Feliks Audio

Arioso 300B Integrated Amplifier


5 week delivery time from date of purchase. 


The driver tubes are the CV 181-TII (“golden” PSVANE 6SN7) and the rectifier is 5C3S (NOS). The output tubes use a stabilized DC current heater supply and a special system that separates the tube heating circuit from the stabilizer system.

The entire amplifier circuit is built using the point-to-point method. It features selected high-quality components, for example the motorized blue ALPS potentiometer (for remote control), "Hi End" class transformers from Mr. Ogonowski, “red Jantzen” coupling capacitors, Caddock film resistors.

All these elements achieve a natural, incredibly detailed, and musical sound, with well-controlled bass and a rich but not overly emphasized midrange.


  • Output power: 2 x 8 W
  • Frequency range: 15 Hz – 32 KHz +/- 3 dB
  • Inputs: 3 x RCA line
  • Input sensitivity: 1 V RMS
  • Input impedance: 100 kOhm
  • Loudspeaker outputs: 4 and 8 ohm
  • Dimensions (incl. tubes): 16.1" x 13" x 8.3"
  • Weight: 39.68 lb