Woo Audio WA8 Tube Amplifier
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The world's first battery-operated vacuum tube headphone amplifier.
Woo Audio’s epic WA8 Eclipse is the world’s first battery-operated vacuum tube headphone amplifier. Featuring SET Class-A transformer output for transparent sound quality, a built-in 24bit/384kHz DAC, and easy transportability/set-up, high fidelity audio listening is possible anywhere.. With its high power output, the Eclipse is capable of driving high-end headphones of 8–600 ohm impedance, while its ultra-low noise circuitry is ideal for in-ear monitors.
While portable, the Eclipse boasts a robust military-grade vacuum tube design rated for 5,000 hours of life. Versatile in analog and digital realms, it offers two- or three-tube operation to tailor the sound quality to a variety of headphones and in-ear monitors. The Class-A, Single-ended Triode topology uses ultra-efficient OCC single crystal copper output transformers offering high bandwidth and low loss. The Eclipse also uses an audiophile-grade ESS SABRE Reference 24bit/384kHz DAC, excelling with hi-res music files and compatible with Apple iOS and Android devices.
The Eclipse operates via external DC power or “off-the-grid” battery operation. Advanced technology provides steady and pristine power to the vacuum tubes and the DAC, offering several hours of play – and the unit is operable during charging. For the first time, high-fidelity and uncompromised sound can be achieved without boundaries.
• Advanced battery power management offers steady and pristin source to both amplifier and DAC
• The most compact high power all-tube amp
• Premium volume control feels precise and heavy
• Transportable size and form-factor, full-sized desktop-class amplifier/DAC performance.
• User replaceable vacuum tubes kit available for purchase
• Included 12.6v premium quick battery charger
• Included Pelican carrying-case (water-resistant, crush-proof and dust-proof). Custom-cut insert foam provides maximum protection.
• Included USB 2.0 cable
• Multi-layer military grade PCBs
• Driver for Windows Vista/XP/7/8/10
• USB Audio Class 2.0 is natively supported by Apple OS X version 10.6.4 and above
• All-tube design (not hybrid)
• Class-A, Single-ended Triode transformer-coupled
• Tubes 6S31B x2, 6021 x1
• Selectable two- or three-tube operation
• In-house Nickel core, OCC Single Crystal Copper output transformer
• Frequency response: 20Hz – 30kHz, -3dB
• Max headphone output 350mW
• ESS SABRE Reference DAC (ES9018K2M)
• XMOS xCORE-AUDIO asynchronous USB compatible with Mac, PC, Android and iOS devices
• Hi-res music playback up to 24-bit/384kHz
• USB (Type-B) digital input, and 1/8″ (3.5mm) analog input
• 1/4” (6.3mm) and 1/8” (3.5mm) headphone outputs (8-600 Ohms)
• Up to 4 hours of battery playtime, 3400mAh rechargeable Lithium-ion battery
• Five LED battery indicators
• CNC-milled aluminum enclosure, available in anodized black, space gray, and gold
• Dimension 6.69″ (L) x 3.6″ (W) x 1.69″ (D) / 170mm (L) x 92mm (W) x 43mm (D)
• Weight (amp) 2.4lbs / 1.09kg
*All Woo products usually ship in 3 to 10 days.