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Duncan A E C Owner's Manual

Acoustic environment control preamplifier
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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 Duncan 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 You can use the A E C preamp as a battery powered direct box with tone controls! The notch filter with sweepable frequency and variable depth will allow you to get rid of annoying acoustic feedback in almost any room.

  • Page 3: Controls And Features

    Controls & Features Your Seymour Duncan A E C preamplifier has a wide range of useful features for getting the best sound out of your acoustic guitar and making the preamplifier extremely versatile in all types of performing and recording applications.
  • Page 4 Notch Filter - The notch filter is very useful in combating regenerative feedback (see section on feedback). It reduces the signal at a particular frequency where the feedback is occurring (such as your acoustic guitar's sound board resonant frequency). The notch filter has two controls: notch DEPTH and FREQUENCY.
  • Page 5 Setting Up for Optimal Performance A simple step-by-step procedure is outlined below for setting up the amplifier for optimal performance. 1. Reset Controls -Turn down the volume, set the Bass and Treble flat, and turn notch Depth control all the way counter clockwise (no cut). 2.

  • Page 6: Specifications

    Specifications Input Stage: Ultra low noise J-FET >80 dB referenced to 100 millivolt input, Signal-to-Noise Ratio: 20-2OKhz Wideband Noise: -83 dBV @ line level output -103 dBV @ instrument level output -101 dBV @ balanced output Hum and Ripple: 120 Hz: - 113 dBV 60 Hz: - 103 dBV 50 or 34 dB (using the +6dB input and the Maximum Available Gain:...

  • Page 7: Warranty Information

    Defective parts will be repaired or replaced without charge if the product is returned to a Seymour Duncan Authorized Service Center. In the event a product is to be returned to the Seymour Duncan Factory for repairs, A RETURN AUTHORIZATION MUST BE OBTAINED PRIOR TO SHIPPING BY CALLING OR WRITING THE COMPANY FOR THE RA NUMBER.

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