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PRT-07A Tube HIFI Preamplifier Vacuum Tube Preamp Board Base On Marant 7 Circuit

$ 7.4

  • Brand: SENGTERBELLE
  • Compatible Brand: Universal
  • Type: Preamp Board

Description

Details: 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) Preamp PCB Size: 154*77*1.6MM 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. Note: Bare pcb:just 1pcs pcb ,have no any parts Diy kit:all the parts need yourself to solder.(not included 3pcs tubes) Assembled board:have tested well,(not included 3pcs tubes) Suitable power supply: recommend power supply board: https://www.ebay.com/itm/352997113155 recommend transformer : https://www.ebay.com/itm/353064388819 Tube link:https://www.ebay.com/itm/353491044405