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WOO Audio WA7 Firefly Headphone Amplifier w/WA7p

$1,143.29

Product Description

 

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.

Specifications:

  • Single-ended, class-A, transformers output
  • Linear external high-performance power supply (remote-controlled power switching)
  • Two 6C45 driver/power tubes
  • C-Media 6631A USB chip
  • TI PCM5102A 32-bit DAC chip
  • Headphones impedance : 8-600 Ohms
  • Input impedance: 100 Kilo-Ohms
  • Sampling rate: up to 32-Bit, 192kHz
  • Inputs: 1 Asynchronous USB2.0, 1 RCA
  • Outputs: 1 1/4" and 1 1/8" headphone outputs, 1 RCA (same connector as the input)
  • Max output: approx 1 watt @ 32 ohms
  • Frequency response: 11Hz to 27kHz, +/-0.5dB
  • Distortion: <0.03%
  • S/N: 95dB
  • Power consumption: 25W max
  • Mains supply: 100-120V, 220-240V, 50/60Hz, user selectable
  • Finish: Anodized aluminum
  • DC cord length: 4.25 ft or 1.3 m
  • Dimension: AMP: 4.8" L x 4.8" W x 5.1" H with glass
    PSU: 7" L x 3.5" W x 2.2" H
  • Weight: AMP - 5.3 lbs / 2.4kg, Glass - 3.3 lbs / 1.5kg
    PSU - 2.8 lbs / 1.4kg
    WA7tp vacuum tube PS - 9.4 lbs / 4.3kg

Features:

  • Handmade output transformer with Nickel Alloy core
  • 32-Bit, 192kHz high resolution playback
  • Ultra-low jitter USB 2.0 runs on Asynchronous mode
  • High and low impedance output facilitated via toggle switch on back panel
  • Open load protection will automatically engage to prevent the amp from damaging when no headphones are plugged in
  • Multi-functional switch for USB input, RCA input, and RCA output via D-A.
  • The RCA connectors can be used either as RCA analog inputs or USB DAC preamp outputs
  • All-aluminum chassis with no screws visible from any viewing angles
  • High clarity tube protection glass
  • Multi-layer military grade PCBs
  • Customized driver for Windows Vista/XP/7/8
  • USB Audio Class 2.0 is natively supported by Apple OS X version 10.6.4 and above without installing driver

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