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.

Hallo,Ich Verkaufe Sehr Gute 2 Stücke Audio Valve Endstufen PPP und Audio Valve M2R Röhren Vorverstärker ,Dieses Gerät Es Funktionen gehen Einwandfrei.Endstufen PPP - Röhren : 2 x ECC 83 und 4 x EL 84 ,Nenn - Impedanz : 4 Ohm / 8 OhmMade in Germany ,Vorverstärker - Röhren : 4 x ECC 82Originale Bilder von dem Artikel ,Kann vor Ort getestet werden. Achtung : Nur Barzahlung !!! Kein Versand Abholung In 45143 Essen !Bitte beachten sie für den Zustand die weiteren Fotos, da diese ein Teil der Beschreibung sind.Privatverkauf ! Keine Garantie, keine Gewährleistung, keine Haftung, keine Rücknahme !

One (1) 6V6GT Viking by GE vintage vacuum tube, made in USA, tube has black ribbed plates, bottom side rectangular getter, clear top, black glass, tube tests: 86 % Price is for all tubes pictured. Tube did not have original box, I assume it as used. Tubes are tested for emission, as well as for shorts, life test and grid leakage on calibrated Sencore Mighty Mite tube tester, on scale 1-120, good quality on my Sencore starts at 70. We test all tubes we sell! We will combine shipping! Check out my other tubes!

One (1) 5Y3GT Selectron by GE vintage vacuum tube, made in USA, tube has black ribbed plates, top D getter, tube tests: 86, 84 % Price is for all tubes pictured. Scale 1-100, good quality percentage on my Triplett starts at 54. We test all tubes we sell! We will combine shipping! Check out my other tubes!

One (1) 6V6GT Tung-Sol vintage vacuum tube, made in USA, tube has black ribbed plates, clear top, smoked glass, tube tests: 84 % Price is for all tubes pictured. Tube did not have original box, I assume it as used. Tubes are tested for emission, as well as for shorts, life test and grid leakage on calibrated Sencore Mighty Mite tube tester, on scale 1-120, good quality on my Sencore starts at 70. We test all tubes we sell! We will combine shipping! Check out my other tubes!

One (1) 6V6GTY Sylvania JAN CHS vintage vacuum tube, made in USA, tube has black ribbed plates, smoked glass, brown base, clear top, tube tests: 84 % Price is for all tubes pictured. Tube did not have original box, I assume it as used. Tubes are tested for emission, as well as for shorts, life test and grid leakage on calibrated Sencore Mighty Mite tube tester, on scale 1-120, good quality on my Sencore starts at 70. We test all tubes we sell! We will combine shipping! Check out my other tubes!

Four (4) 6EW7 Sylvania vintage vacuum tubes, made in USA, all are black ribbed plates , clear top, side O getter, tubes tests: 100, 92 %100, 92 %98, 92 %98, 90 % Price is for all tubes pictured. We test all tubes we sell! We will combine shipping! Check out my other tubes!Scale 1-100, good quality percentage on my Triplett starts at 54.

Icon Audio HP8 Mk2 Valve (Tube) Headphone Amp Here is a high quality British made valve (Triode) headphone amp, in full working order and sounding simply remarkable with all types of music. Physical condition is excellent, apart from one little scuff above the volume control (see picture 3). The second picture is the full manufacturer’s description. The last picture shows the specifications This comes with correct IEC mains cable, along with a print-out copy of the user manual from the excellent Icon Audio website. The winning bidder will receive exactly what you see in the pictures, nothing more & nothing less. We will be happy to answer any questions and you are welcome to view before you bid Track Page Views WithAuctivas Counter

KT61 Osram BVA Made in England. Audio output valve. Fully AVO tested good, including for gas and inter-electrode shorts. AVO data for an average new valve is Ia= 40 mA gm= 10.5 mA/V. The test results for this valve are Ia=40mA gm=11.5mA/V So it tests like a new valve. It will be packed in a strong cardboard box with plenty of protection.

