Tested on a fully restored TV7-DU, by Dan Nelson, pictures of evidence for this included in the listing. It was restored and calibrated on October 21st 2021. Tubes are tested for shorts. PC= Plate Current DC= Date Code Please note, TV7 data minimum is equal to 60%. For example, (insert model number here) min value 60. If the tube tests at minimum 60, that is equal to 60%. The number over (/) is the minimum test data result as described in the TV7 DU tube testing manual. So 60/ (min) 60 = 60% high testing, near NOS values 66/44 PC 79 I mark all my tubes, so please dont waste your time seeking to send me back your old dead tubes. All testers read differently. I have sought to have my tester as accurate as possible. I will not be giving partial refunds because you have received different test result. All tubes will be shipped well, an example of how I pack is pictured in the listing. (obviously these tubes are not included) I wont be lying on a customs form I combine shipping. If the tubes are of significant value, the postage will be extra due to insurance.

HAVING A CLEAR OUT NOW RETIRED MAY BE OF USE TO SOMEONE,THIS IS FOR A NEW UNUSED EL82, 6P18P, 6DY5, PENTODE, SUPER RUGGED AUDIO OUTPUT VALVE. TESTED. IN THE PAST I HAVE USED THESE MANY TIMES TO REPLACE EL84 VALVES IN DANSETTE AND SIMILAR RECORD PLAYERS, AND IN MANY DIFFERENT RADIOS WITH OUT ANY PROBLEMS, THE B9A BASE PIN OUT CONNECTIONS IS THE SAME AS THE EL84, SO NO ALTERATIONS TO THE VALVE HOLDER OR WIRING . IN SOME CASES YOU CAN INCREASE THE CATHODE RESISTOR TO 270 OHMS, TO REDUCE CURRENT. EL82 SPECS HEATER VOLTS = 6.3v HEATER AMPS = 0.8 ANODE/SCREEN VOLTS = 170v ANODE I/Ma = 53ma SCREEN I/Ma = 10 Ra K ohms = 20NEG GRID VOLTS = 10v ANODE LOAD = 4000 ohms POWER OUTPUT = 4 watts ALWAYS HAPPY TO COMBINE POSTAL COSTS.

