CNZ Audio

VTR-20 | Tremolo Pedal


One of the Earliest Modulation Effects; The Tremolo.

Unlike many other modulation effects, the Tremolo is made to modulate the amplitude of your signal rather than combine it with altered copies of itself. Imagining the sound an oscillating speaker gives to an electric organ, the VTR-20 Vintage Tremolo gives you control over Tremolo Depth (range of tremolo effect), Speed (how quick each tremolo cycle is), and Bias. It's best to think of the Bias adjustment as the "shaping" adjustment to the tremolo effect. With the VTR-20, you can throwback to the classic surf-guitar sounds of the 60's or add a gentle tremolo to enhance the sonic signature of your tone. It's up to you!


  • Analog Tremolo Effects with Classic Tones
  • True Bypass Provides Transparent Tone in Off Setting
  • Depth Adjustment the Intensity of the Tremolo Effect
  • Bias Knob Controls the Overall Signal Shaping
  • Speed Control Adjusts  the Tempo of the Tremolo
  • Weighted Knobs with Clear Indicators & Red LED
  • Solid Aluminum Housing with Firm Foot Switch


  • Dimensions: 3.75 L x 1.77 W x 1.9H Inches
  • 9VDC Input (- center, + outside), 10 mA
  • 470K Ohms Input Impedance
  • 470 Ohms Output Impedance
  • .53 lbs (including box)
  • Solid Aluminum Housing on All Sides
  • 1/4 Inch Input and Output Connectors


    Detailed Operation

    The Analog Tremolo Guitar Effects Pedal from CNZ Audio brings back the classic tones of yesteryear with plenty of control on your tone and a classic design. The broad range and precise control on Tremolo control makes this a classic pedal for experienced musicians, while the simple design provides a beginner with the ability to develop their own feel!

    Using the Depth knob you can control the intensity of the tremolo effect. If you want the effect to be very noticeable and present, turn it clockwise, if you want it to be subtle, turn it counterclockwise. Both ends are great for different effects.

    The Bias knob will allow you to adjust the overall signal of the tremolo effect. Turning clockwise will increase sound and effect while counterclockwise will decrease the overall effect to more of a subtle tone enhancement.

    The Speed knob will adjust the tempo and speed of the tremolo. At full speed, the effect is so fast it’s hard to make out distinct tremoloes, while at low speeds, it adds a soft, warm feel. The speed dynamics make this pedal capable of huge tremolo effects for a broad range of playing styles.

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