Unique and amazing combination: integrated ST-01/ST-01 PRO amplifier with VU meter into whole in such a mini size, the pointer dancing in the warm light with strong vintage feelings when enjoy HiFi music, dynamically decorates the audio system space.  HiFi clear sound with tone control: resonable circuit and concise wiring, adopts vacuum tubes to soften the sound and filter out the digital feelings, sounds warm and sweet without noise. Also with treble and bass knobs to adjust ones own preferable sound styles, presents HiFi music with rousing highs and deep lows. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Add-on Items Nobsound & Douk Audio UK Warehouse EU Warehouse AU Warehouse Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Audio Adapter / Converter Audio Splitter / Switcher Audio Processor Music Spectrum & Clock Audio Player Record Player & Turntable Part Empty Chassis Power Supply Audio Cable Hi-Fi Speaker Valve Tube Transformer Radio Communication Module Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Add-on Items Nobsound & Douk Audio UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Audio Adapter / Converter Audio Splitter & Switcher Audio Processor Music Spectrum & Clock Audio Board & DIY Kit Audio Player & Turntable Parts Radio Communication Audio Accessories Other EU Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Audio Adapter / Converter Audio Splitter & Switcher Audio Processor Music Spectrum & Clock Empty Chassis Audio Board & DIY Kit Record Player & Turntable Part Radio Communication Audio Accessories Other AU Warehouse Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Hybrid Amplifier Mini Tube Amplifier DIY Amplifier Kit Hi-Fi Amplifier Mini Amplifier Power Amplifier Integrated Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Phono Preamp Digital Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Portable Headphone Amp Tube Headphone Amp Desktop Headphone Amp Audio Board & DIY Kit Audio Adapter / Converter USB DAC Audio Adapter Digital Interface Bluetooth Receiver/Transmitter Audio Board & DIY Kit Audio Splitter / Switcher Speaker Switcher Bluetooth & XLR & MIC 2 Way 3 Way 4 Way Multiple Way Audio Processor Guitar Effects Equalizer Audio Mixer Noise Isolator Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Audio Player Digital Player CD Player Portable Player Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Platter Mats Disc Storage Rack Stylus & Headshell Gauge Devices Cleaning Kit Other Empty Chassis Personalized Small-sized Medium-sized Large-sized Power Supply Switching Power Supply Linear Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Audio Cable Speaker Cable RCA Audio Cable Conversion Cable USB Cable Coaxial Cable Optical Fiber Cable HDMI Cable Dock Cable Other Hi-Fi Speaker Frequency Divider Finished Speaker Valve Tube Shuguang Tube PSVANE Tube Tube Socket Other Transformer Toroidal transformer Output Transformer Choke Other Radio Communication Tesla Coil FM Transmitter & Receiver Antennas & Tuners Shortwave Radios Parts & Accessories Signal Generator Other Module Amplifier Module Phase-locked Loop Module Power Module Signal Generator module Other Module Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Current Meter Noise Tester Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! Mini Bluetooth 5.0 Valve Tube Amplifier VU Meter USB DAC Digital Audio Amp 200W Item description Shipping from UK, 1-3 days to most UK regions. Warm tips: In addition to retaining all the original functions, ST-01 PRO is the latest upgraded version of ST-01: 1. Add a M1 button on the remote control of ST-01 and ST-01 PRO, to turn on and off the function that it will auto enter mute mode when there is no signal input for 10S. 2. ST-01 PRO supports U-disk input to play lossless formats music. 3. Add sensitivity adjustment of VU meter on its bottom, easy to set and match better with different input signals. 