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)