Woo Audio Wa2 Rohr Kopfhörer Verstärker 6080 6922Das Datenblatt dieses Produkts wurde ursprünglich auf Englisch verfasst. Unten finden Sie eine automatische Übersetzung ins Deutsche. Sollten Sie irgendwelche Fragen haben, kontaktieren Sie uns.Woo Audio Vakuumröhren-Kopfhörerverstärker WA2.Guter Zustand, keine auffälligen Kratzer.Es sind Kratzer usw. vorhanden.6080, 6922, 6CA4 werden für Vakuumröhren verwendet.Single-Ended-Klasse-A-Verstärker.Er/sie erfüllt ein solides Gefühl und ein Gefühl der Eigenverantwortung.Bitte verwenden Sie es in Kombination mit High-End-Kopfhörern und DAC.ZahlungSeien Sie versichert, dass unser Shop eine Vielzahl von Zahlungsmethoden anbietet.Bitte zahlen Sie innerhalb von 5 Tagen nach Auktionsende.Über unsWir befinden uns in Japan. Überprüfen Sie für elektrische Produkte den Hersteller und das Produkt und rechnen Sie die Spannung in das jeweilige Land um. Wir planen den Versand per FedEx oder DHL. Bitte kontaktieren Sie uns, da sich die Versandkosten in einigen Fällen ändern können. Es ist uns eine Freude, Sie glücklich zu machen, indem wir Ihnen unseren empfohlenen Artikel vorschlagen.Wenn Sie Fragen oder Wünsche zu Artikeln haben, wenden Sie sich bitte an uns.Internationale Käufer – Bitte beachten Sie:-Einfuhrzölle, Steuern und Gebühren sind nicht im Artikelpreis oder den Versandkosten enthalten. Diese Gebühren liegen in der Verantwortung des Käufers.- Bitte erkundigen Sie sich vor dem Bieten/Kauf beim Zollamt Ihres Landes, wie hoch diese zusätzlichen Kosten sein werden.-Diese Gebühren werden normalerweise von der liefernden Spedition (Versandfirma) oder bei der Abholung des Artikels erhoben – verwechseln Sie sie nicht mit zusätzlichen Versandkosten.-Wir kennzeichnen Warenwerte nicht unter dem Wert und kennzeichnen Artikel nicht als Geschenke. Die Vorschriften der US-amerikanischen und internationalen Regierung verbieten ein solches Verhalten.]]>Wir befinden uns in Japan. Überprüfen Sie für elektrische Produkte den Hersteller und das Produkt und rechnen Sie die Spannung in das jeweilige Land um. Wir planen den Versand per FedEx oder DHL. Bitte kontaktieren Sie uns, da sich die Versandkosten in einigen Fällen ändern können. -Einfuhrzölle, Steuern und Gebühren sind nicht im Artikelpreis oder den Versandkosten enthalten. Diese Gebühren liegen in der Verantwortung des Käufers. -Diese Gebühren werden normalerweise von der liefernden Spedition (Versandfirma) oder bei der Abholung des Artikels erhoben – verwechseln Sie sie nicht mit zusätzlichen Versandkosten. -Wir kennzeichnen Warenwerte nicht unter dem Wert und kennzeichnen Artikel nicht als Geschenke. Die Vorschriften der US-amerikanischen und internationalen Regierung verbieten ein Wir befinden uns in Japan. Überprüfen Sie für elektrische Produkte den Hersteller und das Produkt und rechnen Sie die Spannung in das jeweilige Land um. Wir planen den Versand per FedEx oder DHL. Bitte kontaktieren Sie uns, da sich die Versandkosten in einigen Fällen ändern können. -Einfuhrzölle, Steuern und Gebühren sind nicht im Artikelpreis oder den Versandkosten enthalten. Diese Gebühren liegen in der Verantwortung des Käufers. -Diese Gebühren werden normalerweise von der liefernden Spedition (Versandfirma) oder bei der Abholung des Artikels erhoben – verwechseln Sie sie nicht mit zusätzlichen Versandkosten. -Wir kennzeichnen Warenwerte nicht unter dem Wert und kennzeichnen Artikel nicht als Geschenke. Die Vorschriften der US-amerikanischen und internationalen Regierung verbieten ein Unit Quantity NA Unit Type NA MPN NA Country Japan Brand No Brand UPC NA Country/Region of Manufacture NA California Prop 65 Warning NA Model NA Type Tube Amplifier

