Sykes Tone — Plugins & Amp Sims
Modified Gibson Les Paul with PAF-style humbuckers (often a single-cut Les Paul Standard with DiMarzio Super Distortion in the bridge) into a cranked Marshall JCM800. The tone is thick, sustained and heavily mid-forward — the overdriven Marshall provides the saturation while the Les Paul provides the warmth and compression. Sykes often boosted with a Boss SD-1 or MXR Distortion+ to further saturate the front end.
John Sykes's signature high-gain tone — built around Marshall voicings — can be replicated in the box using modern amp sim plugins and IR cab loaders. This page maps the full DSP signal chain: guitar sim → amp sim → FX → IR, so you can dial in that sustained, creamy character without physical gear.
Full DSP Chain
Est. £3,227Gibson Les Paul Custom
$3,809
Archetype: Soldano
≈ Marshall JCM800
$253
Helix: Double Tank Reverb
Helix: Transistor Tape Delay
York Audio V30 Mix Pack (IR)
≈ Celestion Vintage 30 4×12
$37
Hybrid Option
Est. £3,227Real guitar into a DSP amp chain — best of both worlds.
Gibson Les Paul Custom
$3,809
Archetype: Soldano
≈ Marshall JCM800
$253
Helix: Double Tank Reverb
Helix: Transistor Tape Delay
York Audio V30 Mix Pack (IR)
≈ Celestion Vintage 30 4×12
$37
Tone DNA
Gain Structure
high-gain
Amp References
Marshall
Key FX
Delay, Reverb
Tonal Character
sustained, creamy, powerful, british-metal
Where to Buy
Browse amp sims, IRs and FX plugins at these retailers: