Cambridge Audio
Cambridge Audio Alva Duo
Best phono preamp for vinyl enthusiasts seeking versatile, high-fidelity private listening.
Experience vinyl as it's meant to sound with the Cambridge Audio ALVA Duo phono preamplifier. This high-quality unit is designed to extract every inch of detail from your record collection, supporting both Moving Magnet and Moving Coil cartridges. Enjoy your favorite albums privately with the integrated headphone output, eliminating the need to turn on your main amplifier. The ALVA Duo also features a subsonic filter to combat vinyl rumble and a balance control for precise soundstage accuracy. Its eco-friendly design ensures minimal power consumption and global voltage compatibility.
$399.00
Owner Satisfaction
4.7
/ 5
Category Rank
133
/ 466
#133 in Phono Preamps
Price vs Category Average
-94%
Below average
Max Power Consumption
10
/ W
Who it's for
- Vinyl enthusiasts planning future cartridge upgrades
- Listeners wanting private, late-night vinyl sessions
- Audiophiles seeking transparent and detailed sound quality
Who should skip it
- Owners of specific low-output MC cartridges needing precise loading
- Purists who prefer internal power supplies for noise reduction
- Design-conscious buyers seeking a premium, heavy-duty aesthetic
Performance breakdown
Cartridge Versatility
Seamlessly handles both MM and MC cartridges for diverse turntable setups.
Signal Clarity
Advanced power supply design effectively minimizes unwanted hum and background noise.
Headphone Integration
Dedicated output allows for high-quality private listening without external amplification.
Sonic Precision
Subsonic filter and balance control ensure accurate, rumble-free vinyl playback.
Build Efficiency
Compact, eco-friendly chassis fits easily into any modern audio rack.
RIAA Accuracy
Tight tolerance ensures faithful reproduction of your favorite record collection.
Key Specs
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
Features
- Dedicated phono preamplifier boosts turntable signal for amplifiers.
- Supports both Moving Magnet (MM) and Moving Coil (MC) cartridges.
- Integrated headphone amplifier for private listening.
- Subsonic filter eliminates low-frequency rumble from vinyl imperfections.
- Balance control compensates for cartridge imbalances.
- Eco-friendly design with low standby power consumption and auto power-down.
- Global voltage compatibility for worldwide use.
- Dual cartridge support for both Moving Magnet (MM) and Moving Coil (MC) cartridges.
- Integrated high-quality headphone amplifier with dedicated volume control for private listening.
- Switchable subsonic filter to remove low-frequency rumble from vinyl imperfections.
- Balance control to fine-tune output and correct for cartridge imbalances.
- Advanced switch-mode power supply designed to minimize hum and noise.
- Auto power down feature conserves energy when not in use.
What customers say
The Cambridge Audio Alva Duo is highly regarded for its exceptional sonic quality and versatility. Customers consistently praise its dual MM/MC compatibility, offering great value for future cartridge upgrades. The core appeal centers on the significant sound improvement over standard stages. Reviewers note a clean, detailed sound signature with an impressively low noise floor, allowing subtle musical dynamics to shine through. This transparency unlocks the true potential of vinyl collections. Build quality is robust and appealing. For those serious about vinyl playback, the Alva Duo delivers outstanding performance at a competitive price point, making it a near unanimous recommendation.
Know before you buy
Yes, the Alva Duo is designed to support both Moving Magnet (MM) and Moving Coil (MC) cartridges, allowing you to upgrade your turntable setup without needing to replace your preamp.
The switchable subsonic filter removes low-frequency rumble caused by warped records or turntable imperfections. This helps protect your speakers from unnecessary cone movement and keeps the audio signal clean.
Yes, the Alva Duo features an integrated headphone amplifier with its own dedicated volume control. This allows you to enjoy your vinyl collection privately without needing to power on your main stereo system.
The balance control allows you to fine-tune the output to compensate for any slight imbalances in your cartridge. This ensures that the soundstage remains centered and accurate across both channels.
Yes, the Alva Duo features global voltage compatibility, meaning it is designed to function safely and effectively in different countries without requiring a voltage converter.
No, the Alva Duo is designed with eco-friendly features, including an auto-power-down function that conserves energy when the unit is not actively being used.
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$399