Glass Audio volume 1, number 0/1988

  • The Tube Revival (1)
  • A Direct Drive Electrostatic Headphone Interface (4)
  • A Self-Bias Servo for Push-Pull Output Tube Amplifiers (9)
  • Books from Old Colony Sound Lab (13)
  • Greening the Revox G36 (16)
  • A Stereo Balanced Transformer Input Microphone Preamp (21)
  • A Quality Dynamic Hedaphone Tube Amplifier (23)