• FEATURES
  • A NEW CLASS-B AMPLIFIER (6)
    If you're concerned about reliability, try this tube amp, which the author attests can provide years of listening pleasure with no loss of performance.
  • BIG MIKE AND THE JIMMY, PART 3 (16)
    Add this high-quality tube mike preamp to your recording setup.
  • A SAFE POWER SUPPLY FOR VALVES (26)
    For peace of mind and ease of construction, tube enthusiasts will appreciate this power-supply design.
  • THE INFINITE BOX: CONSTRUCTING A SUBWOOFER, PART 1 (28)
    Build this unique subwoofer that uses the infinite-box approach.
  • LOAD-INVARIANT POWER AMPLIFIERS, PART 2 (40)
    This author shows how - with the use of parallel devices in amp design - you can reduce distortion.
  • A TRAPEZOIDAL CLOSED 3-WAY (48)
    You'll be proud to add these attractively shaped loudspeakers to your sound system.
  • REVIEWS
  • PERPETUAL TECHNOLOGIES P-1A/P-3A (52)
    This aX reviewer tests an outboard jitter suppressor/unsampler and digital/analog converter.
  • DEPARTMENTS
  • AUDIO NEWS (2)
    What's new on the audio market.
  • BOOK REVIEW (59)
    Audiocraft.
  • XPRESS MAIL (63)
    Readers speak out.
  • TEST TRACKS (72)
    Readers' favourites to test audio systems.
  • IN EVERY ISSUE
  • WEBSITE RESOURCES (58)
    Find your favorite advertisers on-line.
  • CLASSIFIELDS (70)
    Audio-related items for sale or wanted.
  • AD INDEX (70)
  • YARD SALE (71)
    Free classifields for subscribers.