Peavey 5150 Settings Guide

For Heavy Metal: Pre-Gain 7/10, Post-Gain 6/10, Bass 5/10, Mid 4/10, Treble 5/10, Resonance 4/10, Presence 5/10. Classic 5150 metal setup — high Pre-Gain on the Lead channel for full saturation, moderate Mids for the scooped character, tight Bass and Resonance for the punchy low-end. The 5150 does not require pedals for metal — the amp alone covers the full gain requirement. A noise gate in the effects loop is essential for controlling the noise floor at these gain levels.

For Hard Rock: Pre-Gain 5/10, Post-Gain 5/10, Bass 5/10, Mid 6/10, Treble 5/10, Resonance 4/10, Presence 5/10. Rhythm channel or moderate Lead channel gain — less Pre-Gain gives note definition and articulation for rhythm playing. Mid forward (6) for better mix presence in a band context where the scooped character can disappear. EVH's "Brown Sound" uses the Rhythm channel on the original 5150 rather than the Lead channel's more aggressive saturation.

Pre-Gain: Preamp gain on both channels — the Rhythm channel (green) has less pre-gain range for crunch tones; the Lead channel (red) reaches extreme saturation at high settings. (Clean to Saturated). Post-Gain: Power amp volume control — on the 5150, increasing Post-Gain tightens the low-end response and increases output. Not the same as a master volume: it affects the power amp character, not just the output level. (Soft to Tight). Bass: Low-frequency content — the 5150's tight low-end is partly defined by keeping Bass at moderate (5) levels. High Bass settings can lose the tight character and produce a flabby bottom. (Thin to Warm). Mid: Midrange character — many 5150 metal players scoop the mids (below 5) for the scooped American metal character; others push mids forward (6–7) for cut-through in a live mix. (Scooped to Forward). Treble: High-frequency content — moderate Treble (5–6) for most metal applications; higher settings add harshness at maximum gain. (Dark to Bright). Resonance: Power amp resonance control — enhances the low-end response of the power amp. At higher settings adds thickness and warmth; at lower settings the amp sounds tighter and more controlled. (Flat to Enhanced). Presence: Power amp treble resonance — adds edge and cut to the overall sound. Higher presence increases upper-harmonic articulation on pick attacks. (Smooth to Bright)

The 5150 has two distinct channels: Rhythm (green LED) and Lead (red LED). The Rhythm channel has lower gain ceiling and is brighter; the Lead channel is the primary high-gain channel. Many players use the Rhythm channel for all guitar sounds by adjusting volume on the guitar rather than channel-switching. The Resonance and Presence controls are power amp controls, not preamp tone controls — they function differently from Bass and Treble. Resonance at 3 is tighter; Resonance at 7 is warmer. Set Presence last, after the Bass/Mid/Treble are dialled in. High-gain amps generate significant noise — a noise gate (Boss NS-2, MXR Smart Gate) in the effects loop is not optional at maximum gain settings. Place it in the loop rather than in front of the amp for more accurate noise detection. Speaker cabinet makes a dramatic difference on the 5150 — the amp into a 4x12 with Celestion Vintage 30s produces a different character from the same amp into a Marshall-loaded 4x12. The 5150 was designed with EVH's specific 4x12 speaker setup; adjust Presence and Resonance when changing cabinets. The EVH 5150III (the successor made after Van Halen left Peavey) has a refined circuit with a third channel and modern features. Most players consider the original Peavey 5150 the more tonally interesting amp; the EVH 5150III is more user-friendly with modern voicing.

Eddie Van Halen settings: Pre-Gain 7/10, Post-Gain 7/10, Bass 5/10, Mid 5/10, Treble 6/10, Resonance 5/10, Presence 6/10. Van Halen designed the 5150 around his personal tone preferences — the Rhythm channel crunch and Lead channel saturation both reflect his playing approach. His studio use included additional compression (MXR Dyna Comp) and the characteristic two-handed tapping technique that the 5150's sustained, harmonically complex high-gain tone supports exceptionally well. Post-Gain high for power amp contribution to the character.