Dual Monoaural Preamplifier “Stella” Angstrom Audiolab

The preamplifier is completely hand crafted.
Pure symmetric Balanced Line Preamplifier.

Tube power supply

  • 2 x 6AX4 half wave rectifier dumper diode
  • 4 x 6V6 or 5881 tube Darlington active high voltage filter
  • 2 x 6080 double triode regulated power supply
  • 2 x EL34. • 2 x OA2wa reference voltage diode
  • n. 6 indipendent power supplies.

Line Stage

  • 8 x ECC82/12au7
  • 2 x ECC82/12au7
  • 5 inputs per channel: 3 balanced; 2 single ended (RCA)
  • remote control volume and input selector.

Output Efficiency

  •  Frequency response: 10hz to 150Khz
  • Frequency response: 10hz to 150Khz
  • Distorsion: less then 0.5% at 2V Rms output
  • Input impedance: balanced 200 KOhm balanced 1.5nf Max. capacitance
  • Rated output: 2V Rms 5hz to 100 Khz balanced loads
  • Gain control: +/- 40db
  • Noise: 18mv residual rated balanced
  • 4 separate toroidal transformers
  • Dimensions: 17.91” x 6.30” x 16.14” (W x H x D)
  • Weight: 55.11 lb (25 Kg.)

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