Description
Introduction Nobsound E6 adopts direct heated vacuum tubes, it features excellent characteristics, greater control ability and linearity, much ultra-low distortion, more transparent sound and little background noise compared with indirectly-heated tubes, the sound is so elegant and beautiful that nobody can escape from its intoxicating timbre. 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Sign Up Now ! Nobsound E6 Direct Heated Vacuum Tube Preamp Class A Stereo Audio Pre-Amplifier Item description Introduction Nobsound E6 adopts direct heated vacuum tubes, because of difficulties in the control of noise level degree and the balance degree of high, medium and low frequency, and excessive drive current easily affects the balance, this type of tube preamp is rare in the market, but the sound is absolutely amazing compared with in-directly heated tubes, the sound is so elegant and beautiful that nobody can escape from its intoxicating timbre. Features Amazing direct heated tubes design: this type features excellent characteristics, greater control ability and linearity, much ultra-low distortion, more transparent sound and little background noise. The sound is full of space sense with rich details, extended and delicate high frequency, full and mellow mid frequency. Vintage and pluggable 2J27S vacuum tube: military-grade tube with strong quality, adopts pure ceramic tube socket with anti-oxidation contact to ensure the best insulation performance. Pluggable design, can be plugged and changed new tubes easily. Standard RCA connectors and strong compatibility: perfectly work with digital audio source such as phone, MP3, computer, CD, DVD etc. to filter out the digital feeling to get warm and sweet sound, greatly improve the sound for headphone amplifier, power amplifier or active speakers. Mini size with exquisite appearance: compact design adopts metal case and thickened golden panels with better shielding performance, power switch and volume control are integrated into one knob for convenient use, retro slight light red filament iinside tubes decorates audio system mystically. Warm tips: 1. There is a microphone effect of the direct-heated vacuum tubes, please avoid any vibration during use, or else noise will be caused. 2. Please note this is a tube preamp , not a headphone amplifier. And NOT include power adapter, you can use phone charger or power bank or computer to power it. 3. If you plug vacuum tubes out, please note there are two pins with two black dots and insert them into the holes on both sides of the protruding sockets. Wrong insertion will cause damage. Parameters: Audio input: standard stereo L/R RCA Audio output: standard stereo L/R RCA Voltage amplification: about 6 times (15.6dB) Anode supply voltage: DC 105V (don't touch the socket when E6 is powered) Filament cathode supply voltage: DC 2.2V Frequency response: 20Hz-30KHz Signal to noise ratio: ≥90DB Input voltage: DC 5V-5.5mm*2.5mm (>350mA) Dimension(W*D*H): 68*116*65mm / 2.68*4.57*2.56in (including tubes) Net weight: 260g / 0.57lb Package weight: 400g / 0.88lb Packing List 1*E6 Tube Preamp 1*USB to DC Cable 1*User Manual 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. 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