HeadRush Flex Prime settings
Back in Black settings for HeadRush Flex Prime
AC/DC · adapted 8 times on ToneAdapt
To get the AC/DC "Back in Black" riff tone on a HeadRush Flex Prime, use the Crunch amp model on the crunch channel, then set Drive 4, Master 7, Bass 4, Mid 7, Treble 5, Presence 5. Use the bridge pickup with your guitar's tone on 7-8 and volume on 8-9.
Riff settings
Adapted for a Fender Stratocaster · updated 2026-09-30
- Amp model
- Crunch
- Channel
- Crunch
- Cab
- 4x12 with Celestion speakers
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 7-8 · Volume 8-9
Amp block
- Drive
- 4
- Master
- 7
- Bass
- 4
- Mid
- 7
- Treble
- 5
- Presence
- 5
Effects chain
- 1overdriven/a
- 2reverbSpring ReverbMix 4 · Decay 3
Playing tips
- Use a strong pick attack to emphasize the percussive nature of the riff.
- Focus on palm muting the lower strings for a tighter sound.
- Experiment with finger dynamics to achieve a raw, uncompressed feel.
The original rig
What AC/DC used on the recording, for reference. ToneAdapt translates this to the controls your HeadRush Flex Prime actually has.
- Guitar
- Gibson SG Standard (1970s, likely '69-'73, stock humbuckers)
- Amp
- Marshall 1959 Super Lead 100-watt Plexi (1970s, 4-input, non-master volume, into Marshall 4x12 cabinet with Celestion G12M Greenback speakers)
- Gain
- 4
- Bass
- 4
- Mid
- 7.5
- Treble
- 4.5
- Presence
- 5.5
- Reverb
- 0
Different guitar or pedals? Get Back in Black adapted to your exact rig
These settings were generated for the gear named above. ToneAdapt adapts AC/DC's tone to your own guitar, pickups, amp and pedals in seconds.
Frequently asked questions
What amp model should I use on the HeadRush Flex Prime for Back in Black?
Use the Crunch (crunch channel) with Drive 4, Master 7, Bass 4, Mid 7, Treble 5, Presence 5, followed by n/a, Spring Reverb.
Which pickup should I use for Back in Black?
Bridge pickup, with the guitar's tone at 7-8 and volume at 8-9.
What gear did AC/DC use on Back in Black?
Guitar: Gibson SG Standard (1970s, likely '69-'73, stock humbuckers). Amp: Marshall 1959 Super Lead 100-watt Plexi (1970s, 4-input, non-master volume, into Marshall 4x12 cabinet with Celestion G12M Greenback speakers).
Will these settings work with my guitar?
These settings were adapted for a Fender Stratocaster. Different pickups change how much gain and treble you need. ToneAdapt adapts the tone to your exact guitar, pickups, amp and pedals.
Back in Black on other amps
- Back in Black on Fender Mustang LT25 · 295
- Back in Black on Boss Katana · 287
- Back in Black on Line 6 Helix Floor / LT / Rack · 157
- Back in Black on Fender Frontman 10G · 143
- Back in Black on Boss GT-1000 · 107
- Back in Black on Fender Champion 20 · 79
- Back in Black on Fender Tone Master Pro · 75
- Back in Black on Positive Grid Spark · 66
Popular songs on the HeadRush Flex Prime
- Master of Puppets · Metallica
- Walk · Pantera
- Enter Sandman · Metallica
- Sweet Child O' Mine · Guns N' Roses
- Holy Wars · Megadeth
- Welcome to the Jungle · Guns N' Roses
- Raining Blood · Slayer
- Iron Man · Black Sabbath
- Hotel California · Eagles
- Layla · Derek and the Dominos
- Pride and Joy · Stevie Ray Vaughan
- Rooster · Alice in Chains
Settings are generated by ToneAdapt's tone adaptation for the gear named on this page and are a starting point — every amp, guitar and room is a little different.