Description

Multiple sets of inputs and outputs: With 3 groups of RCA and 1 group of XLR inputs, can be perfectly compatible with most audio sources such as Phone, MP3, tablet, TV, computer, CD players etc., 2 groups of RCA and 1 group of XLR outputs, can easily drive home use speakers, also supports to connect the active subwoofer. Repalceable tube design: Default pluggable 3PCS Soviet 6H1N and 1PC Shuguang 6Z5P tubes, can effectively filter digital sound, reduce noise, and improve dynamics. Also designed with a filament voltage switcher to support 6.3V and 5V rectifier tubes, 6.3V and 12.6V signal tubes, allowing you to replace and upgrade the tubes for more perfect sound. HiFi components: Using a 150W high-power circular transformer to provide sufficient redundant electrical flow, zero negative fee Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Nobsound & Douk Audio Add-on Items US Warehouse UK Warehouse DE Warehouse AU Warehouse Digital Amplifier Tube Amplifier Audio Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Audio Player Music Spectrum & Clock Empty Chassis Record Player & Turntable Part Power Supply Vacuum Tubes Hi-Fi Speakers Hi-Fi Cable Transformer Radio Communication Audio Accessories Other Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Nobsound & Douk Audio Add-on Items US Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other UK Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Audio Board & DIY Kit Audio Accessories Other DE Warehouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Audio Processor Music Spectrum & Clock Aluminum Chassis Record Player & Turntable Part Audio Board & DIY Kit Radio Communication Audio Accessories Other AU Warehouse Add-on Items Amplifier Preamp & Phono Stage Headphone Amplifier DAC & Audio Adapter Audio Splitter/Switcher Music Spectrum & Clock Audio Accessories Other Digital Amplifier Multi-Function Mono Channel 2.0 Channel 2.1 Channel 4.0 Channel 5.1 Channel Tube Amplifier DIY Kit Hybrid Amplifier Mini Tube Amplifier EL34 Tube Amplifier KT88 Tube Amplifier 300B Tube Amplifier Other Tube Amplifier Audio Amplifier Mini Amplifier Integrated Amplifier Power Amplifier Audio Board & DIY Kit Preamp & Phono Stage Tube Preamp Digital Preamp Phono Preamp Passive Preamp Audio Board & DIY Kit Headphone Amplifier Mini Headphone Amp Desktop Headphone Amp Portable Headphone Amp Tube Headphone Amp DAC & Audio Adapter Audio Adapter USB DAC Bluetooth Receiver/Transmitter Digital Interface 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 Audio Player Digital Player Record Player CD Player Portable Player Music Spectrum & Clock Analog VU Meter Tube Sound Level Meter LED Sound Level Meter VFD Audio Spectrum LED Clock Nixie Tube Clock VFD Tube Clock IPS Nixie Clock Oscilloscope Tube Clock Board & DIY Kit Other Empty Chassis Small-sized Medium-sized Large-sized Personalized Record Player & Turntable Part Set-up Transformer Record Weight & Clamp Cleaning Kit Scale Gauge Platter Mat Dust Cover Needle Other Power Supply Linear Power Supply Switching Power Supply Power Supply Filter USB Charging Hub Board & DIY Kit Vacuum Tubes Shuguang Tube PSVANE Tube Tube Socket Tube Tester Probe Hi-Fi Speakers Frequency Divider Speaker Unit Hi-Fi Cable RCA Audio Cable 1/8 & 1/4 Stereo Jack Cable Speaker Cable USB Cable Optical Fiber Cable Conversion Cable Dock Cable Other Transformer Toroidal transformer Output Transformer Other Radio Communication Tesla Coil Transmitter & Receiver Signal Generator Antennas & Tuners Shortwave Radios Ham Amateur Radio Audio Accessories Volume Controller Mount Stand Bracket Feet & Pads Op Amp Headphone Current Meter Other Other Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! HiFi Vacuum Tube Preamp Home Stereo Desktop Audio Pre-Amplifier with Remote Item description Warm Tips 1. Default 3PCS Soviet 6H1N and 1PC Shuguang 6Z5P tubes can be replaced. The following are the types of electronic tubes that can be used: 6.3V filament rectifier tubes 6Z5P / 6X5 5V filament rectifier tubes 5R4 / 5U4G / 5AR4 / GZ33 / GZ34 / 274B / 5Y3 / 5Z3P 6.3V signal tube 6N11 / 6N1P / E88CC / E188CC / CCA / 6922 / 6H23 / 6H6 / 6H30 / 6SN7(require 6SN7 to 6922 socket adapter) 12.6V signal tube 12AU7 / 12BH7 / E80CC / 12SN7(require 6SN7 to 6922 socket adapter) ①When using 6.3V filament rectifier tubes, the S2 switch must be set to the 6X5 position. When using 5V filament rectifier tubes, the S2 switch must be set to the 5AR4 position. ②When using 6.3V filament signal tubes, the S1 switch must be set to the 6.3V position. When using 12.6V filament signal tubes, the S1 switch must be set to the 12.6V position. 2. The max output voltage is 20V, and the actual output voltage depends on the setting of the DIP gain and the type of tube used. 3. The output coupling capacitor and power filter bypass capacitor can be freely replaced without welding. 4. For safer and faster delivery, the remote control does not include batteries, please prepare it yourself. Features Multiple sets of inputs and outputs: With 3 groups of RCA and 1 group of XLR inputs, can be perfectly compatible with most audio sources such as Phone, MP3, tablet, TV, computer, CD players etc., 2 groups of RCA and 1 group of XLR outputs, can easily drive home use speakers, also supports to connect the active subwoofer. Repalceable tube design: Default pluggable 3PCS Soviet 6H1N and 1PC Shuguang 6Z5P tubes, can effectively filter digital sound, reduce noise, and improve dynamics. Also designed with a filament voltage switcher to support 6.3V and 5V rectifier tubes, 6.3V and 12.6V signal tubes, allowing you to replace and upgrade the tubes for more perfect sound. HiFi components: Using a 150W high-power circular transformer to provide sufficient redundant electrical flow, zero negative feedback circuit to ensure outputting natural sound, adopting HiFi components such as original Vishay resistors, Rybycon and Nichicon low ESR power filter capacitors, OHVL 2.2 μ F and BENNIC 6.8 μ F capacitors, etc. Easy to use&simple appearance: Four different levels of output gain can be compatible with more devices; With a remote control for easy adjustment function; adopting all aluminum alloy chassis, shock absorber cone feet, ALPS potentiometer, gold-plated terminals, and more beautiful and durable. Parameters Audio input: 3 groups of RCA / XLR Audio output: 2 groups of RCA / XLR Max Output voltage: 20V Output impedance: ≥10kΩ Frequency response: DC to 50kHZ Input voltage: 110-120V / 220-240V Net weight: 11kg / 24.25lb Package weight: 12kg / 26.45lb Dimensions(W*D*H): 310*390*145mm / 12.20*15.35*5.70in Packing List 4*Tubes 1*Amplifier 1*Power Cord 1*Remote Control 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 Days We 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 don't 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 Thursday 08:00 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 don't 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