The Bass Preamp combines a pristine bass preamp with a studio-quality Direct Out so you can adjust your sound to any live or recording scenario.
The MXR Bass Preamp combines a pristine bass preamp with a studio-quality Direct Out in a Phase 90-sized box, providing clear tone without hogging precious pedalboard space. Use it to add a new voice to an old passive bass, sweeten up any amp, or put some special sauce on a particular song. Dial it in just the way you want it and send it straight to the house-pre or post-EQ-with the built-in Direct Out.
The Bass Preamp features separate Input and Output level controls and a 3-band EQ section with sweepable midrange-from 250hz to 1khz-for extensive tonal flexibility. It's all delivered super clean with high headroom thanks to our own Constant Headroom Technology™ , and you can use the PRE/POST EQ switch to set whether or not your Direct Out signal is affected by the Bass Preamp's EQ section. And of course, the Bass Preamp features a GROUND LIFT switch in case you encounter ground loop hum.
The Bass Preamp is factory preset to operate in ¼"" out buffered bypass and Direct Out active. For players who only want to use the ¼"" out, there are two internal switches that disable the Direct Out and ¼"" out buffered bypass for true ¼"" out bypass mode.
Description
Power
The MXR Bass Preamp is powered by one 9-volt battery (remove bottom plate to install), a 9-voltAC adapter such as the Dunlop ECB003/ECB003E, a DC Brick power supply, or phantom power
Directions
Direct Out And Bypass
The Bass Preamp’s default setting is Direct Out ‘ON’ and BUFFER 1/4” OUT bypass ‘ON.’With Direct Out ‘ON,’ True bypass is not possible because the input signal must stay connected to the input buffer in order to send a bypass signal to the Direct Out With Direct Out ‘ON,’ the Bass Preamp also offers 1/4” Out Hardwire bypass and is selected by removing the pedal’s bottom plate and by setting switch SW4 to the down (‘OFF’) position.
Preamp Only (True Bypass)
The Bass Preamp can be used with the DIRECT OUT ‘OFF’ in order to utilize 1/4” Out true bypass switching. To activate true bypass switching, set SW4 and SW5 to their “down” (‘OFF’) positions. This setting disables the DIRECT OUT signal.
Where should you put the Bass
Preamp in your effects chain? If you’re only using the Bass Preamp for its 1/4” Output, put it at the beginning of your chain of effects.
When using the DIRECT OUT,
you have two options:
To send your clean signal to the PA or mixing console, put the Bass Preamp at the front of your chain. If you want your DIRECT OUT signal colored by all of your other effects, put the Bass Preamp at the end of your effects chain.
Phantom Power
The Bass Preamp can be powered through its DIRECT OUT from equipment that provides phantom power. To utilize the phantom power option, place the Bass Preamp’s GROUND LIFT button to the out position.
Specifications
| SKU | MXR-M81 |
|---|---|
| Brand | MXR |
| Weight | 1.100000 |
| Refund period | 35 days |
|---|
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