Class A single-ended amplifier to reduce distortion; EL34 vacuum tube amplifier brings you exquisite & refined music, particularly ideal for vocal music & chords; Bass is surging strong, middle frequency is soft and mellow, high frequency is crisp and clear, strong power and clear resolution make you never feel tired even after long time listening. Zu Favoriten hinzufügen Verkäufer Newsletter abonnieren Neuankömmling Endet bald Feedback anzeigen Über uns Kontaktiere uns Alle Kategorien anzeigen Zusatzartikel Digitaler Verstärker Röhrenverstärker Hi-Fi Verstärker Vorverstärker & Phono Stage Kopfhörerverstärker D/A Wandler & Audio Adapter Audio-Splitter/Umschalter Audioprozessor Musikspektrum & Uhr Plattenspieler/Turntable-Teile Chassis & Gehäuse Netzteil Audio Board & Bausatz Audio Kabel Funktechnik & Kommunikation Audio Zubehör Andere Sonstiges Zuhause Feedback Verkäufer speichern Neu gelistet Endet bald Kontaktiere uns Shop-Kategorie Zusatzartikel Digitaler Verstärker Mono Kanal 2.0 Kanal 2.1 Kanal 4.0 Kanal 5.1 Kanal Multifunktion Röhrenverstärker Hi-Fi Verstärker Vorverstärker & Phono Stage Kopfhörerverstärker D/A Wandler & Audio Adapter Audio-Splitter/Umschalter Audioprozessor Musikspektrum & Uhr Plattenspieler/Turntable-Teile Chassis & Gehäuse Netzteil Audio Board & Bausatz Audio Kabel Funktechnik & Kommunikation Audio Zubehör Andere Sonstiges Abonnieren Sie unseren Newsletter Erhalten Sie unsere E-Mail-Newsletter über neue Artikel und Sonderaktionen ! Jetzt registrieren ! HiFi Klass A EL34 Röhrenverstärker Valve Tube Power Amplifier Stereo Audio Amp Artikelbeschreibung Shipping from Germany, 1-3 days to most DE regions and 2-8 days to Most EU countries. Features Class A single-ended amplifier to reduce distortion; EL34 vacuum tube amplifier brings you exquisite & refined music, particularly ideal for vocal music & chords; Bass is surging strong, middle frequency is soft and mellow, high frequency is crisp and clear, strong power and clear resolution make you never feel tired even after long time listening. The sound of this amp is extremely natural and sweet, providing you exquisite sounds, particularly remarkable for vocal music & chords. Self-biasing design,with classic 5 tubes (5Z3P/5U4G*1; EL34-C*2; 6NS7GT*2) whose sound is clear, natural, sweet and warm. With analog standard RCA input, very suitable for 4 ohm & 8 ohm speakers (10-100W, SNR≥88DB). Steel chassis with backplane, using pure copper RCA input and pure copper crystal terminals, and adopting Germany electrodeless capacitance, Philips cathode capacitance. Resistance are all made of ring high-precision metal film, pure handmade wiring looks more concise and sound more perfect. Parameters Rectifier tube: 5Z3P/5U4G (at random) Preamp tubes: 6NS7GT ×2 Power tubes: EL34C × 2 Rated output power: 10W*2(ultra-linear connection) Frequency response : 20Hz - 25KHz Power consumption: 105W Output transformer: Japan Z11 0.35mm(22x45/50) THD : 1% (1kHz) Input Sensitivity : 500mV - 2000mV Input impedance : 100KΩ Output Impedance : 4Ω / 8Ω SNR : 88dB Working voltage:110-120V / 220V-240V 50-60Hz Dimensions (W × H × D ): 380 × 160 × 230mm Weight: 10Kg Packing List 1* Tube Amplifier Zahlung Schnelle Lieferung Rücknahmegarantie Über uns Kontaktiere uns Zahlung Sichere und sichere Zahlung per PayPal. Schnelle Lieferung Die Artikel befinden sich in Deutschland und werden innerhalb von 1 Werktag, 1-2 Werktagen nach Deutschland und 2-8 Werktagen nach den meisten EU-Lndern versendet. Rücknahmegarantie Kostenlose Rcksendung innerhalb von 30 Tagen Wir bieten eine kostenlose Rckgabe innerhalb von 30 Tagen fr alle Artikel, die Sie bei eBay gekauft haben. Die vollstndige Rckerstattung und die Rcksendung erfolgen. Auf alle Artikel wird eine Garantie von 1 Jahr gewhrt (ausgenommen: 1. Beschdigungen oder Missbrauch durch den Menschen. 2. Audiozubehr und Verbrauchsmaterialien wie Vakuumrhren). Wenn Sie mit unseren Produkten und unserem Service zufrieden sind, hinterlassen Sie bitte einen 5-Sterne . Positives Feedback ist fr uns genauso wichtig wie unser Leben. Bitte kontaktieren Sie uns, bevor Sie ein neutrales oder negatives Feedback abgeben. Wir werden bessere Lsungen anbieten, bis Sie zufrieden sind. Über uns Douk Audio / Nobsound Studio wurde 2013 in Shenzhen, CHINA, gegrndet. Wir besitzen mehrere Marken, darunter Douk Audio / Nobsound / Little Bear usw. Als professionelles Audio-Unternehmen sind wir bestrebt, die besten Produkte zu den niedrigsten Preisen zu entwickeln und herzustellen, um HiFi erschwinglich zu machen. Wir werden keine Mhen scheuen, groartige Produkte und Dienstleistungen fr unsere Kunden anzubieten und das Hrerlebnis unserer Kunden zu verbessern. Kontaktiere uns Bitte zgern Sie nicht, uns zu kontaktieren, wenn Sie Fragen oder Kommentare zu unseren Artikeln haben. Unsere Arbeitszeit ist von Montag bis Freitag von 9.00 bis 18.00 Uhr (Pekinger Zeit). Bitte erlauben Sie uns, Ihnen zu Beginn der nchsten Woche zu antworten und keine negativen / neutralen Bewertungen oder Beschwerden whrend unseres Urlaubs zu hinterlassen. Vielen Dank fr Ihr Verstndnis und Ihre Mitarbeit. Zuhause Feedback Verkäufer speichern Neu gelistet Endet bald Kontaktiere uns

