Cayin CS-55A Integrated Tube Amplifier

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This affordable integrated amplifier has impressive sound along with a wide selection of inputs including a USB and phono input.

The CS-55A comprises of a fully anodized aluminum front, a vented chassis with a gorgeous finish, the finest hand-made point-to-point wiring, and a soft-start circuit to enhance the life of the toroidal power transformer and output transformers. Combined with audio grade capacitors, carbon film resistors, and ceramic tube sockets, this is one amplifier every audiophile should have in his/her collection. Speaker output impedance can be swapped between 4 ohms and 8 ohms. Similarly to the A-88T, the CS-55A comes with a handy remote control.

  • 38-W per channel Ultralinear; 20 Watts Triode 
  • EL34 tubes can be replaced with KT88 tubes 
  • 4 x EL34 output tubes (with soft start circuitry) 
  • 2 x 12AU7 / ECC82 tubes
  • 2 x 12AX7 / ECC83 tubes 
  • 2 x RCA line inputs; 1 x MM Phono; 1 x USB 
  • Bias level meter; Headphone output (6.3mm / 1/4")  in
  • Aluminum remote

Dimensions: 14.2" W x 13.2" D x 7.1" H

Weight: 38 lbs.


  • 2 years on the amplifier 
  • 90 days on the tubes

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