Hifi Vacuum Tube Preamp Stereo Audio Preamplifier For Cd Player

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Sign Up Now ! HiFi Vacuum Tube Preamp Stereo Audio Preamplifier for CD Player Amplifier DAC Item description Introduction

• One stereo input, one stereo output. The low internal resistance double triode 5687 is amplified by a pole and has a gain of about 17 times.

• The transformer and power board are placed on the top of the cabinet, and the potentiometer and the amplified circuit board are installed inside the casing. There is no vibration, no noise, no interference, and good heat dissipation, which is good for sound.

• The sound background is quiet, sound quality is transparent, analysis ability is high, the high, middle and low frequency performance is more balanced, and the dynamic vocal performance is excellent.

• EI transformer enhances power supply filtering. With good separation degree, small ripple and big dynamic.

• Original Japan ALPS 27 double potentiometer, good quality, long life, good hand feeling, small error, performance and accuracy better than the common potentiometer.

• Double-sided gold-plated PCB board, aluminum alloy sealed casing can also be dust-proof, waterproof and moisture-proof, effectively shielding external disturbances such as stray electric fields and magnetic fields, and making the sound background quiet.

• High-end material includes imported capacitors, high-precision resistors, Germany WIMA capacitors, gold-plated ceramic sockets, CMC signal input and output sockets, Japan six-legged toggle switch and imported second-hand 5687.

Notice: vacuum tube 5687 and WIMA capacitors are second-hand. Packing List 

• 1* Vacuum Tube 5687 Pre-amplifier
• 1* Power Cord

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.

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