The MXR Thump Bass Preamp is a compact powerhouse designed to enhance your bass tone with rich, warm character and versatile EQ controls. Inspired by the legendary Echoplex Preamp circuitry, the Thump offers a carefully balanced EQ profile that conditions your signal for optimal performance.
Its intuitive interface includes Treble and Bass knobs that cut or boost frequencies at 4 kHz and 40 Hz respectively, while the Mid knob, adjustable via the Frequency control, allows you to target midrange frequencies between 250 Hz and 1 kHz.
Specs: * Input Impedance: 1 MΩ​ * Output Impedance: 100 Ω​ * Bass Control: ±15 dBV at 40 Hz​ * Mid Control: ±16 dBV, adjustable from 250 Hz to 1 kHz​ * Treble Control: ±10 dBV at 4 kHz​ * Noise Floor: -95 dBV​ * Bypass: True Hardwire​ * Current Draw: 9 mA​ * Power Supply: 9 volts DC
Product Specs
- Item Number: 36631
- Make: MXR
- Model: Thump
- Condition: Excellent
- Finish: Green
- Categories: effects-and-pedals ⇒ preamps ⇒ pedal
- Function: Bass PreAmp Equalizer
- Made In: United States
- MPN: 36631
- Modular Grid: Pedals ⓘ ＋
- Dimensions*: 41 mm wide 92 mm high
- Power*: 9 mA / 9 V DC / Negative Center
* User contributed details