Description
Moving Coil & Moving Magnet Phono Preamp
Squeeze every last detail from your record collection with our high-quality moving magnet and moving coil phono stage. Alva Duo delivers pure, immersive vinyl playback—whether through your hi-fi or straight to your headphones.
The vinyl experience, refined
Designed for both moving magnet and moving coil cartridges, Alva Duo reproduces every record with unmatched clarity, warmth, and depth—just as it was meant to be heard.
Private listening, perfected
Late-night listening has never sounded better. Alva Duo’s built-in headphone amplifier lets you enjoy the full warmth of vinyl without turning on your hi-fi system. Just plug in and immerse yourself in pure analogue sound.
Lose the hum, keep the detail
Unwanted noise can cloud your records, but Alva Duo’s advanced switch-mode power supply eliminates hum by operating outside audible frequencies. Paired with a precision circuit design, it ensures crystal-clear playback, free from interference.
Vinyl, Just for You
From the moment the needle touches down, Alva Duo enhances the vinyl experience with cutting-edge engineering, ensuring you can enjoy the purest analogue sound—whether through speakers or in private from the built-in headphone output.
Detailed sound, pure vinyl performance
Dedicated MM & MC phono preamp
Supports both moving magnet and moving coil cartridges, offering greater flexibility and wider turntable compatibility.
Switch-mode power supply
Alva Duo’s power supply switches outside audible frequencies to reduce hum and interference.
Surface-mounted circuit board
Designed for pure signal transmission, ensuring exceptional clarity and the perfect listening experience.
6.35mm headphone output
Listen privately without needing a separate amplifier.
Auto power-down
Alva Duo automatically switches off after 20 minutes of inactivity to conserve energy.
Subsonic filter
Removes low-frequency rumbles from worn vinyl for a cleaner, more refined sound.
Eco-friendly listening
Alva Duo is kind to your records and to the planet too. With less than half a Watt of standby power consumption and an auto power-down feature after 20 minutes of inactivity, it’s efficient and universally compatible with voltages worldwide.
Technical specification
Max power consumption
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
Equivalent input noise (a-weighted)
MM: ~0.09uV | MC: ~0.08uV
Riaa curve accuracy
+/- 0.3dB 30Hz-20kHz
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 (h x w x d)
48 x 215 x 159 mm (1.9 x 8.5 x 6.2″)
Weight
0.95kg (2.1lbs)
Whats in the box?
Alva Duo Moving Coil & Moving Magnet Phono Preamp, User Manual, Safety Guide, Mains Lead
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