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Hi End Audio USB DAC's |
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USB Heaphone DAC |
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ADL GT40 -
$525. 24/96
DAC/ADC |
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Link for Software to store
LP's on your MAC computer!
http://www.channldcom/purevinyl/ |
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Recommended USB Cables |
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The GT40 built for enthusiasts with growing music collections on
their computer hard drives It’s a high performance
24-bits/96kHz USB DAC that’s amazingly affordable at only $525 in the USA Looking to convert your LPs or other
analog sources to digital? The GT40 will take you to the podium
with every album you archive
The seriously-shielded audiophile-grade GT40 features a
low-latency USB 2.0 audio driver that plays and records at 96
kHz A likely first for this category, the GT40 includes a
built-in low-noise MM / MC Phono preamp! Record your favorite
vinyl to hard disk via the USB output.
DAC IC : TA1200Q 24bit/96kHz (Max)
ADC IC : TA1100 24bit/96kHz (Max)
You can also convert any analog
source to Digital by connecting the output of the device into
the Input side, then sliding the switch to line! This also
includes the output of your favotite Phono preamp bypassing the
internal RIAA Phono input!
The ADL GT40 features L/R analog outputs, and switchable line or
Phono inputs with a vivid, captivating sound that is simply
unheard of in this category
The ADL GT40 (wired with Furutech’s GT2 USB cable of course!)
brings Furutech’s signature sound -- smooth, detailed clarity --
to desktop systems, especially with high resolution
24-bits/96kHz files, but even 16-bit/441kHz files sound
impeccable and very musical |
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Reviews: |
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List of all reviews from ADL Website:
http://www.adl-av.com/products/usbdac/gt40/#reviews
Positive Feedback By David Robinson
http://www.positive-feedback.com/Issue57/furutech.htm
"I never had a problem with switching between the two input
options. The results on the HD800s really surprised me. Maybe my
expectations were modest, but this little wonder made me realize
immediately that I had underestimated the capabilities of the
GT40. The USB input of 96/24 files was very pleasant over the
HD800s: a good level of detail and transparency, regardless of
whether I was listening to R.E.M., Robert Plant, or Bill Evans.
What was more, the detail did not come with any glare, edge, or
graininess that I've heard from lesser compact DACs in the past.
It was still clear that I was listening to PCM with some
recordings, but it was far less objectionable than I would have
expected at this price point."
" the worst of 44.1kHz was held at bay with more adeptness than
I would have thought possible at under $500. There was a
richness and warmth that I had not expected with both 44.1kHz
and especially 96/24 sources. These days, I spent most of my
time listening to 176.4kHz/24 bit and above on the PCM side, and
1x and 2x DSD from hard drive on the DSD side (more on that very
soon now), plus my new SACDs and LPs, and so I am giving the
GT40 a real compliment here. I found that if I wanted to listen
via headphones, and make a shift from ultra-high-resolution, I
didn't have an aural train wreck to do it."
"Given the combination of line-level and USB input/output, and
the quality headphone performance that I have been enjoying, I'd
say that this is great solution for anyone looking for an
affordable and compact 96/24 package."
http://reviewalistcom/2011/01/review-furutech-gt40/
“The Furutech GT40 DAC is something a bit different Have a close look at the
front panel and you'll see mention of 'phono' That's right, this DAC is also an
ADC and a phono stage
Even as a DAC, it's still something of a rarity in offering 24-bit/96kHz
support But, at least, we can expect to see more of this, as the chipsets
become available
The headphone socket and volume control (which also affects the line outputs, by
the way) are nice additions But including an analogue-to-digital converter is a
much less common step It makes a good deal of sense, given that USB is
intrinsically a bi-directional interface and plenty of folks will have analogue
recordings they may want to digitise for longevity and ease of access”
Canada HiFI
http://wwwcanadahificom/Alpha-Design-Labs-GT40-USB-DAC-reviewphp
“Suddenly the midrange offered a substantially cleaner presentation and was
filled with details that were previously completely obscured Much of the
digital haze was lifted and I instantly began enjoying a much expanded, better
defined soundstage The lower frequencies had good definition and extended into
much lower registers than previously The highs benefited from a cleaner, more
natural presentation
The Alpha Design Labs GT40 USB DAC with Phono Stage (by Furutech) is a masterful
little device with a long list of features and strengths - all at a price of
just $495 Given its build quality and performance, this is one of the best
bargains I’ve come across in a long time in the audio world”
Tone Audio Review:!