4. Add three decorative golden circles around tubes and VU meter, looks more exquisite and luxury. Features Unique and amazing combination: integrated ST-01/ST-01 PRO amplifier with VU meter into whole in such a mini size, the pointer dancing in the warm light with strong vintage feelings when enjoy HiFi music, dynamically decorates the audio system space. HiFi clear sound with tone control: resonable circuit and concise wiring, adopts vacuum tubes to soften the sound and filter out the digital feelings, sounds warm and sweet without noise. Also with treble and bass knobs to adjust ones own preferable sound styles, presents HiFi music with rousing highs and deep lows. Strong output power and special AUX output: use TIs classic power amp IC, each channel can output 100W(4Ω) and easily to drive all 3-8Ω passive speakers, adds 3.5mm AUX output easy to connect another amplifier or active speaker / subwoofer to build multiple channel system and enjoy wonderful home theater experience. With multiple digital audio inputs: Bluetooth 5.0 / USB / Coaxial / Optical / stereo RCA, compatible with most audio device such as phones, computers, tablets, TVs, TV, CD players etc. The perfect combination of DAC and amplifier, very suitale for audiophiles who have various audio devices. Practical functions to simplify use: with full-function remote control, all settings can be achieved from the distance; with input selection and indicators, clearly to show the working status in real time; aluminum alloy case is specially designed, cool and unique to decorate your desktop space. Warm tips: 1. PC-USB input also supports mobile phones that with OTG functions, but Android system needs OTG cable and IOS system needs camera kit, please prepare by yourself. 2. Pluggable tube socket, default 6K4 vacuum tubes, can be replaced by 6J1, 6J2, 6J3, 6J4, 6J5, 61N, 6*4N, 6*5N, 5654/5654W, 5725, 6AK5, EF95, 6BA6, 403B, etc. 3. When the volume is turned down to minimum, the BT/(USB) indicator will be flashing; and when to maximum, the PC-USB indicator will be flashing; At this time, the indicator of current input channel will go out but light on when the adjustment is stopped. 4. Default comes with 24V/5A power adapter enough for common use, if you want higher power output to drive your speaker better, please click LINK to buy DC 36V/5A power adapter. Parameters Brand: Douk Audio Model: ST-01 PRO Audio input: Bluetooth / USB (PC-USB) / Coaxial / Optical / RCA / U-disk Audio output: Banana speaker jacks / 3.5mm AUX Max output power: 100W+100W (4Ω) Matched impedance: 3-8Ω Sampling rate supported: USB input: 96KHz/24Bit Bluetooth input: 48KHz/24Bit COAX/OPT inputs: 192KHz/24Bit Supported formats of U-disk: MP3 / WAV / WMA / FLAC / APE Max capacity of U-disk: 64G Treble / Bass adjustment range: ±6dB System PC-USB supported: XP/W7/W8/W10/MAC/ Linux Frequency response: 20Hz-20kHz(±1dB) S/N ratio: ≥98dB THD: 0.07% Working voltage: DC 18-30V Dimensions(W*D*H): 115*98*54mm / 4.53*3.86*2.13in Package dimensions(W*D*H): 295*225*85mm / 11.61*8.56*3.35in Net weight(ST-01): 634g / 1.40lb Net weight(ST-01 PRO): 661g / 1.46lb Package weight: 1.4kg / 3.09lb Packing List 1*ST-01 PRO Amplifier Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in UK, and will be shipped within 1 working day, 2-3 working days to UK, 2-8 working days to most EU countries. Return Policy Free Return Within 30 DaysWe provide return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please dont hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN) Monday-Friday 09:00 AM - 18:00 AM New York(US)Sunday to Thursday08:00 PM - 05:00 AM London(UK) Monday-Friday 01:00 AM - 10:00 AM Paris(FR) Monday-Friday 02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please dont leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us

