AVAILABLE IN BLACK OR SILVER. AND UPGRADE NOW OR LATER WITH THE OUTBOARD POWER SUPPLY UNIT!
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.
One (1) year limited warranty cover amplifier and power supply parts and defects, thirty (30) days for tubes. No coverage on glass except for defects on arrival.
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Updated to 2nd generation in March 2016
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Compatible with Apple iPhone/iPad, Android devices, Mac and Windows computers, how-to video LEARN MORE
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Tubes: 6C45 driver/power 2, 12AU7/5963 rectifier x 2 with WA7tp upgrade
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Polytetrafluoroethylene (PTFE) tube sockets
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Singled-ended Triode, Class-A, Transformer-coupled
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ESS SABRE DAC 24 bit, 384kHz PCM, and up to 128DSD
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XMOS xCORE-AUDIO asynchronous USB compatible with PC, Mac, Android and iOS devices (with Apple CCK or Android OTG adapter), how-to video LEARN MORE
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High-retention USB connector x 1
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RCA analog Input x 1
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1/4" (6.3mm) stereo headphone output (8–600 Ohms)
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1/8” (3.5mm) stereo headphone output (for ultra-sensitive IEMs )
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Linear solid state power supply OR upgrade to WA7tp (tube power supply)
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Anodized aluminum chassis, available in black or silver
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Self-biasing with compatible tubes [chart]
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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.
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Global voltage (100v–240v) without converter
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Designed and assembled in New York, USA
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Three-year limited warranty
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Quick start guide
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WA7 Fireflies x 1
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SOVTEK 6C45 vacuum tube x 2
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Anti-slip glass pads x 4
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Solid state power supply x 1 with 4ft. DC cord x 1 [not included, replaced by WA7tp with upgrade]
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Standard USB A to B cable x 1
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U.S. style AC power cord
UPGRADE:
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WA7tp (tube power supply) x 1 with 1ft. DC cord x 1
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12AU7 / 5963 vacuum tube x 2
*Audio cables are not included.
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