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Cambridge Alva Duo Phono Stage


MM/MC Phono Stage Preamplifier


A little background info…

Squeeze every inch of detail from your record collection with our highest quality moving magnet and moving coil phono stage, with integrated headphone amp; the Duo Phono Preamplifier.

Whether you’re dusting off your record collection or embracing analogue through the vinyl revival, there’s a unique experience to be had from the moment you drop the needle on your favourite album. To preserve the unique warmth of the vinyl sound, the Duo phono preamplifier has been carefully designed with a state-of-the-art switch mode power supply and a new surface mounted circuit board layout to reduce unwanted noise.




Max Power Consuption:
  • 10W
Cartridge Support:
  • Moving Magnet | Moving Coil
Gain @ 1KHZ:
  • MM: 39dB | MC: 60dB
Nominal Output:
  • 300mV
Sensitivity For Nominal Output:
  • MM: 3.35mV | MC: 305uV
Equivilant Input Noise (A-Weighted):
  • MM: ~0.09uV | MC: ~0.08uV
RIAA Curve Accuracy:
  • +/- 0.3dB 30Hz-50Hz
Signal to Noise Ratio Grounded Inputs REF. 1V Output (20HZ-20KHZ BW):
  • MM: >90dB | MC: >70dB
THD+N 1KHZ (20-20KHZ BW):
  • MM: <0.0025% | MC: <0.20%
Input Impedance:
  • MM: 47k Ohms | MC: 100 Ohms
Input Capacitance:
  • 100pF
Overload Margin:
  • >30dB
Crosstalk @ 10KHZ:
  • MM: >85dB | MC: 75dB
Dimensions (HxWxD):
  • 48 x 215 x 159 mm (1.9 x 8.5 x 6.2″)
  • 0.95kg (2.1lbs)