This is for a used Woo Audio WA3 OTL headphone amplifier. The amp is in great shape and functions perfect. Includes:WA3 AmpPair of Electro-Harmonix 6922 driver tubesJAN 6080 Power TubeRCA 6AS7G Power TubeTung-Sol 7236 driver tubeTung-Sol 5998 All the tubes only have a few hours of use on them. The Tung-Sol 5998 has something that rattles in the base of the tube, I am not sure what it is but it was the tube I used the most and everything worked fine with it. CONUS Only, Will be shipped via Fedex, No P.O. Boxes.

Incredible Woo Audio WA7 Fireflies in pristine condition. Largely unused since I purchased a few years, so trying to find it a new home where itll get more use! Museum-grade Beauty and SimplicityThis is possibly the most linear DAC and headphone amp Ive heard, notes Positive Feedback in a review of the original-model WA7. The WA7 is practically a steal in terms of sound quality and physical presentation, raves HP Soundings.The WA7 is a thing of museum-grade beauty and simplicity, says Ken Rockwell.Theres No Better ChoiceFor anyone wanting a high-performance, compact and aesthetically pleasing ... head-phone audio system, theres no better choice than the WA7, says Tone Audio in a review of the original-model WA7. The WA7 was voted the Best DAC by Lifehacker, which notes, WA7 Fireflies are fully featured DACs with world-class vacuum tube amplifiers. The Fireflies is very highly recommended for anyone buying their first, or even possibly their last, reference amplifier, raves Dagogo.

It is in good condition with no noticeable scratches. There is some chafing. ??Please check the size before purchasing to save your precious time and effort in Returning.Thank you. SHIPPING:FREE International Buyers - Please Note:?Import duties, taxes and charges are not included in the item priceor shipping charges. These charges are the buyer’s responsibility.?Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying.?These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them for additional shipping charges.Thank you.

Please note: - The glass broke from one piece, not available and hence not pictured - Scratch down the side of the amplifier - Not working currently: believe an issue with a fuse in the tube (this is why listed as for parts) High Performance 100% Vacuum Tube Design Headphone Amplifier with DAC24-Bit, 384kHz ESS SABRE DAC for high resolution audio playbackUltra quiet 1/4 and 3.5mm (for IEM) headphone outputs, Hi/Lo Impedance switchMulti-functional switch for USB input, RCA input, and RCA output for D/A mode Silver color, High clarity glass top for tubes protectionWith WA7tp (valve power supply) upgrade. The Woo Audio WA7 Fireflies (2nd gen) Amp/DAC is a combination of high performance valves headphone amplifier with a built-in USB Digital-to-Analog Converter. It is a pure valve design, utilizing 6C45 valves in a class-A, single-ended topology, with transformer coupled outputs. There are no semiconductors used in the entire signal path. The D/A converter is designed to be capable of up to 24-bit/384kHz 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, an external 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 outputting up to 1w of power 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.

Used Woo Audio WA 2 Tube Headphone Power Amplifier International Buyers - Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.

This is the Woo Audio WA6 headphone amplifier in excellent condition. Item may show some signs of use. Item will come with various tubes and power cord. I will only ship to buyers within the USA. Happy bidding!

In excellent condition, no defects whatsoever besides dust/fingerprints from handling and storage. Was purchased from Audio Vision in San Francisco. Will come with all accessories in the original box (power adapter, usb cable, pelican carrying case, original paperwork).

Ich biete meinen Woo Audio WA6 (2nd Gen) silver zum Verkauf. Mit dabei ist das Standard Röhren-Set und ein Par Vintage RCA 13DE7 Tubes. Der Verstärker kommt in Originalverpackung. Privatverkauf. keine Gewährleistung. keine Rücknahme. Versand nur innerhalb Deutschlands.

