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Pioneer D-23 Operating Instructions Manual

Electronic crossover network.
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ELECTRONIC CROSSOVER

NETWORK

OPERATING INSTRUCTIONS

SL
WARNING: TO PREVENT FIRE OR SHOCK HAZARD,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR
MOISTURE.

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Table of Contents

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   Summary of Contents for Pioneer D-23

  • Page 1: Electronic Crossover

    ELECTRONIC CROSSOVER NETWORK OPERATING INSTRUCTIONS WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
  • Page 2: Table Of Contents

    MID-HIGH ranges also include a FLAT position which input and output stages. Signals from the preamplifier are permits the D-23 unit to be connected up in various com­ thus sufficiently amplified before being applied to filters of binations of 3-way and 2-way multi-amplifier systems, each frequency range.
  • Page 3: Multi-amplifier Systems

    MULTI-AMPLIFIER SYSTEMS order faithfully reproduce program 2-WAY MULTI-AMPLIFIER SYSTEMS (Fig. 3) source with true high fidelity, the audio reproduc­ 2-way system employs stereo power amplifiers, tion equipment must have negligible distortion, a pair of woofers (for low to mid-range frequency), a large dynamic range,...
  • Page 4: Connection Diagram

    CONNECTION DIAGRAM CONNECTION DIAGRAM INPUT OUTPUT HIGH MID-HIGH MID-LOW LOW...
  • Page 5: Connections

    In the D-23, range corresponds to the correct output terminal all upper row terminals are for left channel, and on the rear panel of the D-23. Incorrect connec­ all lower row terminals are for right. tions could result in damaged speakers.
  • Page 6: Front Panel Facilities

    /oct dB /oct SLOPE SLOPE SLOPE POWER ELECTRONIC CROSSOVER NETWORK D-23 LEVEL CONTROLS MEMORY MARKERS (LOW, MID-LOW, MID-HIGH, HIGH) These markers will prove very useful in marking pre­ selected levels for comparison purposes and other fine These controls are for adjusting output levels of each adjustments.
  • Page 7 Fig. G. MID-LOW MID-HIGH HIGH In the D-23, the actual characteristics are shown by the dotted line (Fig. and the broken line (Fig. G). So the cut-off frequency corresponds to -3dB when the slope Fig.
  • Page 8: Before Operating The

    BEFORE OPERATING THE D-23...
  • Page 9 Fig. 10 Fig. 6 Fig. 7 Fig. 11 Fig. 8 Fig. 12 Fig. 9...
  • Page 10 Commence with the speaker whose sound pressure level is lowest, I Ok setting the corresponding LEVEL control on the front panel of the D-23 to the "0" position, and all other LEVEL controls to" oo ". �...
  • Page 11: 4-way Amplifier Systems

    • 4. Turn the power ON, and adjust each of the the 4-way amplifier system will not operate properly, and there is a possibility of rupturing the speakers. LEVEL controls on the front panel of the D-23. under "Phase" page "Level...
  • Page 12 3-WAY AMPLIFIER Stereo power amp I ifier SYSTEMS Tweeter Input Output High Mid-range Mid-High 3-way amplifier systems can be formed in different speaker ways, depending on how the slope selector controls Woofer used. The most suitable composition will depend on the individual characteristics of the Fig.
  • Page 13: 2-way Amplifier Systems

    2-WAY AMPLIFIER SELECTION OF CROSSOVER FREQUENCIES BETWEEN LOW MID-RANGE AND HIGH MID­ SYSTEMS RANGE FREQUENCIES (320Hz-3.2kHz) AND BETWEEN HIGH MID-RANGE AND HIGH FRE­ 2-way amplifier systems can be formed in several QUENCIES (1.6kHz-16kHz) different ways, depending slope selector controls used. most suitable (Connections to MID-LOW, MID-HIGH, and HIGH...
  • Page 15: Characteristics Charts

    CHARACTERISTICS CHARTS • SLOPES CHARACTERISTICS • FREQUENCY RESPONSES fc = 100, 1 k, 1 Ok(Hz) at 6 dB/ oct fc =200Hz Input terminal: Input jacks Output terminal: Low, jacks Slope: Low LP: 6dB /oct,12dB /oct,18dB /oct Load impedance: 51kΩ Level control: Max Input terminal: Input jacks Output terminal: Low, Mid-Low, Mid-High High jacks...
  • Page 16: Specifications

    4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan U.S. PIONEER ELECTRONICS CORPORATION 75 Oxford Drive, Moonachie, New Jersey 07074, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Luithagen-Haven 9, 2030 Antwerp, Belgium PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-104 Boundary Road, Braeside, Victoria 3195, Australia Japan Printed in <77C00Y9E01>...

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