Mullard PM2B Vacuum Tube Valve Audio Output. Boxed. Will be carefully packed for delivery.

CARBON TRINITY HYBIRD VALVE AMPLIFIER FATMAN BY TL AUDIO MAD FOR IPODCARBON TRINITY HYBIRD VALVE AMPLIFIER Hybird Valve Amplifier Carbon Trinity. Fatman by AL Audio.bought new & never used (never plugged-in), original box, no literature (still looking for it). Will Insure for bid amount.Please see my other items listed separately. I do combine shipping. Bid with confidence I have 100% positive feedback. Your comments are appreciated. Any questions please ask.Please leave positive feedback an as many stars as possible, it all helps. Thanks for bidding and good luck. Please read my Auction Other Tips (below) before bidding on this item.AUCTION OTHER TIPSPayments due within 4 days of auctions endPostal rates are for US shipping only. Canada & International please ask before biddingI combine shipping on all orders whenever possible I take great care to describe all items to the best of my ability.All photos are of actual items. Satisfaction guaranteed! If for any reason you have any kind of a problem, please share it with me and I will do my best to resolve it for you. If you would like more pictures me, send me an e-mail and I would be happy to send them to you.

Audionote CD2 valve cd player Audionote CD2 valve cd player Images sell! Get Supersized Images & Free Image Hosting Attention Sellers - Get Templates Image Hosting, Scheduling at Auctiva.com.

Self on Audio | Small Signal Audio Design | Valve Amplifiers | Seminal HiFiDesign bookI hate it when people say this, but if you are reading this you will know how good these books are. They are in verygood condition, and yes, you are going to get all three books. I am selling a lot of components and radio and Hi Fi parts and units that I have collected over the very many years !! Thanks Dave of Timestep and Sound Hi Fi

