Air Tight ATC-3 Preamplifier features:
- SRPP line amp with reinforced buffer stage to assure good noise rejection, low output impedance and extended linearity
- Rich power supply featuring quick-recovery diode for high operational speed and low pulse noise
- Single-steel sheet with multi-layer enamel for high rigidity and low noise
- High-quality input/output jacks with detachable mains cord
- Optional “Alps” high-precision pot RK-501