Leben CS-1000P Power Amplifier

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Following on from the success of the CS-660P, Leben have now developed an even more powerful power amplifier, the CS-1000P, with up to 100W per channel. With a similar styling as before, this new amplifier can operate in either Pentode or Triode mode via a switch on the back of the amplifier.

High power output tubes, KT120(Super KT88)

  • 100W/ch(1KHz) at Pentode circuit (70W/ch at Triode). Pentode/Triode selector switch.

Bias adjustment with a cathode-direct meter

  • Several types of output tubes are applicable by adjusting the cathodal electric current.

Newly developed output transformer

  • Minimum loss and a superior high-frequency response.

Flat and wide frequency response

  • A wide frequency response from 10Hz to 150KHz(-0dB) caters for digital audio formats such as SACD/HDCD.
  • High rigidity solid aluminum insulators


  • Super-high sensitivity bias meter made by a long-established manufacturer
  • High-grade Metal glaze resistors of below 1% error margin
  • High-grade 41-steps Detent Volume of ALPS


  • Tubes Compliment: KT120 x 4, 6922/6DJ8(ECC88) x 2, 6CG7/6FQ7 x 2
  • Output Power: 100W x 2 at 1KHz
  • Frequency Response: 10Hz – 150KHz. (-3dB)
  • Input Sensitivity: 0.4V at 50W
  • Input Impedance: 100K Ohms.
  • Output Impedance: 4/6/8/16 Ohms (Selectable)
  • Weight: 23.5 Kgs.
  • Dimensions: 455 (W) X 200 (H) X 335 (D) mm
  • Attachment: Detachable AC Power Cable x 1
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