Woo Audio WA6-SE 2nd Gen Headphone Amplifier
Best tube amplifier for audiophiles seeking rich, dynamic headphone sound.
This dual-chassis powerhouse brings the lush, organic texture of pure tube amplification to your desktop. While the separate power supply demands extra desk real estate, the trade-off is a level of sonic clarity and dynamic authority that makes even the most demanding headphones sing.
$1499.00
at
Audio Advisor
Who it's for
- Audiophiles seeking a warm, rich, and emotionally engaging musical experience
- Listeners owning a diverse collection of high-impedance and planar headphones
- Tinkerers who enjoy fine-tuning their sound through vacuum tube rolling
Who should skip it
- Casual listeners working within a strict or limited audio budget
- Users wanting an instant-on device without heat management concerns
- Owners preferring a low-maintenance, set-it-and-forget-it audio setup
Performance breakdown
Sonic Warmth
The all-tube architecture delivers a lush, harmonically rich listening experience.
Build Integrity
Point-to-point wiring and robust anodized aluminum ensure lasting audiophile-grade performance.
Impedance Versatility
Effortlessly powers a broad spectrum of headphones from 8 to 600 Ohms.
Signal Clarity
The dual-chassis design effectively isolates power noise for a pristine signal.
Dynamic Range
Transformer-coupled output provides impressive speed and punchy, lifelike musical transients.
Maintenance Ease
Self-biasing circuitry simplifies tube rolling for a hassle-free customization experience.
Key Specs
Amplifier Type
Single-ended Triode, Class-A
Tubes
13DE7 driver/power x 2, 5U4G rectifier x 1
Headphone Impedance Compatibility
8–600 Ohms
Input Impedance
100 Kilo-Ohms
Frequency Response
15 Hz - 40 KHz, -3dB
Power Output
> 1 watt
Signal to Noise Ratio
93 dB
Total Harmonic Distortion
<= 0.3%
Voltage
AC 110/220 V, 50/60 Hz
Chassis Material
Anodized aluminum
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