Manley Labs
Neo-Classic 300B RC Preamp Headphone Amp
Best tube amplifier for audiophiles seeking rich, natural headphone sound.
Experience unparalleled audio fidelity with this premium tube preamplifier and headphone amplifier. It utilizes classic 300B tubes for a warm, natural sound and operates in pure Class A triode mode for precise amplification. The single-ended design ensures optimal impedance matching, while vacuum tube rectification and regulation provide a stable, ultra-low noise power supply. High-quality components, including an ALPS volume control and silver wiring, deliver exceptional performance and durability for discerning listeners.
$7999.00
Owner Satisfaction
4.5
/ 5
Category Rank
499
/ 1079
#499 in Headphone Amplifiers
Price vs Category Average
+470%
Above average
Tubes
230026723254
/ x B, x SLGT, x OD, x U
Who it's for
- Audiophiles seeking rich, lifelike, and emotionally resonant sound quality
- Listeners wanting a unified hub for speakers and headphones
- Collectors prioritizing long-term reliability and premium build quality
Who should skip it
- Owners wary of recurring maintenance and high replacement costs
- Users with limited desk space or poor ventilation
- Budget-conscious buyers looking for entry-level audio equipment
Performance breakdown
Sonic Texture
The 300B tubes deliver a lush, organic warmth that defines high-end listening.
Signal Purity
Advanced ripple rejection ensures a black background for absolute sonic clarity.
Build Integrity
Mil-spec boards and premium wiring reflect a commitment to lasting performance.
Impedance Matching
Single-ended design provides effortless synergy with a wide range of headphones.
Volume Precision
The ALPS control offers tactile, accurate adjustments for perfect gain staging.
Power Stability
Tube-regulated power supply maintains consistent, clean energy for the output stage.
Key Specs
Tubes
2 x 300B, 2 x 6SL7GT, 2 x OD3, 2 x 5U4
Operation
Pure Class A Triode
Configuration
Single-Ended
Power Supply
Vacuum Tube Rectification and Regulation
Noise Reduction
Ripple Rejection Circuit
Volume Control
ALPS Audiophile Volume Control
Connectors
Gold-Plated RCA
Wiring
High-Purity Silver Wire
Know before you buy
The 300B tubes are renowned for their smooth, natural, and liquid midrange. They provide a lush, organic presentation that excels at making vocals and acoustic instruments sound incredibly lifelike and present.
Yes, it is designed as a dual-purpose device. You can use it to drive your favorite headphones or connect it to a power amplifier to serve as the heart of a high-end stereo system.
By using vacuum tube rectification and regulation, the unit achieves a level of power stability that solid-state supplies often struggle to replicate. This contributes to a more cohesive, musical sound and helps maintain the integrity of the signal path.
The inclusion of a dedicated ripple rejection circuit specifically targets noise floor reduction. This ensures that even with sensitive headphones, you get a clean, black background without the audible hum often associated with tube gear.
Manley Labs uses mil-spec circuit boards with extra-thick copper, high-purity silver wiring, and an ALPS volume control. These premium components are chosen to minimize signal degradation and ensure the unit remains reliable and sonically consistent over many years.
The single-ended configuration and custom-designed output transformers are engineered to handle a wide range of headphone impedances. It is highly versatile, though it performs best with headphones that benefit from the rich, harmonic character of a Class A triode design.
Still have a question?
Ask Hayley anything about this product before you decide.