T.N.T amp settings — Stagg 20 GA DSP

The AC/DC guitar tone for “T.N.T”, dialed in for a Stagg 20 GA DSP with a Yamaha Erg 121. Studio version, T.N.T. album (1975, Australian release) / High Voltage (1976, international)

Original rig

Gibson SG with humbuckers → Marshall 1959 Plexi Super Lead 100W, channels jumped, cranked for natural power tube saturation

Crunchy, mid-forward classic rock with punchy attack and minimal sustain — not heavily distorted, just overdriven

Amp settings — Stagg 20 GA DSP

CHANNELOverdrive/Crunch channel (if available) or highest gain clean channel

Knob	Setting (0–10)
Gain	5
Bass	4
Mid	8
Treble	5
Presence	6
Reverb	0
Master	6

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Guitar

PICKUPbridge TONE8 VOLUME6

Why these settings

The Stagg 20 GA DSP is a solid-state practice amp with digital modeling — it lacks the natural tube compression and harmonic saturation of a cranked Plexi. Compensate by pushing mids to 8 (Angus's tone is extremely mid-forward, around 2-3kHz bark), keeping bass tight at 4 to avoid flub from the small speaker, and using moderate gain — solid-state distortion gets fizzy fast, so stay conservative. Roll your guitar volume to 6 for rhythm parts to clean up the attack, then full up for leads.

PRO TIPAngus's secret weapon is his right hand — he picks hard and directly over the bridge pickup with a stiff pick for that aggressive snap. Dig in hard on downstrokes for the main riff; the percussive attack is half the tone.

Get this tone on your amp

These settings are for a Stagg 20 GA DSP. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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Song, artist and gear names are used to identify the tone being matched; ToneAdapt is not affiliated with or endorsed by the artists or manufacturers mentioned. Settings are AI-generated starting points — trust your ears.