Woo Audio WA8 EclipseExcellent / mint condition. Works and looks like new.I am the original owner.This unit has very few hours and was gently handed/used.Fully tested and works perfectly as designed. Included items:Original boxPower Adapter and ChargerUSB cable, Carabiner,Pelican carry case, Original guideand Downloaded Owner Manual from Woo Audio Auction is CONUSA only.

Incredible Woo Audio WA7 Fireflies in pristine condition. Largely unused since I purchased a few years, so trying to find it a new home where itll get more use! Museum-grade Beauty and SimplicityThis is possibly the most linear DAC and headphone amp Ive heard, notes Positive Feedback in a review of the original-model WA7. The WA7 is practically a steal in terms of sound quality and physical presentation, raves HP Soundings.The WA7 is a thing of museum-grade beauty and simplicity, says Ken Rockwell.Theres No Better ChoiceFor anyone wanting a high-performance, compact and aesthetically pleasing ... head-phone audio system, theres no better choice than the WA7, says Tone Audio in a review of the original-model WA7. The WA7 was voted the Best DAC by Lifehacker, which notes, WA7 Fireflies are fully featured DACs with world-class vacuum tube amplifiers. The Fireflies is very highly recommended for anyone buying their first, or even possibly their last, reference amplifier, raves Dagogo.

Woo Audio Wa2 Tubo Cuffie Amplificatore 6080 6922Questo foglio informativo sul prodotto è stato originariamente stilato in lingua inglese. Si prega di consultare appresso una traduzione automatica dello stesso in lingua italiani. Per ogni domanda, si invita cortesemente a contattarci.Woo Audio amplificatore per cuffie valvolare WA2.Buone condizioni, nessun graffio evidente.Ci sono graffi ecc.6080, 6922, 6CA4 sono utilizzati per tubi a vuoto.Amplificatore single-ended in classe A.Soddisfa un sentimento solido e un senso di proprietà.Si prega di usarlo in combinazione con cuffie e DAC di fascia alta.PagamentoSiate certi che il nostro negozio offre una varietà di metodi di pagamento.Si prega di pagare entro 5 giorni dal termine dellasta.Chi siamoCi troviamo in Giappone. Per i prodotti elettrici, controllare il produttore e il prodotto e convertirli alla tensione di ciascun paese. Prevediamo di spedire tramite FedEx o DHL. Vi preghiamo di contattarci poiché in alcuni casi le spese di spedizione possono essere modificate. È nostro piacere renderti felice proponendoti il ??nostro articolo consigliato.Se hai domande o richieste sugli articoli, non esitare a chiederci.Acquirenti internazionali - Nota:-I dazi doganali, le tasse e le spese non sono inclusi nel prezzo dellarticolo o nelle spese di spedizione. Queste spese sono a carico dellacquirente.-Si prega di verificare con lufficio doganale del proprio paese per determinare quali saranno questi costi aggiuntivi prima dellofferta/acquisto.-Queste spese vengono normalmente riscosse dalla società di spedizione (spedizione) o al momento del ritiro dellarticolo - non confonderle con spese di spedizione aggiuntive.-Non contrassegniamo i valori della merce al di sotto del valore né contrassegniamo gli articoli come - regali - Le normative governative statunitensi e internazionali vietano tale comportamento.]]>Ci troviamo in Giappone. Per i prodotti elettrici, controllare il produttore e il prodotto e convertirli alla tensione di ciascun paese. Prevediamo di spedire tramite FedEx o DHL. Vi preghiamo di contattarci poiché in alcuni casi le spese di spedizione possono essere modificate. -I dazi doganali, le tasse e le spese non sono inclusi nel prezzo dellarticolo o nelle spese di spedizione. Queste spese sono a carico dellacquirente. -Queste spese vengono normalmente riscosse dalla società di spedizione (spedizione) o al momento del ritiro dellarticolo - non confonderle con spese di spedizione aggiuntive. -Non contrassegniamo i valori della merce al di sotto del valore né contrassegniamo gli articoli come - regali - Le normative governative statunitensi e internazionali vietano tale comportam Unit Quantity NA Unit Type NA MPN NA Country Japan Brand No Brand UPC NA Country/Region of Manufacture NA California Prop 65 Warning NA Model NA Type Tube Amplifier

