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Duncan MAMA BEAR, User Manual, Page: 1 / 21

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For years, acoustic guitars have relied on pickups for  

amplification. One problem: Even the best acoustic  

guitars deliver an oversimplification of true acoustic  

tone complexity when amplified. Using 

something called AGE

™

 tecnology,  

D-TAR’s Mama Bear takes your guitar 

into the digital realm and restores the  

natural body resonance. The result: 

now the finest acoustic guitars can 

sound like, well… themselves.  

Only louder.

“wiTh  REspEcT  TO  AcOUsTic  TOnE”

TM

        MAMA BEAR

TM

User Manual for MAMA BEAR          

Digital Acoustic Guitar Preamp

Summary of Contents for MAMA BEAR

Page 1: ...c tone complexity when amplified Using something called AGE tecnology D TAR s Mama Bear takes your guitar into the digital realm and restores the natural body resonance The result now the finest acoustic guitars can sound like well themselves Only louder with respect to acoustic tone TM MAMA BEAR TM User Manual for MAMA BEAR Digital Acoustic Guitar Preamp ...

Page 2: ...will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the ...

Page 3: ...settings 5 Turn on Mama Bear by pressing the Power switch 6 Turn on your amp preamp or mixing console 7 Strum your guitar and slowly bring up Mama Bear s Input Level control until you see the Overload LED barely light up when you hit the strings hard 8 With your amp preamp or mixing console volumes set to normal levels bring up Mama Bear s Output level Be careful not to make it too loud and adjust...

Page 4: ...rocessing The Wet end of the dial is the processed sound only Every setting between these two extremes is a blend of your original guitar tone and the enhanced tone from Mama Bear You re now ready to experiment with Mama Bear s expressive qualities After you play for a while and become familiar with the controls and how they affect your tone read the rest of this manual It provides in depth inform...

Page 5: ...tarist or player in a group but it s also a great tool for anyone running a sound system in which acoustic instruments are being amplified You can quickly bypass the AGE TM sonic shaping to hear what your guitar sounds like unprocessed plus you can blend the straight sound of your guitar with the processed signal allowing an incredible range of new acoustic tones With Mama Bear it s possible to ma...

Page 6: ...ad sounding guitar or poorly designed pickup starts you out with a deficient tone and no amount of electronic wizardry can complete ly compensate for such a problem And ampli fiers designed for electric guitars are voiced to sound best with an electric guitar with exag gerated bass response and a natural tendency to distort While this sounds good for electric guitar it s the opposite of what you w...

Page 7: ...Of course placing a microphone several feet away from your guitar isn t practical in onstage settings or anywhere amplification is involved Feedback stray room resonances and other noises conspire to make a guitar sound inferior or at least off A variety of magnetic pickups transducers UST or otherwise attached to the top and small microphones are employed in many guitars often with uneven results...

Page 8: ... Input Level control 4 Overload LED indicator 5 Blend control wet dry 6 Bypass LED indicator 7 Bypass pushbutton switch 8 Mute LED indicator 9 Mute pushbutton switch 10 Phase pushbutton switch 11 Output Level control 12 Input Source selector 13 Target Instrument selector 14 Power LED indicator 15 Power on off pushbutton switch ...

Page 9: ...Rear Panel 1 16 volts AC input from AC adapter 2 Ground Lift pushbutton switch 3 XLR Balanced Output jack 4 1 4 Unbalanced Output jack 2 3 1 4 mama bear TM 7 ...

Page 10: ...olloff of frequencies below 200Hz This can be helpful in compensating for a bottom heavy speaker system or poor room acoustics You may find it more necessary when using Target Instruments with larger bodies or deeper bass response If you don t encounter any excessive low frequency content when you use Mama Bear then leave the Analog Lo Cut filter unengaged 3 Input Level control This knob sets the ...

