• FEATURES
  • 6B4G STEREO 90 POWER AMP (6)
    This power amp design offers a solution to the problem of distortion in a push-pull parallel configuration.
  • THE ZEN AMP VARIATIONS, PART 3 (16)
    Adding a simple power-supply regulator to the Zen amp.
  • IT'S NOT JUST A SPEAKER - IT'S FURNITURE (22)
    Here's a step-by-step guide to help you make your speakers look as good as they sound.
  • RELAYS FOR LOUDSPEAKER PROTECTION (30)
    Discover how relays can offer speaker protection in the event of amp failure.
  • DUAL_DRIVER CONFUSION REVISITED (40)
    Getting a handle on system response when using a dual-voice-coil driver.
  • REVIEWS
  • B2 SPICE A/D V4 (44)
    This computer simulation program lets you test your circuit designs.
  • CARA 2.0 COMPUTER-AIDED ROOM ACOUSTICS SOFTWARE (48)
    Design a room for the best placement of your sound system.
  • CARA TEST DISK (52)
    Test the acoustics of your listening room.
  • DEPARTMENTS
  • AUDIO NEWS (2)
    What's new on the audio market.
  • XPRESS MAIL (55)
    Readers speak out.
  • BOOK REVIEW (64)
    The Collector's Vacuum Tube Handbook.
  • NEW CHIPS ON THE BLOCK (65)
    AK4360. TDK AVPro 501.
  • CLASSIC CIRCUITRY (67)
    Pilot AA-908.
  • AUDIO AID (68)
    Shishido 300B SE Amp Mod.
  • TEST TRACKS (72)
    Readers' favorites to test audio systems.
  • IN EVERY ISSUE
  • CLASSIFIELDS (70)
    Audio-related items for sale or wanted.
  • AD INDEX (70)
  • YARD SALE (71)
    Free classifields for subscribers.
  • WEBSITE RESOURCES (71)
    Find your favorite advertisers on-line.