Woo Audio Wa2 Rohr Kopfhörer Verstärker 6080 6922Das Datenblatt dieses Produkts wurde ursprünglich auf Englisch verfasst. Unten finden Sie eine automatische Übersetzung ins Deutsche. Sollten Sie irgendwelche Fragen haben, kontaktieren Sie uns.Woo Audio Vakuumröhren-Kopfhörerverstärker WA2.Guter Zustand, keine auffälligen Kratzer.Es sind Kratzer etc.6080, 6922, 6CA4 werden für Vakuumröhren verwendet.Single-Ended-Klasse-A-Verstärker.Er/sie erfüllt ein solides Gefühl und ein Gefühl der Eigenverantwortung.Bitte verwenden Sie es in Kombination mit High-End-Kopfhörern und DAC.ZahlungSeien Sie versichert, dass unser Shop eine Vielzahl von Zahlungsmethoden anbietet.Bitte zahlen Sie innerhalb von 5 Tagen nach Auktionsende.Über unsWir befinden uns in Japan. Überprüfen Sie für elektrische Produkte den Hersteller und das Produkt und rechnen Sie die Spannung in das jeweilige Land um. Wir planen den Versand per FedEx oder DHL. Bitte kontaktieren Sie uns, da sich die Versandkosten in einigen Fällen ändern können. Es ist uns eine Freude, Sie glücklich zu machen, indem wir Ihnen unseren empfohlenen Artikel vorschlagen.Wenn Sie Fragen oder Wünsche zu Artikeln haben, wenden Sie sich bitte an uns.Internationale Käufer – Bitte beachten Sie:-Einfuhrzölle, Steuern und Gebühren sind nicht im Artikelpreis oder den Versandkosten enthalten. Diese Gebühren liegen in der Verantwortung des Käufers.-Bitte erkundigen Sie sich beim Zollamt Ihres Landes, welche zusätzlichen Kosten vor dem Bieten/Kaufen anfallen.- Diese Gebühren werden normalerweise von der liefernden Spedition (Spedition) erhoben oder wenn Sie den Artikel abholen - verwechseln Sie sie nicht mit zusätzlichen Versandkosten.- Wir kennzeichnen Warenwerte nicht unter Wert oder Artikel als - Geschenke - Die US-amerikanischen und internationalen Regierungsvorschriften verbieten ein solches Verhalten.]]>Wir befinden uns in Japan. Überprüfen Sie für elektrische Produkte den Hersteller und das Produkt und rechnen Sie die Spannung in das jeweilige Land um. Wir planen den Versand per FedEx oder DHL. Bitte kontaktieren Sie uns, da sich die Versandkosten in einigen Fällen ändern können. -Einfuhrzölle, Steuern und Gebühren sind nicht im Artikelpreis oder den Versandkosten enthalten. Diese Gebühren liegen in der Verantwortung des Käufers. -Bitte erkundigen Sie sich beim Zollamt Ihres Landes, welche zusätzlichen Kosten vor dem Bieten/Kaufen anfallen. - Diese Gebühren werden normalerweise von der liefernden Spedition (Spedition) erhoben oder wenn Sie den Artikel abholen - verwechseln Sie sie nicht mit zusätzlichen Versandkosten. - Wir kennzeichnen Warenwerte nicht unter Wert oder Artikel als - Ges Unit Quantity NA Unit Type NA MPN NA Country Japan Brand No Brand UPC NA Country/Region of Manufacture NA California Prop 65 Warning NA Model NA Type Tube Amplifier