http://wwwfurutechcom/a2008/reviewcasp?area=&country=USA&r1_no=85&r2_no=497
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Features:
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- High performance 96KHz/24bit USB DAC and ADC IC chip
- Enjoy audio in high resolution at 96KHz/24-bits
surpassing conventional 441KHz/16-bit standards
- Incorporates the most trusted driver in professional
audio for 96kHz recording and Furutech Introduces the24/96
GT40 USB DAC with Phono Stage playback
- External power supply: while a USB-powered device might
be convenient, it won’t develop the power required for high
resolution playback, so we designed the GT40 with an
external power supply to solve the problem
- Headphone Amplifier: It contains a high performance
headphone amplifier with ample drive for good headphones
- Analog-to-Digital Converter: The GT40 sports a
high-performance ADC IC chip for high resolution recordings
via analog inputs including Phono, AM/FM radio, or other
analog signals
- Phono Preamplifier: A first for this class, the GT40
features a Phono equalizer for recording your precious LPs
Switch between Moving Magnet (MM) and Moving Coil (MC) or
Line input
- Highest Quality Parts: The GT40 features a high quality
amplifier and condenser supporting its high performance
analog circuit
- High End Audio Grade Connections: The GT40 is equipped
with gold-plated Teflon-insulated RCA jacks with an
extremely high quality aluminum chassis and machined volume
knob
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Specifications: |
- USB & Analog Playback and Record multimedia audio system
- Connectivity: USB B Interface, Analog input/output RCA
jack
- USB Playback Resolution : 24bit/96KHz
- USB Recording Resolution: 96kHz (Max) supports
32kHz/44.1kHz/48kH
- Frequency response: 20Hz ~ 20kHz (40Hz: +05 dB,
15kHz:-05dB)
- SN ratio:-90dB (A-wtd) / Line Output
- Line Output Level: 1 Vrms
- Line Input Level: MC 05mV / MM 5mV / Line 1V
- Headphone Output Level: 80mW ( 32 ohm ) Max
- Power Supply AC Adaptor Rating: AC 9V 05A
- Dimensions: 150 (W) x 111 (D) x 57 (H) mm
- Weight: 1.4lbs
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New Product Announced CES
2012 ADL Esprit -
24/192
DAC/ADC - $999.00 Availability Mid April
2012 |
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Recommended USB Cables |
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As the great jazz composer Sun Ra says, “Space is the place,”
and audio enthusiasts all over the globe know that to be true.
Most of us live in tight quarters and there’s little room for
large, energy-inefficient components. Plus a growing number are
using their computers to store and play music. But audiophiles
and music lovers still want what they want, better sound and
more convenience.
That’s why Furutech introduced the well-reviewed GT40 USB
DAC/Analog Recorder last year. The GT40 was the stripped-down
sports racer of the group and the Esprit is a faster, more
luxurious GT model. It’s a compact DAC/Preamplifier that can
also record and playback from hard disk in both analog and
digital. It even offers a toggle switch to choose recording
gain: 0dB, -6 dB, or -12dB.
The Esprit is designed around a high-performance 24-bit/192kHz
Wolfson WM8716 DAC. ADC duties are covered by the Asahi Kasei
AK5385B 24-bit/192kHz converter with Enhanced Dual Bit
architecture at 114dB dynamic range. It also features optical,
coaxial and a pair of line-level inputs for whatever home
entertainment devices you’re using. The Esprit also carries both
analog and optical outputs. Completely control an analog,
digital or computer-based system with superior sound while
recording vinyl or any other analog or digital source to hard
disk! The exceptional headphone amplifier drives 32 to 600 ohm
‘phones with aplomb.
The sound is vivid, captivating, palpable and unheard of in this
price category. The ADL Esprit brings Furutech’s signature
smooth, detailed clarity to high-resolution 24-bit/96kHz files
and 16-bit/44.1kHz files sound better and more satisfying! |
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Features: |
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- 24-bit/192kHz Wolfson WM8716 DAC
- 24-bit/192kHz Asahi Kasei AK5385B ADC with Enhanced Dual
Bit architecture at 114dB dynamic range
- 24-bit/96kHz Tenor TE7022L Hi-Q USB Audio Streaming
Controller supports ASIO Self-installing driver
- External power supply: USB-powered devices are
convenient don’t have the power needed for high resolution
audio
- Headphone Amplifier: TI TPA6120A driving from 32 to 600
ohms at >120dB dynamic range
- Highest Quality Parts like ELNA ROB capacitors
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Esprit USB DAC Specifications: |
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- USB & analog playback and record multimedia audio
system.