Not only as a headphone amplifier, compatible with wide impedance range(12-200?), but also as a preamp for your other power amplifier, convenient and efficient to improve sound quality. 1*3.5 mm stereo jack input, can be connected to computer, CD, mobile phone and lossless player. 2*3.5 mm output can also be connected to digital amplifiers and active multimedia audio devices. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Add-on Items Nobsound & Douk Audio UK Warehouse EU Warehouse AU Warehouse Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Audio Adapter / Converter Audio Splitter / Switcher Audio Processor Music Spectrum & Clock Audio Player Record Player & Turntable Part Empty Chassis Power Supply Audio Cable Hi-Fi Speaker Valve Tube Transformer Radio Communication Module Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Add-on Items Nobsound & Douk Audio UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Audio Adapter / Converter Audio Splitter & Switcher Audio Processor Music Spectrum & Clock Audio Board & DIY Kit Audio Player & Turntable Parts Radio Communication Audio Accessories Other EU Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Audio Adapter / Converter Audio Splitter & Switcher Audio Processor Music Spectrum & Clock Empty Chassis Audio Board & DIY Kit Record Player & Turntable Part Radio Communication Audio Accessories Other AU Warehouse Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Hybrid Amplifier Mini Tube Amplifier DIY Amplifier Kit Hi-Fi Amplifier Mini Amplifier Power Amplifier Integrated Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Phono Preamp Digital Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Portable Headphone Amp Tube Headphone Amp Desktop Headphone Amp Audio Board & DIY Kit Audio Adapter / Converter USB DAC Audio Adapter Digital Interface Bluetooth Receiver/Transmitter Audio Board & DIY Kit Audio Splitter / Switcher Speaker Switcher Bluetooth & XLR & MIC 2 Way 3 Way 4 Way Multiple Way Audio Processor Guitar Effects Equalizer Audio Mixer Noise Isolator Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Audio Player Digital Player CD Player Portable Player Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Platter Mats Disc Storage Rack Stylus & Headshell Gauge Devices Cleaning Kit Other Empty Chassis Personalized Small-sized Medium-sized Large-sized Power Supply Switching Power Supply Linear Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Audio Cable Speaker Cable RCA Audio Cable Conversion Cable USB Cable Coaxial Cable Optical Fiber Cable HDMI Cable Dock Cable Other Hi-Fi Speaker Frequency Divider Finished Speaker Valve Tube Shuguang Tube PSVANE Tube Tube Socket Other Transformer Toroidal transformer Output Transformer Choke Other Radio Communication Tesla Coil FM Transmitter & Receiver Antennas & Tuners Shortwave Radios Parts & Accessories Signal Generator Other Module Amplifier Module Phase-locked Loop Module Power Module Signal Generator module Other Module Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Current Meter Noise Tester Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! HiFi FU32 Valve Tube Headphone Amplifier Mini Home Stereo Desktop Audio Amp Item description Want to buy it now please click: LINK >>> 1-3 working days to most UK regions and 2-8 working days to Most EU countries for shipping from UK <<< Features Not only as a headphone amplifier, compatible with wide impedance range(12-200Ω), but also as a preamp for your other power amplifier, convenient and efficient to improve sound quality. 1*3.5 mm stereo jack input, can be connected to computer, CD, mobile phone and lossless player. 2*3.5 mm output can also be connected to digital amplifiers and active multimedia audio devices. Default Beijing FU32 vacuum tube, can be upgraded to GU-32/832; Default NE5532 op amp, can be upgraded to OPA2604, JRC4558, OPA2132, OP275 and so on for enjoying different tones. Mini size with attractive appearance, compact design makes it suitable for desktop audio system. Parameters Audio input: 1*3.5mm Jack Audio output: 2*3.5mm headphone jack(one for 12-40Ω headphone and one for 40-200Ω headphone) Power supply: DC 12V@2A(5.5/2.2mm) Tube model: Beijing FU32 Op amp: NE5532 Color: black Dimensions: (L)86 mm *(W)86 mm *(H)43 mm(Excluding the tube) Net weight: 320g Packing List 1*Headphone Amplifier Noise may be resulted from: 1. Input signal overload may cause distortion and noise. When this happens, please turn down the volume of the audio source until no noise and then adjust proper volume through the amp itself. 2. Low-quality audio cables, poor audio source can cause the static noise. 3. The tubes not are plugged well on the tube sockets or the two red wires are not inserted to FU32 tube. 4. Devices like routers, mobile phones will also interfere in the audio signal and may cause static noise. Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in UK, and will be shipped within 1 working day, 2-3 working days to UK, 2-8 working days to most EU countries. Return Policy Free Return Within 30 DaysWe provide return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please dont hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN) Monday-Friday 09:00 AM - 18:00 AM New York(US)Sunday to Thursday08:00 PM - 05:00 AM London(UK) Monday-Friday 01:00 AM - 10:00 AM Paris(FR) Monday-Friday 02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please dont leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us

