Song Rig

Eruption

Eddie Van Halen · Van Halen · 1978

Tone Overview

What Makes This Sound Unique

The solo that changed everything — Frankenstrat through a modified Marshall Plexi with a variac dropping voltage to 89V for a saggier, more compressed power amp. The two-hand tapping technique was almost unknown in mainstream rock before this recording.

Signal Chain

1Frankenstrat (home-built: Stratocaster body, PAF humbucker, no volume tone controls)
2Marshall Super Lead 100W (Plexi, modified)
3Variac (voltage reducer to 89V)
4Echoplex EP-3 (adds slight sag and warmth)

Amp Settings

Gain / Volume10

Bass7

Mid7

Treble8

Presence7

The variac-dropped voltage creates a specific power amp saturation character — the Marshall sags more aggressively than at full voltage, producing the compressed "brown sound." The Echoplex EP-3 used as a preamp before the Marshall adds slight warmth.

Technique

How to Play It

Two-hand tapping: the pick hand's index finger taps notes on the fretboard while the fret hand hammers-on and pulls-off. The 5-1-3 finger grouping creates triplet patterns across multiple strings.

Budget Alternative

Achievable With

Any humbucker guitar + Boss DS-1 or MXR EVH Phase 90 into a Marshall-voiced amp. The tapping technique requires practice; the gear is secondary to the hand technique.