Contact Us

Use the form on the right to send us an email.

OPTIONAL
           

123 Street Avenue, City Town, 99999

(123) 555-6789

email@address.com

 

You can set your address, phone number, email and site description in the settings tab.
Link to read me page with more information.

AMPLIFIERS

WA7 Fireflies (2nd gen) Headphone Amplifier/DAC

Woo Audio WA7 Fireflies amplifier
Woo Audio WA7 Fireflies amplifier

WA7 Fireflies (2nd gen) Headphone Amplifier/DAC

from 999.00
  • In stock, ships in 1–2 days
  • Add 3% for international orders
Color:
Upgrade:
Quantity:
BUY

The Woo Audio WA7 “Fireflies” Amp/DAC is a combination of high performance vacuum tube headphone amplifier with a built-in USB Digital-to-Analog Converter. It is a pure tube design, utilizing 6C45 tubes in a class-A, single-ended topology, with transformer coupled outputs. There are no semiconductors used in the entire amplification path. The D/A converter is designed to be capable of up to 24-bit/384k sampling rates. This maintains pure data integrity, which is transmitted via standard high speed USB 2.0 interface operating in asynchronous mode.

The high quality construction features include a pair of Nickel Alloy core output transformers, all-aluminum chassis with no screws visible from any viewing angles, a remote-controlled linear external power supply for amplification circuitries, a custom built toroidal power transformer, and multi-layer military grade PCBs.

The dedicated port for in-ear-monitors carries a full range of volume controls ensuring minimal noise. Despite its incredibly compact size, “Fireflies” is a power-house with the capacity to drive almost any demanding audiophile headphones. To accommodate different system setup needs, “Fireflies” can also be used as a stand-alone D-A Converter.

 Shown with WA7tp upgrade.

Shown with WA7tp upgrade.


  • Updated to 2nd generation in March 2016
  • Tubes: 6C45 driver/power 2, 12AU7 rectifier x 2 with WA7tp upgrade
  • Polytetrafluoroethylene (PTFE) tube sockets
  • Singled-ended Triode, Class-A, Transformer-coupled
  • ESS SABRE 24 bit, 384kHz DAC
  • XMOS xCORE-AUDIO asynchronous USB compatible with PC, Mac, Android and iOS devices (with Apple CCK or Android OTG adapter)
  • High-retention USB connector x 1
  • RCA analog Input x 1
  • 1/4" (6.3mm) stereo headphone output (8–600 Ohms)
  • 1/8” (3.5mm) stereo headphone output (for ultra-sensitive IEMs )
  • Linear solid state power supply OR upgrade to WA7tp (tube power supply)
  • Anodized aluminum chassis, available in black or silver
  • Self-biasing with compatible tubes [chart]
  • Dimensions: WA7 amp with glass: 5 ¼" (H) x 4.8" (W) x 6" (D) 8.6 lbs. with glass, Solid state power supply: 2.2" (H) x 3.5" W x 7" (D) 2.8 lbs., WA7tp with glass: 5 ¼" (H) x 4.8" (W) x 6" (D) 9.4 lbs.
  • Global voltage (100v–240v) without converter

Highlights

 Shown with WA7tp upgrade. *Specifications and appearance are subject to change for improvement without notice.

Shown with WA7tp upgrade. *Specifications and appearance are subject to change for improvement without notice.



  • Quick start guide
  • WA7 Fireflies x 1
  • SOVTEK 6C45 vacuum tube x 2
  • Anti-slip glass pads x 4
  • Solid state power supply x 1 with 4ft. DC cord x 1 [not included, replaced by WA7tp with upgrade]
  • Standard USB A to B cable x 1
  • U.S. style AC power cord

UPGRADE:

  • WA7tp (tube power supply) x 1 with 1ft. DC cord x 1
  • 12AU7 / 5963 vacuum tube x 2

*Audio cables are not included. 

In the box



Recommended

Amplifier Tube Upgrade (WA7)

 

Power Supply Tube Upgrade 1 (WA7tp)

Power Supply Tube Upgrade 2 (WA7tp)



Comments and Reviews