• FEATURES
  • HYBRID SOLID-STATE POWER AMPLIFIERS (6)
    This audio veteran presents four hybrid power amps that you might consider for your own designs.
  • THE DR5 HORN (10)
    Although small in size, this noted author's latest speaker design delicers all the power you need in an easily transportable stage monitor.
  • THE DC REVENGE E182CC AMPLIFIER (20)
    A long-time audio experimenter shares with us his latest single-ended amp design featuring readily available indirectly heated tubes.
  • ACOUSTICAL SHRINKAGE OF LARGE INTO SMALL ROOMS (28)
    How do rules for concert-hall acoustics apply to your home listening room? This sound pro rates the parameters you need to consider for small rooms.
  • LINE-TRANSFORMER-DRIVEN SV300B SE AMPLIFIER (32)
    The latest single-ended design from this noted amp designer features the Plitron toroidal transformer.
  • FASTER, STRAIGHTER, NICER (48)
    You, too, can become a crafty builder by using these handy construction tips in your workshop project.
  • AMPLIFICATION WITHOUT DISTORTION, RECREATING A 1920s AMPLIFIER (54)
    Experience the sounds of the music of the '20s with this early audio amplifier.
  • REVIEWS
  • MARCHAND PM48 COMPUTER AMP (58)
    Boost your computer with this amp card from Marchand.
  • LISTENING CRITIQUE (60)
  • DEPARTMENTS
  • AUDIO NEWS (4)
    What's new on the audio market.
  • XPRESS MAIL (65)
    Readers speak out.
  • BOOK REVIEW (72)
    Opamps For Everyone.
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  • CLASSIFIEDS (70)
    Audio-related items for sale or wanted.
  • AD INDEX (71)
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    Free classifieds for subscribers.