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Home > Power supply kit / board > DIY Tube Preamplifier PSU Board Power Supply Kit For Ground Grid GG Preamplifier DC200V + DC200V/DC280V + DC280V

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DIY Tube Preamplifier PSU Board Power Supply Kit For Ground Grid GG Preamplifier DC200V + DC200V/DC280V + DC280V

Name: DIY Tube Preamplifier PSU Board Power Supply Kit For Ground Grid GG Preamplifier DC200V + DC200V/DC280V + DC280V
Brand: FYFAUDIO
SKU: 哲洛-Ground Grid gg 胆前级配套稳压电源套件
Price: 13.6 USD
Availability: InStock
Rating: 5 (1 reviews)

5 (1)

$13.60 ~~$17.00~~ (20% OFF)

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Description

Output voltage:
High Voltage 1 : (150V 180V 200V 220V 250V 260V 280V 300V 320V 350V all available. )
High Voltage 2 : (150V 180V 200V 220V 250V 260V 280V 300V 320V 350V all available. )
Low voltage: DC3.5-DC12.6V adjustable ( if you need DC6.3V, Recommend input AC 7-9V. if you need DC12.6V. recommend input AC14-15V)

The output high voltage can be changed via change the two Zener diodes(marked as "D-V" on PCB), the output high voltage = (D-V)1+ (D-V)2

For example. you want output 250VDC. then can install one 150V Zener diode and one 100V Zener diode. of course, you also can install one 250VDC Zener diode at any one (D-V) position. other one (D-V) position shorted circuit

High votlage 1 and high voltage 2 default will be same value. if you want High votlage 1 and high voltage 2 with two different votlage, please must contact us.

With default heatsink, High Voltage output max current about 40mA. Low voltage max current about 1A. if add bigheatsink. the High Voltage and low voltage max current can be increased.

Power supply PCB Size: 130*70mm
Thickness: 1.6mm,
Copper thickness 50um.

NOTE: We have DIY kit or Finished board (Optional)

◆ DIY kit ---- All parts need you to solder and test it.

◆ Finished board ---- All parts have been welded and tested OK. (And set well the high voltage as you have chosen value. the low voltage default will set at 12.6V. if you want 6.3V. youself can adjust the blue adjustable resistor.)