MXR M81 Bass Preamp

MXR M81 Bass Preamp
Product no: 9000-0008-0918 Bax Music Warranty: This product comes with a 3-year warranty.

General

The MXR M81 Bass Preamp is both a studio-grad DI and a preamp in a single compact stomp box. Thanks to its compact design, it takes up less space on your pedal board than its big brother, the M80 Bass DI+. Contrary to the M80, this pedal does not offer a distortion effect. Instead, it focuses on high-end clean bass sounds. Gain full control over the sound of your bass guitar with the MXR M81 Bass Preamp.

Versatile EQ of the MXR M81 Bass Preamp.

Thanks to an adjustable input and output gain, the MXR M81 can be used for both active and passive bass guitars. It has an extremely detailed and articulate 3-band EQ that consists of bass, mid and treble controls. Additionally, you can sweep the mid frequency from 250 Hz to 1 kHz, so you can minutely tweak your sound down to the smallest detail. The MXR M81 Bass Preamp is a straightforward control with the versatility of a parametric EQ.

Adjustable DI output

In addition to a standard 6.3mm jack output, the MXR M81 is equipped with a DI output via XLR, which means you can connect the pedal directly to your bass amplifier while simultaneously sending the signal to a mixer or PA system. Two small buttons allow you to apply ground lift to the DI output, or send it as a pre or post EQ signal.

Tips or comments about this product

Please note: battery or adapter are not included!

Specifications

Product features

Adapter included	no
Centre positive/negative	centre negative
Sustainable product	not specified
Guitar preamp functions	boost / gain / level, DI, ground lift
Mini pedal	no
True bypass	yes
Power supply plug	barrel 2.1 mm (inner diameter)
Type of tone control	hi + lo shelf + mid band
Can be powered by battery	yes
Voltage	9 V

Weight and dimensions including packaging

Weight (incl. packaging)	600 gr
Dimensions (incl. packaging)	14,0 x 12,0 x 7,0 cm

Product specifications

studio-grade DI/preamp
specially designed for electric bass guitars
made for a clean bass sound
extremely detailed and articulate EQ/DI in compact stompbox package
separate input and output gain controls
3-band EQ (bass, mid, treble) with sweepable mids
mids adjustable from 250 Hz to 1 kHz
DI output with ground lift and pre/post EQ
Constant Headroom Technology for a clean, crystal-clear tone
input impedance: 2.2 mOhms
1/4-inch output impedance: 300 ohms, 40 Hz
XLR output impedance: 120 ohms, 40 Hz
maximum output level: +22 dBV
self noise: -98 dBV
THD: 0.025%, 1 kHz
bass: +/- 18 dB @ 40 Hz
mid: +/- 17 dB, 250 Hz to 1 kHz
treble: +/- 18 dB, 4 Hz
output: Post EQ, +20 dB, -50 dB
Bypass: True, Hardwire, Buffer
power supply: 9V battery or optional 9V DC adapter (both separately available) or phantom power via XLR
power consumption: 8.25 mA
phantom power: 4.7 mA
high-quality components and rugged MXR quality
colour: olive green
dimensions (W x D x H): 2.3 x 4.3 x 1.2 inches (60 x 111 x 32 mm)

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