Product Description & Reviews
The product is for DIY kit. all the parts will need youself to solder it, We have assembled board with the ASIN# B078JLBH1N Designed with dual independent design, physical left and right channels 100% separation, independent grading ground. Preamp board Works voltage: +DC280V (above 10ma ) X 2 groups and + DC12.6V ( above 0.8A) Power supply board input voltage: 0-AC220V X 2 (200V-240V are ok) 0-AC12V X 1 (12-15V are ok) Preamp PCB Size: 154*77*1.6MM PSU PCB Size: 130*70*1.6MM Taiwan metal film resistance 1% accuracy MKP coupling capacitor Ceramic tube socket. This board can using 3pcs 12AX7 or some other same type tubes (12AXX series are all ok). if you want change using Filament voltage 6.3V tubes. such as 6N11/6N2.... can adjust the power supply board lower voltage to 6.3V. and the input Low AC voltage 6V-9V are ok. Package: 1 pc DIY KIT PRT-07A Hifi Tube preamplifier (no tube) + Power supply kit base on M7
Features & Highlights
- Preamp board Works voltage: +DC280V (above 10ma ) X 2 groups and + DC12.6V ( above 0.8A)
- Power supply board input voltage: 0-AC220V X 2 (200V-240V are ok)
0-AC12V X 1 (12-15V are ok)
- Preamp PCB Size: 154*77*1.6MM
- PSU PCB Size: 130*70*1.6MM
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