Glass Audio volume 2, number 2/1990
- A Transformerless Output Amplifier (1)
- Valve views (3)
- From Oscilloscope to Curve Tracer (10)
- On the Nature of Power Supplies (14)
- Test Bench Power Supply (17)
- Kit Reports (Sonic Frontiers' SFM-75 Power Amplifier) (21)
- Unveiling the Silver Seven (Bob Carver's 500W Monoblock Amplifier) (30)
- World Directory (Manufactures of Tube Electronics) (35)
- Vintage Glass (39)
- The Radford STA 15 Basic Amplifier Circuit and Power Supply (1965)
- Audio Shards (40)
- Letters (42)
- Kits, Components (50)
- Books from Old Colony Sound Lab (52)
- Classified (60)
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