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PRT-02A Tube Outlet ☆ Free Shipping Preamplifier Kits supreme Including

PRT-02A Tube Preamplifier Kits Including Tube

$21

PRT-02A Tube Preamplifier Kits Including Tube

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Product description

Parameter:

Note: this is a DIY kit, all the components will need yourself to solder it.
This is the pre-tube, can not directly push the box, can not directly push headphones AUDIO NOTE M7, is a well-known, nice guts;
PRT-02A reference to the amplifier circuit, so that new students can also spend a small amount of cost-effective H products.
This version is compatible with the design, through the jumper on the PCB for different tube adaptation,
work voltage: 0-AC(6-12V) above 1A. (when above AC9V. please note the heatsink temperature)
0-AC(200V-240V) above 10mA
compatible:
Jump cap shorted A1 = 6N2, 6N11, 6922 and other 6V power supply tube (6N1 current is too large, not suitable)
Jump cap shorted B1 = 6N4, 12AUT, 12AX7, 12AT7 12V power supply tube
The PRT-02A is designed as an integrated board with DC filament power supply, high voltage band regulation and electronic filtering.
Voltage input requirements:
Filament part:
AC6-12V not less than 1A (when more than 9VAC input, please pay attention to heatsink heat)
High-pressure part: AC200-240V, not less than 10MA
OUR supporting small EI transformer
Size: 127X75X80 (with copper column and tube height)
Special Note: In order to reduce the internal resistance of the high-voltage part of the power supply, this version is not designed to install the discharge resistor, so the high-voltage part of the discharge after power is extremely slow, do not touch the high-voltage part of the device

Special note: In order to reduce the internal resistance of the high-voltage part of the power supply, this version is not designed to install a discharge resistor, so the high-voltage part of the discharge is very slow after the power is off. Do not touch the high-voltage part.

Package:
1 pc PRT-02A Tube Preamplifier Kit - Includes Tube

PRT-02A Tube Preamplifier Kits Including Tube

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