This is the original Unison USB version! Bought this straight from the Schitter demo floor. This is the highest end DAC they have with many preferring the original versions tuned by Mike Moffat. But overall, she looks fantastic! Pic is for ref only! Introducing the Schiit Audio Yggdrasil OG DAC, a top-of-the-line power amplifier with USB audio inputs. This model is a floor model directly from Schitter, and boasts of analog features. It is a great addition to your home audio system, providing exceptional sound quality and versatility. Perfect for music enthusiasts and audiophiles who want to elevate their listening experience.

Audio-Gd R2R R-1 Ladder DAC. This is the 2021 model. Fabulous sounding DAC! I am the second owner. No issues with it. I enjoyed this thoroughly but am upgrading my system. Comes only with power cable. Previous owner purchased direct from Underwood HiFi. Message with questions. Best review Ive seen was from below:https://headphone.guru/audio-gd-r2r-1-fpga-pcm-dsd-dac-done-right/ For additional information and any owners manual/details:http://www.audio-gd.com/R2R/R121/R121EN.htm

Audio-Gd R2R R-1 Ladder DAC. This is the 2021 model. Fabulous sounding DAC! I am the second owner. No issues with it. I enjoyed this thoroughly but am upgrading my system. Comes only with power cable. Previous owner purchased direct from Underwood HiFi. Message with questions. Best review Ive seen was from below:https://headphone.guru/audio-gd-r2r-1-fpga-pcm-dsd-dac-done-right/ For additional information and any owners manual/details:http://www.audio-gd.com/R2R/R121/R121EN.htm

Audio-Gd R2R R-1 Ladder DAC. This is the 2021 model. Fabulous sounding DAC! I am the second owner. No issues with it. I enjoyed this thoroughly but am upgrading my system. Comes only with power cable. Previous owner purchased direct from Underwood HiFi. Message with questions. Best review Ive seen was from below:https://headphone.guru/audio-gd-r2r-1-fpga-pcm-dsd-dac-done-right/ For additional information and any owners manual/details:http://www.audio-gd.com/R2R/R121/R121EN.htm

I am the second owner of this device. Bought it from original owner in 2019 and has been my daily driver ever since. The device is in great working condition and overall is well-maintained. Will come with power and USB cable. As shown last couple pictures: 1) Minor scratch on bottom surface not visible during use 2) Barely visible hairline scratches on volume knob - really have to play around with the lighting and angle to catch it Note: requires 1/4” end to connect to DAC/AMP

This listing is for. used GDA-600 Digital to Analog Converter. The unit powers up but has not been tested. DAC TYPE: Selected R-2R Burr-Brown PCM-63 Sold As-Is. Included Items:ManualLine Cord -----See associated Listing:ADCOM GSA-700https://www.ebay.com/itm/196077271453 ADCOM GDD-1https://www.ebay.com/itm/196077192654

Audio-GD NFB-12 DAC / Headphone Amplifier w/ Power This item is pre-owned and may show some slight signs of wear due to normal use. This item is in good condition overall. Tested and is 100% fully functional. Please look at the photos to make your own determination of this items condition

Schiit Audio Yggdrasil LIM Digital to Analog Converter DAC Excellent like new condition!!!On Oct-20-23 at 22:27:41 PDT, seller added the following information: Just to clarify this is NOT the CURRENT + version with the remote, It’s the generation before it.

Selling Schitt Yggdrasil OG2 with Unision USB , upgraded at Schiit about 4-5 months ago , sound amazing, better than more expensive units. Item looks and sound fantastic (see pictures). Item comes with original box and power cable. All sales are final. No returns accepted. No international bids accepted. I will only ship inside of the United States. Shipping cost will be $80 via USPS priority mail. Good luck bidding on this great sounding dac.

