Headrush Help Logo
Tube Tremolo
Headrush Vib / Trem / Rotary

Tube Tremolo

Inspired by Revalver™ Original (Plug-in)

Emulation of vintage tube tremolo (60s Fender amp style) compared to standard Tremolo:

  • more heat
  • more organic
  • with analog saturation

GENERAL FUNCTION

Modulate the volume of the signal

He adds:

  • valve coloration
  • light compression
  • saturation

Result:

  • more musical tremolo
  • less “digital”

Control Parameters

SyncY/N
  • ON: sync to BPM
  • OFF: free control (Hz)

Influence Rate

RateHz / note value

Tremolo speed:

  • slow (0.5–2 Hz): ripple
  • medium (3–6 Hz): classic
  • fast (7–10 Hz): vibrant

In Sync:

  • 1/4 → slow
  • 1/8 → groove
  • 1/16 → fast
Depth%

Modulation intensity:

  • 0–20%: light
  • 30–60%: musical
  • 70–100%: strong

How much the volume fluctuates

Saturation%

Valve saturation amount:

  • 0–20%: clean
  • 30–60%: warm
  • 70–100%: Slightly distorted

He adds:

  • harmonics
  • natural compression

Pro Tips

  • High saturation → can color too much
  • High depth → loss of perceived volume
  • Fast rate → less musical
  • Sync ON → more controllable live

For vintage sound:

  • Medium saturation
  • Medium Depth
  • Average installments

Trick: put it on after the amp for realism

Quick Reference

  • Sync: sync tempo
  • Rate: speed
  • Depth: intensity
  • Saturation: tube color

Setup Examples

Vintage Tremolo (Fender)

Rate4–5 Hz
Depth40–50%
Saturation30–40%

Warm sound

Surf / blues

Ratemedium
Depth50–70%
Saturation20–30%

Classic tremolo

Ambient tremolo

Rateslow
Depth30–50%
Saturation40–60%

Hot movement

Dirty tremolo

Ratemedium
Depth60–80%
Saturation60–80%

Lo-fi effect