Douk Audio U10 Mini Tube Headphone Amplifier HIFI Stereo Valve Preamp for Home Speaker U10 headphone amplifier with strong power: stereo 3.5mm AUX and RCA inputs, compatible with most audio source such as MP3, phones, computers, CD players etc.. Dual headphone jacks (3.5/6.35mm) output up to 1100mW, easily to drive all 18-600? headphones; U10 also can be used as a preamp to improve the sound quality for amplifiers or active speakers. Advanced design and HIFI sound: innovative built-in voltage boost circuit, U10 always works at a high voltage of 24V even only powered by DC 5V, the sound with deadly quiet background, amazing purity and transparency, accurate position and wide sound field, easy use and unrivalled sound are both achieved at the same time. Pluggable design with higher playability: 2PCS 6A2 tubes are adopted to soften and warm the audio, sounds real and natural, full and mellow, delicate and sweet. Both tubes and op amps are designed with pluggable socket, convenient for tube rolling, op amp upgrading and sound-shaping, different styles of sound can be enjoyed easily. Excellent manufacturing and most cost-effective: all metal case with good shielding, pure ceramic tube socket with antioxidant contact etc., U10 provides excellent sound and strong power for your headphones in such a mini size, specially suitable for the audiophiles who love listening to vocals, string music, light or classic music etc.. Warm tips: 1. Not inlcude power adapter, recommend to use original high-quality power adapter (DC5V/?2A ). U10 wont work normally if the current below 2A. 2. Inputs (3.5mm / RCA) and outputs (6.35mm/3.5mm jack) are connected in parallel, in other words, all inputs and outputs work simultaneously. Dont connect 3.5mm and RCA inputs at the same time, or else audio signals will be mixed. Product description Warm tips: 1. Not inlcude power adapter, recommend to use original high-quality power adapter (DC5V/?2A ). U10 wont work normally if the current below 2A. 2. Inputs (3.5mm / RCA) and outputs (6.35mm/3.5mm jack) are connected in parallel, in other words, all inputs and outputs work simultaneously. Dont connect 3.5mm and RCA inputs at the same time, or else audio signals will be mixed. 3. Pluggable tube socket design, 6A2 can be replaced by the following models: 6J1?6?1??6AK5?6BC5?403A/B?5654?EF40?EF95?CV850?6J2?6?2??6AS6?CV2522?EF11/732?CV4011?6J3?6?3??EF96?CV848?6BC6?6AG5? 6J4?6?4?6136?6BX6?6AC7?EF94?6AU6?6K4?6K5?6K4??6BA6?6DA6?EF89/93?5749 4. U10 can easily drive all headphones even with high-impedance such as HD580/HD600/HD650 / K701/K702/Q701 / DT880/T70/T90 / SR225/SR325/RS1e etc. Parameters: Brand: Douk Audio Model: U10 Audio input: 3.5mm AUX / Stereo RCA Audio output: 3.5mm / 6.35mm headphone jack Tube Model: 6A2 (2PCS) Op amp model: NE5532 (2PCS) Frequency response: 20Hz-30KHz Output power: ?1100mW (32?) Matched headphone impedance: 18-600? Signal to noise ratio: ?110DB Input voltage: DC 5V (?2A) Working voltage inside: DC 24V Net weight: 200g / 0.44lb Package weight: 300g / 0.66lb Dimensions (W*D*H): 69*95*30mm / 2.72*3.74*1.18in (not including tubes) Package Dimensions (W*D*H): 132*85*90mm / 5.20*3.35*3.54in Packing List 1 × U10 Headphone Amplifier 2 × 6A2 Tube 1 × Acrylic Board 1 × USB to DC Cable

Tested on a fully restored TV7-DU, by Dan Nelson, pictures of evidence for this included in the listing. It was restored and calibrated on October 21st 2021. Tubes are tested for shorts. PC= Plate Current DC= Date Code Please note, TV7 data minimum is equal to 60%. For example, (insert model number here) min value 60. If the tube tests at minimum 60, that is equal to 60%. The number over (/) is the minimum test data result as described in the TV7 DU tube testing manual. So 60/ (min) 60 = 60% tests well, pin guide has broke 42/25 PC 38.5 I mark all my tubes, so please dont waste your time seeking to send me back your old dead tubes. All testers read differently. I have sought to have my tester as accurate as possible. I will not be giving partial refunds because you have received different test result. All tubes will be shipped well, an example of how I pack is pictured in the listing. (obviously these tubes are not included) I wont be lying on a customs form I combine shipping. If the tubes are of significant value, the postage will be extra due to insurance.

EL12-375 NOS Röhre-Tube-Valve Ua max. 375V, vintage Audio Tube. Die Röhre ist augenscheinlich neu ,Sie befindet sich in Originalverpackung Siehe Bilder Ich verkaufe die Röhre dennoch ausdrücklich als ungetestet Und auf Grund des Alters ohne Garantie auf Funktion und schließe einen Umtausch aus. Für Versand außerhalb der EU erfragen Sie bitte die Versandkosten

Mazda EF86 Pentode Low Noise Audio Preamp Valve / Tube.

G.E.C. VALVE Audio Radio N18 3Q4 In Original Box. Never used

The following item is up for sale -- PER the PHOTOS and title - All tubes were tested and ar in good working order unless otherwise noted.

