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Roksan K3

Power Amplifier

Midland HiFi Studio - Key Information

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Overview & Features

About the Product

The K3 Power Amplifier offers an excellent-value option for upgrading any audio separates component system, with clarity, detail and power in abundance. In addition to being compatible with most audio systems, it is also the natural partner for the K3 Integrated Amplifier and is the perfect way to upgrade your K3 system to offer more headroom, grip and control. It can be used as a straight pre/power combination with the K3 Integrated or to form a bi-amplification (or tri-amplification) system for the ultimate drive and power to your loudspeakers. Whichever way it is used, the smooth and powerful sound of the K3 Power Amplifier will be a superb, synergic improvement to your system.


  • Improved amplifier PCB
  • Symmetrical amplifier layout
  • Optimised power supply layout, distribution and decoupling
  • Better decoupling and power regulation to all stages
  • Directly powered power amp section
  • Improved grounding
  • Optimised routing and short speaker output cables
  • New improved protection circuit
  • Improved wideband noise rejection
  • Reduced residual hum and noise
  • 0.5W standby operation with auto detect and a 30 minute time

Technical Specification


  • Stereo RCA
  • Stereo XLR balanced


  • Stereo loop RCA
  • Stereo loop XLR balanced

Input Impedance

  • 23 kΩ

Input Sensitivity

  • (115W) – 900 mV

Speaker Output

  • L & R (x1)

Output Power

  • >140W (8Ω)
  • > 220W (4Ω)

Power Supply

  • 500 VA Ultra Low Noise Toroidal Transformer

Damping Factor

  • >110 (8Ω)

Frequency Response

  • (-3dB), <3Hz – >100kHz


  • 31.6 dB

Harmonic Distortion

  • <0.003% 1kHz – 8Ω


  • 130dBr (ref. 33.5V)

Power Source

  • 220V – 240V 50Hz / 60Hz

Power Consumption

  • Warm up mode <25W
  • Full Power <800W


  • 432 x 380 x 105mm (incl. feet)


  • 14kg