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 ! Raphaelite 3.5K 25W Encapsulate output transformer 300B, EL34, KT88 single-ended Item description Article?Single-ended output transformer Application? Suit for 300B?6550?EL34?KT88 Single-ended tube amplifier The price is for one piece !!! In order to help you find the transformer you need specification as soon as possible, below is our detailed links: 1.For Power transformer?PLS Click?Link 2.For Push-pull output Transformer?PLS Click?Link 3.For Filament Power Transformer?PLS Click? Link 4.For Pre-AMP output Transformer?PLS Click?Link 5.For Single-ended output Transformer?PLS Click?Link 6.For Choke?PLS Click?Link 7.For Permalloy Transformer?PLS Click?Link Payment Delivery details Return Policy About us Contact us Payment Safe and secure payment by PayPal. Delivery details Please leave VALID TELEPHONE NUMBER which is necessary and very important. Customs Clearance We are NOT responsible for any customs duties fee. We are NOT responsible for any import tax or customs delay. Most item will be shipped within 2 working days. For package less than 2KG, we use Airmail (10-25 days to most countries) and for package over than 2KG we use Expedited Service such as DHL, UPS and FEDEX (5-8 days to most countries). Return Policy Free Return Within 30 DaysWe provide return within 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-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 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

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 ! Raphaelite 3.5K 25W Encapsulate output transformer 300B, EL34, KT88 single-ended Item description Article?Single-ended output transformer Application? Suit for 300B?6550?EL34?KT88 Single-ended tube amplifier The price is for one piece !!! In order to help you find the transformer you need specification as soon as possible, below is our detailed links: 1.For Power transformer?PLS Click?Link 2.For Push-pull output Transformer?PLS Click?Link 3.For Filament Power Transformer?PLS Click? Link 4.For Pre-AMP output Transformer?PLS Click?Link 5.For Single-ended output Transformer?PLS Click?Link 6.For Choke?PLS Click?Link 7.For Permalloy Transformer?PLS Click?Link Payment Delivery details Return Policy About us Contact us Payment Safe and secure payment by PayPal. Delivery details Please leave VALID TELEPHONE NUMBER which is necessary and very important. Customs Clearance We are NOT responsible for any customs duties fee. We are NOT responsible for any import tax or customs delay. Most item will be shipped within 2 working days. For package less than 2KG, we use Airmail (10-25 days to most countries) and for package over than 2KG we use Expedited Service such as DHL, UPS and FEDEX (5-8 days to most countries). Return Policy Free Return Within 30 DaysWe provide return within 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-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 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

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 ! Raphaelite 3.5K 25W Encapsulate output transformer 300B, EL34, KT88 single-ended Item description Article?Single-ended output transformer Application? Suit for 300B?6550?EL34?KT88 Single-ended tube amplifier The price is for one piece !!! In order to help you find the transformer you need specification as soon as possible, below is our detailed links: 1.For Power transformer?PLS Click?Link 2.For Push-pull output Transformer?PLS Click?Link 3.For Filament Power Transformer?PLS Click? Link 4.For Pre-AMP output Transformer?PLS Click?Link 5.For Single-ended output Transformer?PLS Click?Link 6.For Choke?PLS Click?Link 7.For Permalloy Transformer?PLS Click?Link Payment Delivery details Return Policy About us Contact us Payment Safe and secure payment by PayPal. Delivery details Please leave VALID TELEPHONE NUMBER which is necessary and very important. Customs Clearance We are NOT responsible for any customs duties fee. We are NOT responsible for any import tax or customs delay. Most item will be shipped within 2 working days. For package less than 2KG, we use Airmail (10-25 days to most countries) and for package over than 2KG we use Expedited Service such as DHL, UPS and FEDEX (5-8 days to most countries). Return Policy Free Return Within 30 DaysWe provide return within 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-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 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

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 ! Raphaelite 3.5K 25W Encapsulate output transformer 300B, EL34, KT88 single-ended Item description Article?Single-ended output transformer Application? Suit for 300B?6550?EL34?KT88 Single-ended tube amplifier The price is for one piece !!! In order to help you find the transformer you need specification as soon as possible, below is our detailed links: 1.For Power transformer?PLS Click?Link 2.For Push-pull output Transformer?PLS Click?Link 3.For Filament Power Transformer?PLS Click? Link 4.For Pre-AMP output Transformer?PLS Click?Link 5.For Single-ended output Transformer?PLS Click?Link 6.For Choke?PLS Click?Link 7.For Permalloy Transformer?PLS Click?Link Payment Delivery details Return Policy About us Contact us Payment Safe and secure payment by PayPal. Delivery details Please leave VALID TELEPHONE NUMBER which is necessary and very important. Customs Clearance We are NOT responsible for any customs duties fee. We are NOT responsible for any import tax or customs delay. Most item will be shipped within 2 working days. For package less than 2KG, we use Airmail (10-25 days to most countries) and for package over than 2KG we use Expedited Service such as DHL, UPS and FEDEX (5-8 days to most countries). Return Policy Free Return Within 30 DaysWe provide return within 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-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 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