915 Generation 6J1 Tube Amplifiers Board, Pre-Amp Amplifier

The following is the detailed introduction about our products:


About Us
We provide the good product with the best price,we support Wholesale/Drop Shipping Order
1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it.
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About Shipments
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About After-sale Service
We are reliable seller and we have our professional after-sale service for all of our customs. If there is any question about the order,please contact us in advance ,we will always here until you get a happy answer.
About Feedback
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Your affirmation is our greatest motivation ! ! !It is a preamp tube amplifier.Its main function is to improve the sound quality,remove the harsh digital taste in the sound source,and make the music sound quality more soft and sweet.The amplifier has its unique,which can make the sound warm and durable,the music is good,and the atmosphere is good.
AC power supply, High-fidelity signal amplification, Tube to remove noise, It has a large dynamic range and good linearity
The voice is naturally concerned,soft and sweet,quiet and transparent.The tubes in the circuit are compatible with 6J1,6J2,etc.
Power Supply Part:AC 12V passes the rectifying and filtering voltage doubler circuit,and the positive and negative 28V output power supplies the tube with power.Signal Processing Part:the signal is buffered and amplified by the electronic tube and used for the power amplifier or the amp.The signal is a voltage signal and cannot directly drive speakers or headphones.

Product Name:Preamp Tube Amplifier
Supply Voltage:AC 12V
Supply Current:800mA
Power Supply Part:AC 12V passes the rectifying and filtering voltage doubler circuit,and the positive and negative 28V output power supplies the tube with power.
Signal Processing Part:the signal is buffered and amplified by the electronic tube and used for the power amplifier or the amp.The signal is a voltage signal and cannot directly drive speakers or headphones.
Work Humidity:5%~95%RH
Material:PC+metal
colour:yellow

Package Contents:
1 * Preamp Tube Amplifier
2 * Electronic tube

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.