This amplifier has been completely rebuilt with only the following original items :- Metal casePCB x4Power supply transformerOutput transformers x2Original build documentation. All other components have been replaced with far higher specification devices these include :- Nichicon, Panasonic,Nippon electric, Wima capacitors, Electrolytics are low ESR, high temperature types. Screw down inter PCB connectors. High temperature, high voltage rated silicon wire used for power distribution and high quality screened and unscreened OFC cable used for signal path. The following user and operational modification have been fitted :- A/ Two stage relay [dry contact] soft start system with adjustable delays from 1s to 180s.B/ Dual mode Individual valve grid voltage meters which provide the following indication :- Grid voltage adjust level when quiescent valve setup is being carried out. Modulated output level when in normal use.C/ Multimode power/Current meter using a induction coil to show various electrical values and a resettable timer valve service time. The power meter image shows the total hours on test after overhaul. The valves can be supplied or buyer specified types fitted and calibrated before dispatch at an additional cost of the valves. The amplifier sounds wonderful with all the usual valve sound benefits together with a very respectable power output to drive most speaker loads with ease. Update build documentation will be supplied on digital media.

For sale: COUNTERPOINT SA-3.1 DUAL CHANNEL TUBE PREAMPLIFIER with MM Phono Stage Used preamplifier in good for its age condition and full working orderPreAmp has external power supply which is set for 230V at the moment, but it can be changed to 100v and 120v.All power cables are integrated, current schuko plug will be replaced to UK mains plug for UK buyer and to US plug for Americans.Cosmetic condition - please see picture.No original box and no manual.Specs and reviews: https://audio-database.com/COUNTERPOINT/amp/sa-3-e.html https://www.hifispeaker.wiki/item/counterpoint-sa-3 Payment: eBay, Paypal, Cash On Collection Collection from London, Eltham SE9 (I will not be able to demonstrate amp at this ocasion) Postage £21, UK courier International postage - Global Shipping Program of eBay

For auction are TWO NOS VINTAGE MULLARD GERMANY CV2901 / EF86 PRE-AMP TUBES manufactured in Germany QUALITY GERMAN PREMIUM TYPE EF86 PRE-AMP TUBES.TESTING VERY STRONG. ONE TUBE HAS RUBBED MARKINGS & TORN BOX FLAP BUT ITS A NOS TUBE.GENUINE NOS TESTED VALVES SOLD IN ORIGINAL BOXES. Please inspect all of the detailed high resolution pictures carefully before bidding, you will receive exactly what is described & shown. Please email any questions you have regarding this item.AUSTRALIAN DELIVERIES are via Australia Post Regular Parcel with notified trackingLOCAL PICKUP is not available.I always combine postage on multiple purchases to save buyer postal costs.Your purchase will be packed carefully free of charge with only at cost postal charges payable.Please read my feedback carefully before bidding with confidence.Since 2010, Ive sold hundreds of items without issue or non delivery. PLEASE PAY WITHIN FOUR DAYS OF AUCTION ENDITEMS POSTED WITHIN TWO DAYS OF RECEIVED PAYMENT Good luck if you decide to bid & please check out my other VALVES, electronic parts & ham radio auctions

6SN7 Pair Ge tubes tested Nos Nib Preamp valve Hifi Audio tested above new spec DESCRIPTION As I am no expert some items are unique ican not always know everything about them and will describe them the best ican and give as many pictures as i can to form part of the description. ifyou require anymore information please dont hesitate to ask PLEASE WAIT TO RECEIVE AN INVOICE BEFORE SENDINGPAYMENT !!!!! We try very hard to estimate shipping for our items however once packed can bemuch bigger than we thought so our postage is an estimate only!! SHIPPING We are always working hard to ensure yourpackage arrives as soon as possible. Please understand that some factors likeweather, high postal traffic, and the performance of shipping companies areoutside of our control. We pack ouritems very very well and are world renound for doing so. we go well out of ourway to make sure your item is received as described with no damage and prideourselves on it. PAYMENT We only accept Paypal and most major credit cards through Paypal as it?s themost convenient and secure way of transferring funds for both the customer andthe seller.CUSTOMER SATISFACTION We try our very best to make sure every customer is completely satisfied.please read the description CAREFULLY If you have a problem or questionregarding your transaction please contact us before leaving any type offeedback. We will work with you to resolve any problem you may have.

