T-Rex Engineering Tremster Classic Tremolo Pedal

T-Rex Engineering
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About T-Rex Engineering

The T-Rex Tremster Classic Tremolo Pedal designed to create vintage tube-amp tremolo, the Tremster uses a light-dependent resistor (LDR) to achieve its deep, buttery and seductive sound. A flashing LED displays the current speed and permits a wide range from very slow to seizure-inducing head spinning. With the Mode knob in the normal position, the Tremster has an aggressive, sine-wave type effect. Depress the mode button and the effect is less aggressive with a square-wave quality. The volume knob delivers 3dB boost in maximum position.

T-Rex Engineering Features

  • Vintage tube-amp tremolo
  • Handcrafted in Denmark
  • 9V battery operation

T-Rex Engineering Specifications

Input Impedance@1KHz
390 KOhm
Output Impedance@1KHZ
1,2 Ohm
Power supply
9V DC (Power tool 9)
Minimum Power supply Voltage
Maximum Power supply Voltage
12,5V DC
Current Draw @ 9V DC
7 mA
Maximum Input signal Vp/p
Battery Type
9 V battery 6F22
Battery Life
12 to 16 Hour
External connectors
Input Jack, Output Jack, 9V DC Jack
On/Off, Volume, Speed, Depth, Mode
Dimensions (D x W x H)
120 x 100 x 55 mm (4.7 x 3.9 x 2.2 in)
0.410 kg (0.90 lbs) (excl. battery)
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