• FEATURES
  • MATT'S BIG CLASS A AMPLIFIER(6)
    Fans of Class-A designs will appreciate this 20W per channel single-ended version featuring a bipolar input and MOSFET output.
  • TUBE-BASED CROSSOVERS (16)
    Using a free design program will help you determine the component values of the tube crossover for your speaker system.
  • A CENTER CHANNEL SPEAKER: A DIFFERENT APPROACH (24)
    Determined not to settle for the same old box-on-a-box center-channel/TV configuration, this author provides an attractive, effective solution.
  • DC PROTECTION AND SWITCH-ON DELAY FOR POWER AMPS (34)
    Protect your speaker from unwanted DC with this simple-to-build circuit that also features a switch-on delay.
  • THE ABCs OF FILTERS, PART 1 (38)
    From the simple to the complex, this tutorial covers everything you need to know about filter terminology.
  • AN UNORTHODOX TWO-WAY, PART 1 (46)
    Here's a time-tested design, requiring minimum cabinet construction, featuring an 8'' mid-woofer.
  • PHASE INVERTED DESIGN (56)
    This author shares some refinements to the traditional phase inverter circuit for improved performance.
  • DEPARTMENTS
  • XPRESS MAIL (60)
    Readers speak out.
  • BOOK REVIEW (68)
    Reviewed by Bill Fitzmaurice.
  • SHOWCASE (69)
    Building Rozenblit's 80W OTL.
  • NEW CHIPS ON THE BLOCK (72)
    TI1394a-2000, TSB43CA43A, and AD1896.
  • IN EVERY ISSUE
  • CLASSFIEDS (70)
    Audio-related items for sale or wanted.
  • AD INDEX (71)
  • YARD SALE (71)
    Free classifieds for subscribers.