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Duncan A E C, Owner'S Manual

Duncan A E C offers a user-friendly Owner's Manual for download absolutely free. This comprehensive manual provides all the essential information and guidance you need to maximize the potential of your Duncan product. Don't miss out on obtaining this invaluable resource, available exclusively at manualshive.com.

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SEYMOUR DUNCAN RESEARCH

A E C

™

Acoustic Environment Control™

Preamplifier

OWNER'S MANUAL

5427 Hollister Avenue

Santa Barbara, CA 93111-2345, USA

Tel. (805) 964-9610

Fax. (805) 964-9749

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Summary of Contents for A E C

Page 1: ...SEYMOUR DUNCAN RESEARCH A E C Acoustic Environment Control Preamplifier OWNER S MANUAL 5427 Hollister Avenue Santa Barbara CA 93111 2345 USA Tel 805 964 9610 Fax 805 964 9749 ...

Page 2: ...plifier has the flexibility to handle any playing situation from solo club gigs to studio work A Discussion on Feedback An acoustic guitar which sounds warm rich and responsive when played without amplification can feedback annoyingly when amplified The sound from the speakers interacts with the guitar s natural resonance to cause feedback There are two dominant resonant sources the air cavity and...

Page 3: ...ry eliminators are the opposite polarity The AEC is internally protected against damage from reverse polarity It just won t work Line Level Output Use this 1 4 output to directly drive a power amplifier to full power This output may be used simultaneously with the instrument level output Either or both outputs can be used depending on the demands of the playing situation Instrument Level Output Us...

Page 4: ...e effect of cutting the midrange which helps some piezo pickups sound more natural As room acoustics change from gig to gig these controls can be used to get a good sound regardless of quirks in the room Volume This potentiometer is the overall output control for the entire preamplifier It adjusts the level of the two 1 4 output jacks The level of the XLR balanced output is determined by which inp...

Page 5: ...thunk every time you tap the top Now the notch filter is tuned to the soundboard resonance of your guitar Another technique is to let the guitar actually feedback if you can stand it while dialing in the frequency The feedback will stop when you ve got it tuned correctly If you use this method set the Depth control to 2 o clock help make the notch obvious Now bring the master volume up to playing ...

Page 6: ...utput Bass Control Shelving 10 dB Treble Control Shelving 7 dB Input Impedance 5 Megohms Notch Filter Frequency 70 340Hz Notch Filter Cut 0 25dB cut Balanced Line Out Transformer coupled capable of driving 600ohm load Instrument Level Output 100 mV nominal 200 mV max Line Level Output I Volt nominal 2 Volts max Power Requirements 9 volts DC 1 5 milliamps Can be powered from Internal 9 volt alkalin...

Page 7: ...include a copy of the bill of sale and a detailed description of the problem Any product shipped must be returned in the ORIGINAL SHIPPING CONTAINER WITH ORIGINAL PACKING MATERIAL and freight prepaid Transportation charges involved in warranty service are the sole responsibility of the owner This warranty does not apply to damage caused by misuse mishandling negligence in use or maintenance or sto...

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