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Apogee DAX 3 Owner's Manual

Dedicated active crossover
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POGEE
COUSTICS INC.
DAX 3
Dedicated Active Crossover
Owner's Manual

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Summary of Contents for Apogee DAX 3

  • Page 1 POGEE COUSTICS INC. DAX 3 Dedicated Active Crossover Owner’s Manual...

  • Page 2: Installation

    INTRODUCTION The DAX 3 is a two channel Dedicated Active Crossover designed specifically to be used with the Apogee Acoustics Diva, Duetta Signature, Caliper Signature, and Centaur Major speakers. It provides exceptional tuning flexibility, which enables users to sculpt a tonal balance to meet their exact listening requirements. The DAX will accommodate a wide range of preamplifier and amplifier characteristics.

  • Page 3: Speaker Selection

    SW3, on the middle right edge of the printed circuit board, can be toggled to the left for Speaker A or to the right for Speaker B. Refer to Table 1 for the Apogee speaker designation depending on the two speaker choices received.
  • Page 4 2) Required Wiring Modifications to Apogee Loudspeakers for Use With DAX 3 The following speaker wiring changes must be performed to permit operation of the Apogee speakers with the DAX active crossover. The wiring changes are simple and readily performed.
  • Page 6 Remove all speaker cables from the Diva passive crossover. Carefully turn the Diva passive crossover upside down and remove the bottom cover by unscrewing ten machine screws with the alien wrench provided. Refer to Diagram #2 regarding the following procedures. Table 3 summarizes terminal and wire connections: TABLE 3: DIVA WOOFER(SPK)
  • Page 7 Midrange/Tweeter Wiring: a. Remove and insulate solid copper L3 coil, RED and YELLOW wires from MIDRANGE RED SPEAKER BINDING POST. b. Connect new midrange coil L5, included in the kit, between MIDRANGE/TWEETER RED AMPLIFIER BINDING POST and MIDRANGE RED SPEAKER BINDING POST. [Use the short lead for the speaker binding post and the long lead for the amplifier binding post.] Secure L5 to outer edge resistor bank, as shown in Diagram #2, with two tie-wraps included in kit.
  • Page 8 CALIPER SIGNATURE The Caliper Signature is not set-up to be easily modified by the customer. Therefore, we recommend that your authorized Apogee dealer perform this modification. CENTAUR MAJOR Remove the nameplate on the back of each speaker by removing six Phillips head screws. The nameplate holds the speaker binding posts on which the speaker wire is connected.

  • Page 9: Input/Output Connections

    d. Loosen and remove hex nuts from the main crossover board as shown. Remove RED and WHITE wires as indicated. e. Attach RED wire from crossover board to red woofer input binding post on input plate. f. Attach WHITE wire from crossover board to red midrange tweeter input binding post on input plate.

  • Page 10: Power Supply Connections

    MAKE SURE THAT ALL DAX XLR CONNECTORS ARE WIRED AS FOLLOWS: PIN 1: COMMON (Shield) PIN 2: NEGATIVE (LO) Signal PIN 3: POSITIVE (HI) Signal In the owner's manual for the Diva and Duetta Signature is a diagram showing two different configurations for bi-amplification.

  • Page 11: Front Panel Controls

    FRONT PANEL CONTROLS On the DAX front panel are eight control knobs. Included are left and right WOOFER and MIDRANGE/TWEETER attenuation, left and right WOOFER – MIDRANGE/TWEETER FINE BALANCE, and left and right RAKE ANGLE knobs. 1) Woofer and Midrange/Tweeter Attenuation: The woofer may be attenuated in 1 dB steps from 0 to -6 dB by turning the WOOFER knob counter-clockwise.

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