■■■■Free Universal Power Supply Board For Tube Amplifiers ■■■■ - diyAudio
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Old 1st January 2012, 04:03 PM   #1
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Default ■■■■Free Universal Power Supply Board For Tube Amplifiers ■■■■

This small board is designed for our tube amplifiers and preamplifers. It can supply max 400V 250ma DC voltage with proper transformer. The rectifier can be either tube or diodes. Resistor can be replaced by choke coil for better performance.

No offer blank PCB for free, 1pc per order please, deivery begin on 4th Jan, air mail shipping. Thanks for interest.

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Universal power supply board for tube amplifiers
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Old 9th January 2012, 08:27 AM   #2
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An universal troid transformer for this board is available now, here it is:

Universal Troid Transformer For Tube Preamplifiers

Input: 110V/220v 50/60Hz
Output:
180V-0-180V 50ma, or custom specify
6.3V 2A (amplification tube filament power)
5V 4A (rectifier filament power)
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Last edited by siliconray; 9th January 2012 at 08:33 AM.
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Old 10th January 2012, 10:05 AM   #3
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Boards are coming, begin to ship tomorrow..

Tube rectifier version:
Click the image to open in full size.

Diode Version
Click the image to open in full size.
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