MXR M281 Thump Bass Preamp – Open Box

Description

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MXR M281 Thump Bass Preamp – Open Box
Mini Bass Preamp Pedal
– Used –
Description
This pedal combines the tone-sweetening magic of the Echoplex Preamp with a three-band EQ and midrange frequency adjustment so that you can dial in the perfect bass tone to punch up a solo, boost your signal in a live mix, sculpt more edge into the sound of a passive bass, and more.
The long story.
The MXR Thump Bass Preamp is a tone-sweetening, signal-boosting, and altogether groove-enhancing machine. This pedal was conceived when the MXR design team and our in-house bass players discovered that the Echoplex Preamp’s sonic secret sauce made for just as delectable a pairing with bass as it does with guitar. Using that circuitry as a foundation, the MXR team added a simple yet potent tone-shaping interface so that you can dial in the perfect bass sound for the stage and the studio.
Crafting the sound you need is easy. The Echoplex Preamp circuit conditions your signal with a carefully balanced EQ profile, and this pedal’s tone controls let you take it from there. The Treble and Bass knobs cut or boost frequencies at 8 kHz and 40 Hz respectively, while the Mid knob cuts or boosts the midrange as set by the Frequency knob, from 250 Hz to 1 kHz. This range of frequencies was selected to give players maximum flexibility and minimal fuss when refining their bass signal.
Whether you need to punch up a solo, boost your signal in a live mix, or sculpt more edge into the sound of a passive bass, the Thump Bass Preamp packs incredible versatility into an MXR mini housing.
Thump Bass Preamp
This pedal combines the tone-sweetening magic of the Echoplex Preamp with a three-band EQ and midrange frequency adjustment so that you can dial in the perfect bass tone. Whether you need to punch up a solo, boost your signal in a live mix, or sculpt more edge into the sound of a passive bass, the Thump Bass Preamp packs incredible versatility into an MXR mini housing.
Power
The Thump Bass Preamp is powered by the Dunlop ECB003 9-volt adapter or the DC Brick, Iso-Brick, and Mini Iso-Brick power supplies. This pedal cannot be powered by a battery.
Features/Specs
Output knob sets output level of effect
Treble knob boosts or cuts high end frequencies at 8 khz
Mid knob boosts or cuts midrange as set by frequency knob
Bass knob boosts or cuts bass frequencies at 40 hz
Frequency knob sets midrange frequency from 250 hz to 1 khz
Footswitch toggles effect on/bypass (blue LED indicates on)
Impedance
Input Impedance : 1 MΩ
Output Impedance : 100 Ω
Tone Controls
Bass : + 15/-7 dBV, 60 Hz
Mid : ±16 dBV, 1 kHz
Treb : ±10 dBV, 4 kHz
Freq Sweep : 250 Hz to 1 kHz
Noise Floor : -95 dBV
Bypass : True Hardwire
Current Draw : 9 mA
Power Supply : 9 Volts DC
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