Air Tight ATC-1 Preamplifier features:

  • Highly reliable 12AX7 valves meticulously selected after ageing
  • 3-stage low-impedance K-K-NF configuration equalizer acclaimed for low distortion and wide frequency response
  • Simple, single-stage flat amp for pure sound
  • High-voltage B-power supply with quick recovery diode
  • PCB-free hand wiring
  • Discrete, highly rigid dia-magnetic chassis
  • EL-core power transformer