Potting output transformer to ensure the stability and reliability of the output. The output transformer is made of new 0.35 iron core, high-purity pure copper enameled wire, layered segmentation, and serial connection method. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Add-on Items Nobsound & Douk Audio UK Warehouse EU Warehouse AU Warehouse Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Audio Adapter / Converter Audio Splitter / Switcher Audio Processor Music Spectrum & Clock Audio Player Record Player & Turntable Part Empty Chassis Power Supply Audio Cable Hi-Fi Speaker Valve Tube Transformer Radio Communication Module Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Add-on Items Nobsound & Douk Audio UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Audio Adapter / Converter Audio Splitter & Switcher Audio Processor Music Spectrum & Clock Audio Board & DIY Kit Audio Player & Turntable Parts Radio Communication Audio Accessories Other EU Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Audio Adapter / Converter Audio Splitter & Switcher Audio Processor Music Spectrum & Clock Empty Chassis Audio Board & DIY Kit Record Player & Turntable Part Radio Communication Audio Accessories Other AU Warehouse Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Hybrid Amplifier Mini Tube Amplifier DIY Amplifier Kit Hi-Fi Amplifier Mini Amplifier Power Amplifier Integrated Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Phono Preamp Digital Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Portable Headphone Amp Tube Headphone Amp Desktop Headphone Amp Audio Board & DIY Kit Audio Adapter / Converter USB DAC Audio Adapter Digital Interface Bluetooth Receiver/Transmitter Audio Board & DIY Kit Audio Splitter / Switcher Speaker Switcher Bluetooth & XLR & MIC 2 Way 3 Way 4 Way Multiple Way Audio Processor Guitar Effects Equalizer Audio Mixer Noise Isolator Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Audio Player Digital Player CD Player Portable Player Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Platter Mats Disc Storage Rack Stylus & Headshell Gauge Devices Cleaning Kit Other Empty Chassis Personalized Small-sized Medium-sized Large-sized Power Supply Switching Power Supply Linear Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Audio Cable Speaker Cable RCA Audio Cable Conversion Cable USB Cable Coaxial Cable Optical Fiber Cable HDMI Cable Dock Cable Other Hi-Fi Speaker Frequency Divider Finished Speaker Valve Tube Shuguang Tube PSVANE Tube Tube Socket Other Transformer Toroidal transformer Output Transformer Choke Other Radio Communication Tesla Coil FM Transmitter & Receiver Antennas & Tuners Shortwave Radios Parts & Accessories Signal Generator Other Module Amplifier Module Phase-locked Loop Module Power Module Signal Generator module Other Module Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Current Meter Noise Tester Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! Defective--HiFi EL34 Valve Tube Amplifier Class A Single-ended Audio Amp 24W Item description Want to buy it now please click: LINK This product is located in UK, 1-3 bz days reach Most United Kingdom regions, and 2-8 bz days reach Most European countries. Features Pure class A single-ended circuit design: inspired by many classic circuits, adopts 2PCS 6N2 triode for voltage amplification, 2PCS EL34 for single-ended amplification; and 5Z4PJ for rectification (315V+315V). The single-ended circuit output power can reach 12W+12W and has good control of the speakers. Enough power and HIFI tube sound: with 200W power transformers and 15W audio output transformers with no large loop feedback; the sound quality is pure and warm, full and mellow, sweet and natural; medium frequency is full and stable, high frequency is clear and delicate. Attractive appearance and high-quality technology: with volume control and input switch, easy to use; exquisite silver lacquered panel and vacuum tube with artistic and retro feelings, providing wonderful auditory and visual enjoyment, very suitable for home and desktop audio system use. High-quality components are used to ensure working performance: Power transformer uses 96-50 iron core, 0.35mm silicon steel sheet and oxygen-free copper enameled wire. The power can be up to 200W, with low no-load current. Output transformer uses 0.35mm iron core, Japan ultra-thin insulating paper (0.06MM thick, withstand voltage 2000V), with layered and segmented fine winding method. Classical series input and parallel output can ensure high inductance and low leakage performance, the sound more excellent. Japan ELNA and RUBYCON audio capacitors are used for filtering and Dutch Philips capacitors to couple the signal. Japan ALPS potentiometer, gold-plated pure copper terminal, Taiwan customized non-inductance resistor etc. Warm tips? Because of the scarcity of vacuum tubes, the model of tubes may be different in different batches. Parameters Model: A10 Audio input: 2 groups of stereo RCA Audio output: banana speakers Jack Tubes: EL34+6N2+5Z4PJ Output power: 12W×2 Frequency response: 20Hz-28kHz Output impedance: 4Ω / 8Ω Input sensitivity: 750mV Input impedance: 100KΩ THD: ≤1%(1kHz) Input Voltage: AC 100-110V / 220V-240V (50-60Hz) Dimensions: 315*258*163mm / 12.40*10.16*6.42in Net weight: 12kg / 26.46lb Packing List 1* Tube Amplifier 1* Power Cord Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in UK, and will be shipped within 1 working day, 2-3 working days to UK, 2-8 working days to most EU countries. Return Policy Free Return Within 30 DaysWe provide return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. Contact us Please dont hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN) Monday-Friday 09:00 AM - 18:00 AM New York(US)Sunday to Thursday08:00 PM - 05:00 AM London(UK) Monday-Friday 01:00 AM - 10:00 AM Paris(FR) Monday-Friday 02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please dont leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us

