Description

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Cambridge Audio Alva Duo

Moving Coil & Moving Magnet Phono Preamp

The Cambridge Audio Alva Duo is a dedicated phono preamplifier designed to support both Moving Magnet and Moving Coil cartridges. It features a built-in headphone amplifier, subsonic filter, switch-mode power supply and automatic power-down, making it a versatile addition to vinyl playback systems.

Key Features

• Dedicated MM and MC phono preamplifier
• Supports Moving Magnet and Moving Coil cartridges
• Built-in 6.35mm headphone amplifier
• Switch-mode power supply designed to reduce hum and interference
• Subsonic filter for removing low-frequency record rumble
• Surface-mounted circuit board design
• Separate MM and MC gain settings
• Auto power-down after 20 minutes of inactivity
• Compact aluminium chassis
• RCA stereo output
• Grey finish

Specifications

• Cartridge Support: Moving Magnet / Moving Coil
• Gain @ 1kHz: MM 39dB / MC 60dB
• Nominal Output: 300mV
• Input Sensitivity: MM 3.35mV / MC 305µV
• Equivalent Input Noise: MM ~0.09µV / MC ~0.08µV
• RIAA Curve Accuracy: ±0.3dB, 30Hz–20kHz
• Signal-to-Noise Ratio: MM >90dB / MC >70dB
• THD+N: MM <0.0025% / MC <0.20%
• Input Impedance: MM 47kΩ / MC 100Ω
• Input Capacitance: 100pF
• Overload Margin: >30dB
• Crosstalk @ 10kHz: MM >85dB / MC 75dB
• Headphone Output: 6.35mm
• Maximum Power Consumption: 10W
• Dimensions: 215 × 48 × 159mm
• Weight: 0.95kg
• Finish: Grey