Page 11: ...nd its best so keep an eye and an ear on the Input Level control and the Overload LED The best signal to noise ratio is achieved by running the guitar s volume and the input level as high as possible without clipping the type of distortion you hear when there s too much signal for the circuitry to handle This allows you to run Mama Bear s output lower thereby minimizing noise If you re in doubt ab...

Page 12: ... Bear s output without any sonic shaping from Mama Bear s AGE although Mama Bear s input buffers keep the signal strong Using this switch is great for comparing your straight sound with the sound that comes from Mama Bear 8 Mute LED indicator The Mute LED tells you when the Mute pushbutton 9 is engaged 9 Mute pushbutton switch Push the Mute button and the output signal is turned off This is useful...

Page 13: ...the other causing either a weak tone or one that s especially honky and feedback prone If you re splitting the signal in this way try pushing in and pushing out the Phase switch to see which setting sounds best 11 Output Level control Use the Output Level to set the amount of signal going to an amp mixing console etc If the equipment that Mama Bear is plugged into has an overload indicator at its ...

Page 14: ...this control as a way to prepare your guitar before it is processed Select an Input Source setting that matches the type of pickup in your guitar Keep in mind there may be more than one match so listen to a few settings to find the one or two that are best suited to your instrument Once you get a feel for what the next control theTarget Instrument selector 13 can do you ll definitely want to come ...

Page 15: ...piezo Magnetic Seymour Duncan Mag Mic and Woody LR Baggs M1 Fishman Rare Earth Sunrise Dean Markley ProMag B Band is a trademark of B Band Ltd Barcus Barry is a registered trademark of MBT International Dean Markley and Pro Mag are trademarks of Dean Markley Strings Inc EMG is a registered trademark of EMG Inc Fishman Matrix Powerbridge Thinline and Rare Earth are trademarks of FishmanTransducers ...

Page 16: ... is getting power from the AC adapter If the Power switch is on pressed in and you don t see the LED glowing then ensure that Mama Bear s AC adapter is plugged into a working AC outlet If you re not sure whether the outlet is live try another one or test it with another piece of equipment that you know works If the outlet is controlled by a switch make sure it s on 15 Power on off pushbutton switc...

Page 17: ...Mama Bear is not in use Alternatively the AC adapter can be plugged into a switched power strip so that you can conveniently turn it off with your other gear Refer to the label on the adapter for proper operating voltages mama bear TM 15 Note If your AC adapter its cord or its plug is ever damaged or if the adapter fails to work do not use it Replace it with the same kind only Failure to use the p...

Page 18: ...onal recording gear PA systems and any equipment that accepts a low impedance source via an XLR 3 pin connector 4 1 4 Unbalanced Output jack This output is optimized for sending a strong clear signal via a shielded guitar cord to amplifiers effects devices and many mixers that have 1 4 inputs Important Feedback is possible at some settings so always monitor your volume levels Note The XLR Balanced...

Page 19: ...ntrol set to maximum Maximum output levels in bypass mode measured using 1KHz sine wave Maximum output levels through processor measured using sine waves of various frequencies from 800Hz to 1 2KHz Limited Warranty D TAR offers the original purchaser a one year limited warranty on both labor and materials starting from the day this product is purchased from an Authorized D TAR Dealer D TAR will re...

Page 20: ...13 Solid body metal piezo bridge 2 14 Magnetic soundhole pickup 15 Magnetic soundhole pickup 16 Neutral no input compensation 18 Target Instruments 1 Parlor 2 Small Body Fingerstyle 3 Small Body Blues 4 Mahogany Orchestra Model 5 Rosewood Orchestra Model 6 Boutique Fingerstyle 7 Slope shouldered Dreadnought 8 Grand Auditorium 9 Slope shouldered Jumbo 10 Mahogany Dreadnought 11 Rosewood Dreadnought...

Page 21: ...5427 hollister ave santa barbara ca 93111 2345 USA tel 805 964 9610 fax 805 964 9749 www D TAR com D TAR and Mama Bear are trademarks of D TAR LLC 2005 D TAR LLC ...

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