Vacuum Tube Line Stage PreAmplifier


The PERFECT LINE PREAMPLIFIER is a stereo preamplifier reference quality sound reproduction. It employs an advanced circuitry and high quality components to provide outstanding musical reproduction of your favorite music.

Like our other products, this Line Preamp by ALEXUS AUDIO is engineered and built to provide a lifetime of musical enjoyment. The circuitry components are carefully chosen and hand soldered on the circuit boards.

Price: $3999.95 (with Remote)


  • Low internal noise
  • No Global Negative Feedback
  • 4 Inputs (one Balanced)
  • 2 Outputs (one Balanced)
  • Wide range: 2Hz. – 300kHz.
  • Hum and Noise better than -90 dB
  • Top quality selected components
  • 6H30Pi Super Tubes (triode mode)
  • Maximum Gain: 16 dB(adjustable)
  • Maximum output voltage 60 Volts
  • Total Harmonic Distortion: < 0.01%
  • Input Impedance: 100K.
  • Output Impedance: 500 Ohms
  • B+ Power Supply is about 2,000.00 uf.
  • Remote controled

Below is Audio Module(prototype) with 6H30Pi tubes

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