Product Details:
A99 electronic tube preamp reference carry circuit has warm sound, wide sound field, and good resolution.
High quality PCB.
The Japanese ALPS potentiometer has good balance between left and right channels and is durable.
The preamp board is the same length as the power board, making it easy to install.
Carefully selecting components, adjusting and matching them reasonably, the key to good sound.
Mature circuit with stable performance.
Parameter:
Input voltage: AC 280V-0- 280V/80mA AC0-5V or 6.3V/2A (Rectifier tube power supply) AC0-12V or 15V(6SN7)
Preamp PCB Size 27 * 23 * 2mm
Package include:
A99 preamp board X 1 （without tubes）
Rectification power board X 1（without tubes）
Every board has been professionally tested in perfect working order before shipping!
We have matching chassis and transformers for sale. If you need them, please contact us.
