Manley Labs
Oasis Phono Preamp
Best tube preamp for audiophiles seeking versatile cartridge compatibility and quiet performance.
Experience superior vinyl playback with this advanced phono preamplifier. Designed for discerning audiophiles, it offers a remarkably quiet background and exceptional sonic clarity. Seamlessly integrate any cartridge thanks to user-adjustable gain and loading options. Its dual-stage vacuum tube design ensures a pure, uncolored signal path, while the handcrafted chassis reflects its premium build quality. Enjoy automatic mute functionality for tube warm-up and circuit settling, providing a refined listening experience.
$3999.00
Owner Satisfaction
4.7
/ 5
Category Rank
198
/ 791
#198 in Phono Preamps
Price vs Category Average
-52%
Below average
Vacuum Tube Complement
6922269222
/ x gain stage, x output stage
Who it's for
- Collectors valuing long-term durability and premium craftsmanship
- Audiophiles seeking a warm and immersive listening experience
- Vinyl enthusiasts using diverse cartridge types and setups
Who should skip it
- Users preferring low-maintenance, solid-state audio equipment
- Listeners wanting instant, ready-to-play audio performance
- Budget-conscious listeners prioritizing value over boutique performance
Performance breakdown
Sonic Transparency
Vacuum tube circuitry delivers a lush, organic sound without artificial coloration.
Cartridge Compatibility
Extensive loading and gain options accommodate virtually any high-end cartridge.
Noise Floor
Switch mode power supply ensures an exceptionally quiet, black background.
Build Integrity
Handcrafted American chassis construction reflects true heirloom-grade manufacturing standards.
Operational Convenience
Rear-panel adjustments make fine-tuning your vinyl playback remarkably straightforward.
Signal Purity
Pure analog path avoids integrated circuits for uncompromised audio fidelity.
Key Specs
Vacuum Tube Complement
6922 x 2 gain stage, 6922 x 2 output stage
Input Capacitance
50pF, 100pF, 200pF selectable
Input Impedance
47k Ohms default, 50-800 Ohms selectable
Gain Settings
45dB, 50dB, 60dB, 65dB
RIAA Deviation
Less than ± 0.5 dB from 20Hz to 20kHz
Total Harmonic Distortion
0.010% typical
Maximum Output
+37dBu
Output Impedance
91 Ohms
Know before you buy
The Oasis features the advanced MANLEY POWER switch mode power supply, which significantly lowers the noise floor and improves transient response compared to the Chinook. This update provides a quieter background and more precise sonic performance while maintaining the classic tube-driven sound.
Yes, the Oasis is designed to handle both types. It features rear-panel switches that allow you to adjust gain and loading to match the specific requirements of your cartridge, whether it is a high-output Moving Magnet or a low-output Moving Coil.
The automatic mute timer protects your speakers and ensures optimal sound quality by preventing signal output until the vacuum tubes have reached their operating temperature and the internal circuits have fully settled. This typically takes about 30 seconds after powering on.
No, the Oasis includes a universal internal power supply that automatically adjusts to any AC voltage between 90 and 254 VAC. You can use it anywhere in the world without needing external transformers or voltage converters.
No, the Oasis maintains a pure, all-tube signal path. It utilizes a dual-stage 6922 vacuum tube complement for both the gain and output stages, ensuring that your music remains free from the potential coloration or limitations of integrated circuits.
You can easily customize the input impedance and capacitance using the switches located on the rear panel. This allows you to fine-tune the electrical load to match the manufacturer's recommendations for your specific cartridge, ensuring the most accurate frequency response.
Still have a question?
Ask Hayley anything about this product before you decide.