Audio-gd NFB-10SE Dac/Amp. This Dac/Preamp/Headphone amp combo unit is in perfect working condition with some minor cosmetic blemishes that do not affect the performance. This particular unit does require 240v input, but that can easily be fixed with a voltage step up converter.NFB means Non-FeedBack. NFB-10SE uses the latest high-end “Dual WM8741” which can support up to 32Bit/192KHz input. Similar to other WM8741 designs, NFB-10SE applies Non-feedback ACSS output stage. The “Dual WM8741” feeds to the ACSS output stage without any Operational Amplifier (OPA) so it can achieve very neutral sound. The ACSS technology is a non-feedback technology made with fully discrete amplifiers. Most people know that the global feedback design offers better specifications in measurements than non-feedback design. However, non-feedback design offers better sound for human ears, which is a drawback of the conventional circuits. But the ACSS technology opens a new era, it offers the least coloration sound which is very neutral with very low distortion and high linearity. It retains the dynamics, details and neutrality but does not sound bright or harsh. The output buffers are also non-feedback. In order to maintain low impedance, we applied a diamond output stage which is quite less colored than most conventional circuits. The analog stage does not use couple cap to avoid coloration. The 32bit/192KHz USB interface outputs an I2S signal to the “Dual WM8741”. NFB-10SE applies the WM8805 as the SPDIF interface; its sound characteristic is the same as the WM8741, which is detailed and smooth and supports up to 192KHz. The WM8805 has quite low jitter (50PS). Output impedance ?2 ohm Output Level ? Headphone output : 19V RMS (balanced , max) Preamp Variable output (balanced) : 10V RMS (max) Preamp Variable output (RCA) : 5V RMS (max) Fixed output (balanced): 5V RMS Fixed output (RCA): 2.5V RMS ACSS? 2MA+2MAHeadphone amp output power level (Only for headphone.) Balanced mode 9950MW / 25 ohm 5950MW / 50 ohm 3300MW / 100 ohm 1150MW / 300 ohm 590MW / 600 ohm ?Headphone amp output power level (Only for headphone.) Single-ended mode ?3300MW / 25 ohm 1650MW / 50 ohm 850MW / 100 ohm 300MW / 300 ohm 150MW / 600 ohmInput Sensitivity 0.5 Vp-p (75 Ohms, Coaxial) 19 dBm (Optical) USB1.1 USB2.0 (Full Speed, Class2) ?Frequency Response 20Hz - 20KHz ?-0.2DB? ? Support Operate Systems (USB) ? 44.1kHz to 192kHz?Support Sampling USB model : 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz Coaxial model: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 192kHz Optical model: 44.1kHz, 48kHz, 88.2kHz, 96kHz ?Power Requirement 220-240V AC 50/60 Hz ?Power Consumption 17W ?Package Weight Approximately 5KG ? Dimensions ?W240 X L360 X H80 mm (Fully aluminum) Accessories AC power cord X1 ?

I’m selling my Yggy OG2 with Unision USB , upgraded at Schiit about 4-5 months ago , sound amazing, better than more expensive units , I also have components OG original and if you like I can give you for free , trying to cut my inventory Thank you for interesting!

Perfect working condition. Sounds great. Super powerful works on lots of headphones. 2020 version. A few scratches on top. Comes with aluminum remote. Comes with 1m ACSS cable. Comes with metallic high quality Audio GD remote Femtosecond Accusilicon upgrade the stock clock and Femtosecond Crystek *2 upgrade on USB interfaceSabre ES9038Pro

Used, has a good amount of wear and tear as seen in pictures. Works great, have been using it the last several years without any issue. Power cord included. Please message with any questions

Schiit Yggrasil DAC upgrade cards. Less is More (LiM DAC8812). Original packaging... contains 2 analog upgrade cards and firmware upgrade chip. See https://www.schiit.com/products/yggy-upgrades No installation (of course) Thanks!

2018 edition. Real ladder DAC with NOS functionality. In nice shape, but the screws in the top panel show some signs of wear from the first time I rearranged the jumper configuration. Comes double boxed with all accessories. Original product page (http://audio-gd.com/R2R/R2R1/R2R1EN_Use.htm)

I am selling my Schiit Audio Yggdrasil OG DAC with Unison USB. It is in excellent condition. It comes with the original box and packaging. I am selling it to raise funds for a new DAC.

Audio Gd 28-38 Amplificatore/Dac Cuffie ( Full upgrade ) 2023. Condizioni 10/10 pari al nuovo con imballo e accessori originali + telecomando in metallo , documento di acquisto Gennaio 2023 , listino 950 euro

Audio-GD NFB-12 DAC / Headphone Amplifier w/ Power This item is pre-owned and may show some slight signs of wear due to normal use. This item is in good condition overall. Tested and is 100% fully functional. Please look at the photos to make your own determination of this items condition

Audio-GD – NFB-11.28 Kopfhörerverstärker mit DAC - DEFEKTSabre ES9028Pro Dac-ChipEingang über USB, coaxial oder optischAusgang über Cinch oder 6,35mm Kopfhörerbuchse (mit ordentlich Leistung auch für hochohmige Kopfhörer!)geliefert wird das Gerät mit Netzstecker Das Gerät wird als DEFEKT angeboten, da es sich seit kurzem einfach abschaltet und dann entweder sofort, nach ein paar Sekunden oder nach leichtem Ruckeln am Netzstecker wieder startet und normal weiterläuft (bis zum nächsten Aussetzer). Ein Wackelkontakt? Für elektronisch versierte Bastler bestimmt interessant!

