Cambridge Audio

Alva Duo Phono Preamplifier

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.

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  • The Duo has been designed around exceptional components that deliver the warm and detailed sound that's synonymous with vinyl, all without distorting the signal from your moving magnet cartridge turntable. The switch mode power supply improves performance by switching outside of audible frequency to drastically reduce hum and new circuit board layout uses surface-mount components to reduce noise.
  • Enjoy the warmth of vinyl privately thanks to Duo's integrated headphone output. Uniquely, we integrated a 6.35mm headphone jack directly into the phono stage, so you can still enjoy your records when there's no option to play out loud. The integrated headphone output also means no need to turn on your amplifier just to power your headphones, resulting in a more eco-friendly listening experience.
  • If some records in your collection are a little worse for wear, the subsonic filter will help to eliminate low frequency rumbles that can be caused by imperfections within your vinyl. Combine this with the balance control for handling potential cartridge imbalances in your record player (that can cause a difference between the left and right channels) and the result is a detailed experience with accurate soundstage.
  • The Duo phono preamplifier is green at heart with less than half a watt standby power consumption and auto power down feature if the unit isn't used after a 20 minute period. This in turn gives the unit the same worldwide voltage for compatibility wherever you are in the world.
More Information
UPC 813371025912
Weight 3.70 lbs
Total Harmonic Distortion MM: <0.0025% / MC: <0.20%
Signal To Noise Ratio MM: >90dB / MC: >70dB
Gain MM: 39dB / MC: 60dB
Impedance MM: 47k Ohms / MC: 100 Ohms
Cartridge Loading Moving Magnet / Moving Coil
Power Requirements Max 10W
Features Headphone Out, Internal Power Supply, MM Compatible, MC Compatible
Color Options Silver
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