Based in Wuhan, Central China Hubei Province, Lilly Electronics is engaged in fabrication, sales and R&D of consumer electronics maninly in the industry of Laser, IC and LED! You are welcome to visit us for culture exchange and mutrual business development and progress.
Specification:
1.LS9D tube regulator board, ARC tube voltage lines. 6Z4 rectifier, 12AT7 for voltage comparator, 12B4A to make adjustments.
2.The voltage from150V ~ 400V can be adjustable with two filament regulator it can output 6.3V or 12.6V voltage (in need of replacement components).
Feature
LS9D power board dimensions: length 230mm × width 125mm thickness 2.5mm
Notice:
This ia a finished board that has already soldered, you just need to connect the speakers,the power supply & sound source will be OK!
Package:
1* LS9D Universal Power Supply Board Tube Preamp Without Tube 150V~ 400V Adjustable
Note:The price is not include tubes . Please note that this product is only for DIYer who have sufficent knowledge in electricity and electronic. It is danger for getting electric shook if you do not have sufficient knowlwdge in electricity and electronic! Please consider to buy the completed product if you do not have enough knowledge in E&E. We will not respond for any damage of the PCB if connection in wrong wiring or modification.
