67 Black Shimmer
Headrush Amplifiers

67 Black Shimmer

Inspired by Fender Dual Showman

The model 67 Black Shimmer is an amplifier inspired by the vintage high-gain and shimmer styles, designed to offer:

  • Powerful, brilliant sound with controlled dynamics
  • Perfect for classic rock, blues, jazz and fusion
  • Precise response to the touch of the guitar and modulated via pedals or guitar volume

Includes EQ, Gain, Presence, Tremolo and Output controls, to shape sound, brilliance and depth.

BluesRockHard RockHeavy MetalJazzBassFusion

Controls

Treble

Control the high frequencies:

  • Low → softer sound
  • High → bright and punchy
  • Adjust to match the tone to the pickup and mix
Middle

Controls mid frequencies:

  • Low → scooped sound
  • High → fuller and more present
  • Affects punch and presence in the mix
Bass

Control the low frequencies:

  • Low → more defined and tight
  • High → full and full-bodied
  • Ideal for 35–55% for a balanced sound
Presence

Controls the final brilliance and definition of the high frequencies:

  • Low → soft sound
  • High → brighter and sharper Modulates presence and attack in the mix
Gain

Controls the saturation and crunch of the preamp:

  • Low → clean / light crunch
  • High → overdrive and strong saturation
  • Interacts with EQ → more gain = more natural compression
Sync
  • Y → sync tremolo to preset
  • BPMN → free speed adjusted in Hz
Speed

Tremolo speed in cycles per second:

  • 0.5–1 Hz → slow and smooth
  • 1–3 Hz → classic
  • 3–6 Hz → fast and rhythmic
  • If
  • Sync
  • ON → Speed ​​automatically adapts to the preset tempo
Depth

Depth of the tremolo effect:

  • Low → light effect
  • High → strong and pulsating tremolo
Tremolo

Enable or disable the tremolo effect:

  • Y → tremolo active
  • N → tremolo bypassed
Output Level

Controls the final volume of the amplifier:

  • Negative → attenuation 0 d
  • B → neutral level
  • Positive → boost of the final signal Does not alter the timbre, only the overall level

Pro Tips

BEHAVIOR OF THE AMPLIFIER

  • Powerful, brilliant sound with controlled breakup
  • Dynamic response to guitar touch and volume
  • EQ + Gain → define body, brightness and saturation
  • Adjustable tremolo for vintage or modern effect
  • Output Level → balances the overall volume of the effect chain

Final advice:

  • EQ + Gain → modulate body, brightness and saturation
  • Light tremolo + medium Speed ​​→ vintage shimmer sound
  • Output Level → balances the sound with other blocks/pedals

Setup Examples

Clean vintage

Treble50%
Middle45%
Bass40%
Presence50%
Gain40%
Speed1 Hz
Depth25%
TremoloY
SyncN
Output Level0dB

Blues/shimmer tremolo

Treble55%
Middle50%
Bass45%
Presence55%
Gain50%
Speed1.5–2 Hz
Depth35%
TremoloY
SyncN
Output Level+1 dB

Rock / bright tremolo

Treble60%
Middle50%
Bass45%
Presence60%
Gain60%
Speed3 Hz
Depth50%
TremoloY
SyncY
Output Level+2 dB

Eric Clapton – “Clean Shimmer Blues”

Treble50%
Middle45%
Bass40%
Presence50%
Gain40%
Speed1 Hz
Depth25%
TremoloY
SyncN
Output Level0dB

Description: Clean, bright sound with light tremolo, perfect for classic blues and dynamic licks.

Gary Moore – “Blues Lead Shimmer”

Treble55%
Middle50%
Bass45%
Presence55%
Gain50%
Speed1.5–2 Hz
Depth35%
TremoloY
SyncN
Output Level+1 dB

Description: Moderate overdrive with pronounced shimmer, ideal for blues rock solos with controlled sustain.

Jeff Beck – “Rock Shimmer Vibrato”

Treble60%
Middle50%
Bass45%
Presence60%
Gain60%
Speed3 Hz
Depth50%
TremoloY
SyncY
Output Level+2 dB

Description: Aggressive and bright sound, tempo-synced tremolo, perfect for rhythm licks and modern rock leads.