Woo Audio vacuum tube headphone amplifier WA2.Good condition, no noticeable scratches.There are scratches etc.6080, 6922, 6CA4 are used for vacuum tubes.Single-ended class A amplifier.He/she satisfies a solid feeling and a sense of ownership.Please use it in combination with high-end headphones and DAC. PaymentRest assured that our store offers a variety of payment methods.Please pay within 5 days after auction is finished. About UsWe are located in Japan.For electrical products, check the manufacturer and product and convert to the voltage of each country.We plan to ship by FedEx or DHL.Please contact us as the shipping fee can be changed in some cases. Its our pleasure to make you happy by proposing our recommend item.If you have any questions or request about items, please feel free to ask us. International Buyers - Please Note:-Import duties, taxes, and charges are not included in the item price or shipping charges. These charges are the buyers responsibility.-Please check with your countrys customs office to determine what these additional costs will be prior to bidding/buying.-These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them for additional shipping charges.-We do not mark merchandise values below value or mark items as - gifts - The US and International government regulations prohibit such behavior.]]>

One month old Woo Audio WA7e Fireflies Electrostatic headphone amp in as near to perfect condition as it gets. No flaws that I can notice on the amp or top glass. Comes with all factory accessories in the original double box with very safe packing materials. I purchased by mistake not realizing that this amp is ONLY for electrostatic headphones, so my ignorance is your gain! This is the lowest price on the planet for this stunning and unique tube amplifier with built in ESS Sabre DAC (by-passable by simply using the rear RCA inputs) and very handy rear preamp output as well. This amp currently retails for $1399, so my asking price is indeed a steal!I will ship to the continental US only. As always all sales are final.Please do check my Ebay feedback and buy with absolute confidence!

Normal 0 21 false false false BG X-NONE X-NONE For sale is a Woo Audio WA11 Topaz Portable Headphone Amplifier / DAC incl. WA11 Unity Smart Case. The WA11 Topaz is a battery-powered, fully-balanced headphone amplifier and DAC running in a Class-A topology. It is capable of driving the most demanding full-size headphones (e.g. Abyss Diana, HiFiMan Susvara etc.) while maintaining an ultra-low noise floor for reference in-ear monitors. The DAC is an ESS Sabre that can decode PCM up to 24-bit/384kHz and up to DSD128. In few words, an immensely powerful portable unit, that can rival any all-in-one desktop alternative. The WA11 that Im selling is in excellent working and good visual condition, with some marks visible on the photos. Comes with a sleeve, charger, USB-A to USB-C cable, short USB-C to USB-C OTG cable and a WA11 Unity Smart Case. Please note – the case doesn’t include the custom headphone case part and has some marks on its bottom side (due to a non-supported phone being glued to it), but is extremely robust and fully functional. Original box is not present, but Ill pack everything extremely well. From a pet free, non smoking home. Will dispatch the unit tracked and fully insured either the same, or the next working day. Economy (via GLS) and standard (via DHL ground) shipping usually takes about a week, while Express delivery via DHL (air shipping) arrives in 1-2 business days (please dont pay attention to eBay estimates - they are assigned automatically and theres no way to edit them). In some cases, standard service might actually be cheaper than the economy one, so do pay attention at checkout. Condition and serial number are documented and recorded, so scammers - dont waste your time here. Please purchase only if you have 10+ feedback, or contact me prior placing your order. All of my perfect eBay feedback comes from selling expensive headphone gear, so buy with absolute confidence!Feel free to check my other listings as well. And last but not least, thanks for looking!

Only one month old - very low use - no marks or blemishes - includes all original packaging. Released on February 2023 Compatible with electrostatic headphones from Audeze, STAX, HiFiMan, Dan Clark Audio and others Compatible with Apple iPhone/iPad, Android devices, Mac and Windows computers, how-to video LEARN MORE Tubes: 12AU7 / 5963 driver tubes, self-biasing Premium Polytetrafluoroethylene (PTFE) tube sockets ESS SABRE Audiophile DAC up to 24-bit/384kHz PCM, and up to DSD256 (11.2MHz) 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 High-retention USB connector x 1 RCA analog Input x 1 Frequency response: 15-40kHz, -3dB Signal-to-noise ratio: 100 dB Tube preamplifier function (PRE-OUT): - 4.4mm (5-pole) by Pentaconn by NIPPON DICS balanced pre-out output (recommended) - 3.5mm (1/8”) stereo pre-out Anodized aluminum chassis, available in midnight black or platinum silver External dimensions with glass: 5.25 (H) x 4.8 (W) x 6 (D) Weight: 9 lbs (4.1kg) Internal linear power supply Operating AC voltage: 115v – 230v (voltage below 115v requires step up transformer) Designed and assembled in New York, USA