Pair Of Valve Sockets For 211 845 For amplifier Hifi Audio DESCRIPTION As I am no expert some items are unique ican not always know everything about them and will describe them the best ican and give as many pictures as i can to form part of the description. ifyou require anymore information please dont hesitate to ask PLEASE WAIT TO RECEIVE AN INVOICE BEFORE SENDINGPAYMENT !!!!! We try very hard to estimate shipping for our items however once packed can bemuch bigger than we thought so our postage is an estimate only!! SHIPPING We are always working hard to ensure yourpackage arrives as soon as possible. Please understand that some factors likeweather, high postal traffic, and the performance of shipping companies areoutside of our control. We pack ouritems very very well and are world renound for doing so. we go well out of ourway to make sure your item is received as described with no damage and prideourselves on it. PAYMENT We only accept Paypal and most major credit cards through Paypal as it?s themost convenient and secure way of transferring funds for both the customer andthe seller.CUSTOMER SATISFACTION We try our very best to make sure every customer is completely satisfied.please read the description CAREFULLY If you have a problem or questionregarding your transaction please contact us before leaving any type offeedback. We will work with you to resolve any problem you may have.

* * * * * * * * * * *   GE 6BY8GT Audio Electronic Vintage Radio TV Valve HAM Vacuum NOS NIB Tube NOS NIB TESTED * * * * * * * ************************************************************************************************************ Listing and template services provided by inkFrog

Tested on a fully restored TV7-DU, by Dan Nelson, pictures of evidence for this included in the listing. It was restored and calibrated on October 21st 2021. Tubes are tested for shorts. PC= Plate Current DC= Date Code Please note, TV7 data minimum is equal to 60%. For example, (insert model number here) min value 60. If the tube tests at minimum 60, that is equal to 60%. The number over (/) is the minimum test data result as described in the TV7 DU tube testing manual. So 60/ (min) 60 = 60% high testing, near NOS values 1. 70.5/44 PC 76.6 2. 58.5/44 PC 75.5 I mark all my tubes, so please dont waste your time seeking to send me back your old dead tubes. All testers read differently. I have sought to have my tester as accurate as possible. I will not be giving partial refunds because you have received different test result. All tubes will be shipped well, an example of how I pack is pictured in the listing. (obviously these tubes are not included) I wont be lying on a customs form I combine shipping. If the tubes are of significant value, the postage will be extra due to insurance.

Two (2) 6A7 Ken-Rad vintage vacuum tubes, ST shape, made in USA, tubes have metal ribbed plates, clear top, printed base, black glass, mica snubbers, tubes tests: 72, 70 %74, 72% Price is for all tubes pictured. Tube did not have original box, I assume it as used. We test all tubes we sell! We will combine shipping! Check out my other tubes! Tested on Triplett tube tester for shorts and leaks as well. Scale 1-100, good quality percentage on my Triplett starts at 54. Normal 0 false false false EN-US X-NONE X-NONE

An Audio Aero Prima 24bit valve CD player in good cosmetic and working condition.The fascia and case have a few marks but nothing serious.The player works perfectly with no issues at all, comes with a working remote and power cable.This is the 24bit second edition of the Prima and is a great player for the money.Has a nice analogue sound due to valve output stage.

One (1) 25C6G General Electric vintage vacuum tube, ST shape, made in USA, tube has black plates, black glass, printed base, clear top, tube tests: 96% New and shiny in original box. We test all tubes we sell! We will combine shipping! Check out my other tubes! Tested on Triplett tube tester for shorts and leaks as well. Scale 1-100, good quality percentage on my Triplett starts at 54. Normal 0 false false false EN-US X-NONE X-NONE

One tested 5U4 vacuum tube tested.