The venerated and now hard to find NFB-11.28. This is an amazing all in one unit that greatly simplified my desk. Work life is changing, so this unit needs to find a new home. The unit has some marks on it. In some cases the switches are a bit slow to respond, but they do eventually kick over. This unit is wired for 240v, but Im including a high quality grounded step up converter which means that wont be a problem. This includes two power cables and a USB cable (not pictured).

Transform your digital audio into high-quality analog signals with the ADCOM GDA-600 Digital to Analog Converter AUDIO DAC. Designed to deliver superior sound the GDA-600 was manufactured in the United States between 1994 and 1996, and weighs 12 lbs. Unit has been tested and is fully functional. The face is very clean. There are some light scratches to the top (see photos). A power cord is included. GDA-600 The GDA-600 Digital to Analog Converter brings you closer to the reality - and to the astonishing potential - of digital sound by controlling the inherent distortions and design compromises evident in most digital sources. In keeping with a successful begin with the basics approach, Adcoms engineers carefully re-thought the power supply used in this exciting new product. Isolated on its own circuit board, it incorporates a bi-directional AC filter, two transformers, seven separate stages and 27 filter capacitors to increase circuit isolation and minimize noise and unwanted interference. An industry acclaimed Crystal Semiconductor receiver, custom-configured for minimum jitter, forms the front end for conversion circuitry that includes a high speed digital filter and dual selected Burr-Brown 20 bit ladder-type DACs. Each units master clock duty cycle is individually computer-calibrated to insure the highest accuracy. Linear phase anti-imaging filters, 1% metal film resistors and Adcoms proprietary linear gain amplifiers give exceptional analog performance. Again, individual calibration assures minimal DC offset. The GDA-600s flexibility is assured by four impedance-matched inputs: three S/PDIF inputs (two coaxial, one optical) and an AES/EBU XLR input. A buffered S/PDIF output lets you record entirely in the digital domain. Compliance with stringent FCC Rule 15 standards assures minimum RF and EMI emissions and the highest levels of compatibility with other high performance components in an audio-only or an audio/video home entertainment system. The GDA-600 is truly an example of Adcoms forward-thinking engineering where low jitter design, Class A analog circuitry and Adcoms dedication to the highest quality, custom-configured electronic parts combine for a groundbreaking improvement in digital sound. Adcom GDA-600 Technical Specifications DIGITAL Input format.....S/PDIF, AES/EBU Input type S/PDIF Coax (RCA x 2) S/PDIF Optical (Toslink® x 1) AES/EBU (XLR X 1) Input isolation.....Transformer coupled Input decoding.....Crystal CS 8412 receiver Digital output.....S/PDIF Coax (RCA X 1) Digital filter.....Burr-Brown Linear Phase Resampling rate 8x (352.8kHz for 44.1 kHz input) DAC type.....Selected R-2R Burr-Brown PCM-63 Resolution.....20 bits Phase inversion.....Digital domain (manual selection) ANALOG Frequency response.....+ 0, - 0.5 dB (DC - 20kHz) THD 0.009% (20 Hz - 20kHz, full scale) 0.002% (1 kHz, full scale) Signal to noise ratio 106dB (20Hz - 20kHz, unweighted) >112 dB (20Hz - 20kHz, A wtg.) Dynamic range.....98dB Channel-to-channel crosstalk 106dB (20Hz-20kHz) 112dB (1kHz) Output voltage.....2.234 V RMS (full scale) Output impedance.....77 ohms Output type.....Single ended (RCA x 2) Output mute.....Relay activated (Power, Unlock) GENERAL Power requirements 97 - 132 VAC, 50/60 Hz 220-240VAC,50/60Hz Power consumption (nominal).....15watts at 120VAC Fuse.....3/8 amp, Slow blow Dimensions 17(432mm) x 3 1/2(89mm) x 10 1/2(267mm) Shipping weight.....12 lb.

Audio Gd Singularity 19 Neutral DAC R2R 4x DA-M1 32bit/384Khz USB Amanero. Ce DAC de confection vraiment sérieuse à transfigurer mon installation d’écoute au casque sur mon ensemble STAX. Le produit est comme neuf (juste une vis un peu abîmé) Je m’en sépare car je n’écoute plus aussi souvent qu’avant. Vendu dans son carton d’origine. Belle expérience d’écoute, ce DAC viendra métamorphoser votre installation audio. Voir sur internet, les avis à son sujet ne manque pas. ????

This Audio-GD Compass Headphone Amp DAC Pre-Amp is a great addition to your home audio setup. It has both analog and digital features, making it versatile for different audio sources. The black color of this unit adds a sleek look to your setup while the RCA audio outputs provide great sound quality. Made in China, this Audio-GD Compass is a must-have for music lovers who want an excellent audio experience. Condition is used as pictured and sold as is.