Condition: Used — powers on as shown (red LED illuminated). Tested for power only; audio output not fully tested. Other markings visible: "Audio In", "Speaker Out", "DC 12V", "2-Channel Hi-Fi Stereo Amplifier", QC Passed sticker.
Power stage and Input voltage amplification stage adopts 6N2 and 6P1, low distortion, low noise and wide frequency response, standard connection method with high amplification efficiency. 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 ! Douk Audio Hi-Fi Class A Single-Ended Tube Integrated Power Amplifier DIY KIT Item description Shipping from USA Warehouse, you will receive it within 1-6 bz days. Notice: 1. This is DIY KIT version which needs you have some welding ability and electronic knowledge to solder, and finished version please click: Link 2. Not include power cord, please prepare it by yourself. 3. Due to the scarcity of electronic tubes and the instability of inventory, the actual shipment will be replaced with different types of electronic tubes according to the actual situation. All replacement components are of the same level, and there is no difference in function and effect. Please understand. If you mind, please do not buy. 4. The circuit diagram sent is for reference only, please refer to the actual product, if you have any questions, please feel free to contact us, we are glad to help you. Features Power stage and Input voltage amplification stage adopts 6N2 and 6P1, low distortion, low noise and wide frequency response, standard connection method with high amplification efficiency. The power circuit adopts vacuum tube rectification, low internal resistance of power supply, which has great benefits for reducing noise and improving the dynamics. Not only keeps the musical charm of tube amplifiers but also makes the sound harmonious and balanced. The sound quality is pure and mellow, delicate and sweet , it has good control to the speaker. Parameters Output power: 4Wx2 (standard connection) suitable for More than 90db sensitivity speakers Frequency response: 20Hz-20KHz Input voltage: 100-120V / 220V-240V 50HZ/60HZ Main transformer power: 75W Output impedence:4Ω/8Ω Power transformer: 76 * 40 230v 0.15a, 3.15v * 2 3a 75W Output transformer 5k 66 * 32 8W Dimensions: 310*170*48mm Weight: 6Kg Packing List 1*Full Set Components of Tube Amp Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free 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 don't hesitate to contact us if you have any questions or comments about our items. 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The NAD 3020 Series 20 Hi-Fi Stereo Amplifier is a vintage unit from the 1970s, featuring a classic black design and delivering excellent sound quality. This integrated amplifier offers a power output of 35W, with raw cable speaker jacks for audio output and multiple inputs including AUX, phono/preamp, and two-channel RCA. With Dolby surround sound formats and analog features, this NAD amplifier is a sought-after choice for audiophiles looking for a high-quality, all-original audio component with a touch of nostalgia. Missing two push buttons, see pictures.
The Realistic SA-150 Integrated Stereo Amplifier from 1984 offers a vintage hi-fi experience with clean, tested sound quality. Featuring a sleek silver and brown design, this amplifier supports FM modes and offers Dolby surround sound formats. With two audio outputs including a headphone jack and stereo RCA outputs, this AB amplifier class delivers 25W of power and is perfect for analog audio enthusiasts. Made in Taiwan, this model includes phono/turntable and stereo RCA inputs, making it a versatile choice for any home audio setup. Tested and works. The wood grain has a small flaw on the corner as shown.
New open box condition comes with everything as pictured. Box opened to verify and display contents inside.
AIYIMA audio amplifier offers a sleek, compact design with a brushed black metal finish, ideal for high-fidelity home audio setups. This unit includes a dedicated AC/DC power adapter (Model L3205000, 32V 5.0A output) to ensure stable performance and clean power delivery. The rear panel features standard RCA inputs and high-quality speaker terminals, while the front provides a smooth-turning volume control knob for precise adjustments. Perfect for driving bookshelf speakers or enhancing a desktop audio experience with a minimalist aesthetic.
JVC SU-A97 AV Surround Processor, tested and working. Cord should be replaced as it has an exposed part of the wiring but it still powers in and works. Black finish unit with Dolby Surround processing, master volume control, surround selector, headphone jack, tape monitor, and calibration level meter. Powers on, display lights active. Some surface dirt, buildup and cosmetic scuffs on the exterior.
Frequency Range: (VHF) 136-174MHz, (UHF) 400-480MHz (program). FM Radio Function. Auto Lock. PTT ID setting. Channel Capacity: 200. Channel Spacing: 25KHz/20KHz/12.5KHz. Frequency Stability: 2.5ppm.
Midland MXT575 MicroMobile GMRS 50W Two-Way Radio is in brand new condition. This premium GMRS system features a fully-integrated control mic setup for clean dashboard installation and powerful long-range communication. Includes NOAA weather alerts, multiple channels, and USB-C charging capability. Includes original accessories
QYT KT-UV980PlusDual Band Radio UV 136-174MHz & 400-480MHz FM Transceiver. FM Radio Function. Dual band UHF/VHF range from 136-174MHz to 400-480MHz, and power 50 Watt or 25 Watt is adjustable. Auto Lock.