WooAudio WA7 "Fireflies"

Discussion in 'DAC Amplifiers' started by W5HRO, Oct 18, 2017.

  1. W5HRO

    W5HRO Administrator

    They actually make a tube-type DAC's You will see these things connected to people's iMacs.

    http://www.wooaudio.com/products/wa7fireflies.html

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    Specifications:
    • All-tube design (not hybrid)
    • Class-A, Single-ended Triode transformer-coupled
    • Improved analog circuit
    • 6C45 x2 driver/power tubes, 12AU7 x2 rectifier tubes for WA7tp tube power supply upgrade
    • Teflon tube sockets
    • ESS SABRE Reference DAC (ES9018K2M)
    • XMOS xCORE-AUDIO asynchronous USB compatible with Mac, PC, Android and iOS devices*
    • Headphones impedance : 8-600 Ohms
    • Input impedance: 100 Kilo-Ohms
    • Hi-res audio playback up to 24-bit/384kHz
    • Inputs: 1 high-retention USB (Type-B) input, 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
    • 24-Bit, 384kHz 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
    • 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 without installing driver
    .