Item DescriptionWoo Audio Wa2 Tube Headphone Amplifier 6080 6922ShippingDomestic Shipping(United States)Expedited shippingFreeShippingInternational ShippingStandard International Flat Rate ShippingShipping Cost : $0.00Europe, Asia, Canada, United Kingdom, China, Mexico, Germany, France, AustraliaStandard International Flat Rate ShippingShipping Cost : $30.00Worldwide, Americas, BrazilPayment eBay Managed PaymentOther Term International Buyers Please Note: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding/buying. These charges are normally collected by the delivering freight (shipping) company or when you pick the item up -?do not confuse them for additional shipping charges. We do not mark merchandise values below value or mark items as gifts - US and International government regulations prohibit such behavior. If you live in a remote area, there may be additional shipping charges. Thank you for your understanding.

Incredible Woo Audio WA7 Fireflies in pristine condition. Largely unused since I purchased a few years, so trying to find it a new home where itll get more use! Museum-grade Beauty and SimplicityThis is possibly the most linear DAC and headphone amp Ive heard, notes Positive Feedback in a review of the original-model WA7. The WA7 is practically a steal in terms of sound quality and physical presentation, raves HP Soundings.The WA7 is a thing of museum-grade beauty and simplicity, says Ken Rockwell.Theres No Better ChoiceFor anyone wanting a high-performance, compact and aesthetically pleasing ... head-phone audio system, theres no better choice than the WA7, says Tone Audio in a review of the original-model WA7. The WA7 was voted the Best DAC by Lifehacker, which notes, WA7 Fireflies are fully featured DACs with world-class vacuum tube amplifiers. The Fireflies is very highly recommended for anyone buying their first, or even possibly their last, reference amplifier, raves Dagogo.

Used Woo Audio WA 2 Tube Headphone Power Amplifier International Buyers - Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.

It is in good condition with no noticeable scratches. There is some chafing. ??Please check the size before purchasing to save your precious time and effort in Returning.Thank you. SHIPPING:FREE International Buyers - Please Note:?Import duties, taxes and charges are not included in the item priceor shipping charges. These charges are the buyer’s responsibility.?Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying.?These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them for additional shipping charges.Thank you.

Verkaufe eine Woo Audio WA6-SE Röhrenkopfhörerverstärker. Das Gerät läuft einwandfrei. Für Fragen stehe ich gerne zur Verfügung. Privatverkauf, daher keine Rückmahme und Garantie.Am 15.05.23 hat der Verkäufer die folgenden Angaben hinzugefügt: Er hat das Woo Audio Röhrenuprade mit einer Sophia Electric 274B NOS Röhre und zwei NEC 6DE7 NOS Röhren (Wert 400€)

Woo Audio WA11 Topaz Headphone Amplifier / DAC + extras. Fantastic condition. Works perfect. Any questions feel free to ask. Posted with Royal Mail Special Delivery.

Incredible Woo Audio WA7 Fireflies in pristine condition. Largely unused since I purchased a few years, so trying to find it a new home where itll get more use! Museum-grade Beauty and SimplicityThis is possibly the most linear DAC and headphone amp Ive heard, notes Positive Feedback in a review of the original-model WA7. The WA7 is practically a steal in terms of sound quality and physical presentation, raves HP Soundings.The WA7 is a thing of museum-grade beauty and simplicity, says Ken Rockwell.Theres No Better ChoiceFor anyone wanting a high-performance, compact and aesthetically pleasing ... head-phone audio system, theres no better choice than the WA7, says Tone Audio in a review of the original-model WA7. The WA7 was voted the Best DAC by Lifehacker, which notes, WA7 Fireflies are fully featured DACs with world-class vacuum tube amplifiers. The Fireflies is very highly recommended for anyone buying their first, or even possibly their last, reference amplifier, raves Dagogo.