Leben CS-300F Integrated Amplifier

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The Leben CS-300F is equipped with the GE JAN-6197 tube, which was originally developed for computers. Leben has applied this tube for audio purposes for the first time in the world. They purchased the GE JAN-6197 tubes many years ago and have created an optimized circuit design to bring out he best performance in this exceptionally clean tube. For the driver circuit, the very high quality 17EW8 tube is implemented, specially produced for Hi-Fi by a major Japanese electronic manufacturer.


  • Lavish employment of the highest grade audio components
  • WBT type Binding Posts
  • Self-Biasing circuit accepts new tubes without any Bias adjustments, and also can adapt to a consumption of tube power or to unevenness of tubes automatically
  • Natural wood side-panels made from Canadian White-Ash
  • Almost same as CS-300X(S)


  • Tubes Equipped: JAN-6197 (GE) X 4, 17EW8(Hi-Fi) x 2
  • Output Power – Standard: 15W X 2
  • Frequency Response: 15Hz – 100KHz (-2 dB)
  • Distortion: 0.7%(10W)
  • Input Sensitivity: 600mV
  • Input Impedance: 100K Ohms
  • Output Impedance: 4/6/8 Ohms (Selectable)
  • Output Impedance (Headphones): 300 Ohms
  • Power Consumption: 82W
  • Weight: 10.5 Kgs.
  • Dimensions: 360 (W) X 270 (D) X 140 (H) mm
  • Attachment: Detachable AC Power Cable x 1

*The main difference between CS-300F and CS-300XS is the sound characteristics due to different output valves. The sound of CS300F is more modern and clear whereas and the sound of the CS-300XS is more valve-like (tube-like) / warmer, therefore a choice can be determined based on your own sound preference.

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