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

AS FOUND, FROM RETIRED RADIO ENGINEERS WORKSHOP CLEARANCEFILAMENT CONTINUITY CHECKED OK, OTHERWISE NOT TESTED.Postage and packing UK £5, in EU 14 GBP, 22 GBP Worldwide This includes Tracking I will always combine postage on multiple items where possibleAll buyers are encouraged to pay via Paypal. The description is as accurate as possible and packaging is always sufficient, see my feedback for evidence. However there may be the occasion when problems arise, in which case if the buyer is not happy with the purchase every effort will be made to resolve the dissatisfaction. Typical feed back:- You know a really great seller when things go wrong and he takes care of it.

Audio Mini 6J1 Valve & Vacuum Tube Pre-Amplifier Stereo HiFi Buffer Preamp, Brand new in the box, no longer needed, fully working order, UK postage only Thanks.

Removing from old storage we found lot of early tube. This Action For (5) RCA 5963 12AU7 ECC82 TUBE Old stock. NIB. With Sleeve. SAME LOT. Please review the photos for more detail. Details can be seen from All Enlarged images. Rare find.

Item is new with open Box. Box may have damage but contents are new. Please inspect pictures for details. We are always open to offers. Douk Audio X1 [2022 Upgraded] HiFi Stereo Bluetooth Valve Tube Amp - (14U)

One (1) 6K11 DuMont by General Electric vintage vacuum tube, made in USA, tube has grey ribbed plates, clear top, side O getter, tube tests: 86, 86, 78 % Price is for all tubes pictured. Tube did not have original box, I assume it as used. Tubes are tested for emission, as well as for shorts, life test and grid leakage on calibrated Sencore Mighty Mite tube tester, on scale 1-120, good quality on my Sencore starts at 70. We test all tubes we sell! We will combine shipping! Check out my other tubes!

In dieser Auktion bieten Sie auf einen iTube Valve Amp Fatman TLAudio ohne Boxenkabel Zustand: gebraucht mit Gebrauchsspuren Lieferung wie abgebildet Diese Ware unterliegt der Differenzbesteuerung. Daher wird die im Kaufpreis enthaltene Mehrwertsteuer in der Rechnung nicht gesondert ausgewiesen.

filament tested ok, please see photo. Sold on filament test only since I cant find a test sheet to do any further testing Notes : For overseas buyers, any applicable customs charges are the responsibility of the buyer

Please see photo. 1 off tested as shown. (both diode sides) DD207 = Double Diode Notes : For overseas buyers, any applicable customs charges are the responsibility of the buyer

filament & performance tested good, please see photo. Cossor 210PGA Heptode Mutual conductance mu=0.8mA/V (=100%) (2nd scale of the meter) Notes : For overseas buyers, any applicable customs charges are the responsibility of the buyer

Tests good with mu=1.7mA/V ( spec = 1.4mA/V). Gas leakage also good PM2 = 220P = CV1020 = Beam Power Will try to combine postage for overseas buyers for valve auction items closing on the same day. (limit at 2kg shipment ). Please wait for invoice to arrive before paying. Typically there should be at least 50% reduction for postage on the second item Notes : For overseas buyers, any applicable customs charges are the responsibility of the buyer

TUNGSOL 6BC5 Audio Electronic Vintage Radio TV Valve HAM Vacuum NOS Tubes. All tubes are fully refundable if not satisfied as all tubes are tested before posting