eBay

Features:

Independent power supply design - The and power sections are separated, the interference is small, and the sound quality is clearer.
Tube 6K4 is fitted with for BC coupling capacitor.
control circuitry improves performance while providing better impedance matching.
The sound of the amplifier is warm, and the music is good, especially the dynamic range is large and the linearity is good.
The electron valve tube can be replaced and upgraded.
With source high and low .
Can be adapted to active speakers, or power amplifiers.

Specification:
Standard: US Plug, EU Plug, UK Plug (optional)
Power supply: DC12V/1.5A
Frequency response range: 20Hz-20kHz (±3dB)
Signal to Noise Ratio (SNR): ≥98dB
Treble adjustment range: ±6dB
Bass adjustment range: ±6dB
Control mode: Up and down toggle switch + Potentiometer knob
Input interface: Gold-plated terminal
Output interface: Gold-plated terminal

Package list:
1 * Preamplifier
2 * Electron Valve Tube
1 * Instruction Manual

1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties.
2. duties,taxes,and charges are not included in the item price or shipping fee.
3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase.
4. All disputes arising from the duties will be submitted to ebay for solution.

1. Any questions, pls. contact us via ebay message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails.

2. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5 " in very area
3. Our aim is to provide Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy.

We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.

https://image-us.ziopt.com/upload/third_resource/image/shipc73.jpg