- Connectivity: USB B interface, analog input/output on
RCA jacks, optical input/output Toslink jacks, coaxial input
RCA jack.
- USB Playback Resolution : 24bit/96KHz
- USB Recording Resolution: 16 / 24 bit Resolutions
supported
- Sampling : 8 /16 /32 /44.1 /48 / 88.2 /96 KHz sampling rates
supported, 192kHz/24-bit DAC and ADC
- SPDIF Playback Resolution : 24/192
- Sampling : 8 /16 /32 /44.1 /48 /88.2 /96 /176.4/ 192 KHz
sampling rates supported
- Frequency response: 20Hz ~ 20kHz (±0.5 dB)
- S/N ratio: -95dB (A-wtd) / Line Output
- Max. Line Output Level: 7.5 Vrms (THD<1%)
- THD: Line Input < 0.01% , Digital Input <0.05%
- Headphone Max. Output Level: 200mW/32 ohm s ( THD<1% )
- Power Supply AC Adaptor Rating: DC 15V/0.8A
- Dimensions: 150 (W) x 141 (D) x 57 (H) mm
- Weight: 900g Approx.
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ADL Cruise USB 24/96 Headphone DAC-
$540. |
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Review: |
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http://wwwfurutechcom/a2008/reviewcasp?r1_no=85&r2_no=577 |
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It delivers thrilling sound to match its gorgeous appearance
Whether you’re using iTunes for low-bit-rate downloads or high
resolution music files just connect your computer to the Cruise
with one of our matching ADL Formula 2 USB cables or the new
i-D35SP analog stereo cables When you’re on the road plug your
music player’s analog headphone output into the line input of
the Cruise and open the player’s volume to maximum and use the
volume control on the Cruise For higher resolution all-digital
signals simply connect the Cruise to your computer’s USB port
The USB port charges the battery and you can listen to music
while it’s charging! |
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Features: |
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- Mega performance, Furutech takes what’s there and makes
it better!
- Beautifully finished, lustrous carbon fiber body and
mirror-polish nonmagnetic stainless steel panel
- Fits in the palm of your hand, enjoy your music anywhere
- High quality volume control (front) and On/Off switch
(rear)
- Gold-plated 35mm analog line input (switched) or
gold-plated USB digital input for PC audio (Phone jack
overrides output from USB mini-B interface on rear panel)
- Runs on USB power or an AC/DC switching power adapter
that recharges battery
- High performance headphone amplifier drives 12 to 600
ohm headphones
- Gold-plated circuitry on high quality printed circuit
board
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Front Controls and Indicators: |
- HEADPHONES OUTPUT: 35mm phone jack
- LINE INPUT: 35mm switched phone jack
- VOLUME: Rotary type variable resistor
- One dual color RED and BLUE LED: BLUE indicates Power On
/ RED indicates Battery Low Voltage
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Rear Panel: |
- MASTER POWER ON/OFF
- USB: 1 USB mini-B Type
- Internal DC37V, 940mAh Li-ion Type 14650
Rechargeable Battery
- Charging Indicators: One dual-color RED and GREEN
LED: RED indicates Charging / GREEN indicates Full Charge
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Cruise Portable headphone amplifier Specifications |
Output Jack: 35mm Phone Jack x 1
Headphone Output Level (Max): 1%THD 1kHz
78mW (12 ohm) 94mW (16 ohm) 110mW (32 ohm) 986mW (56 ohm) 23mW
(300 ohm) 16mW (600 ohm) |
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Frequency Response: |
Line in: 20Hz~20kHz (±05dB) headphone output
USB in: 20Hz~20kHz (±05dB) headphone output
Channel Separation: 60dB (1KHz)
Total Harmonic Distortion: 002% (Line Input 1KHz)
Input Jack: Line In (35mm switched Phone Jack) x 1,
USB In (mini B type) x 1 |
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Signal to Noise Ratio : |
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Line in: 100dB (A-Weighted) |
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