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1st January 2012, 03:03 PM
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#1 |
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diyAudio Member
Join Date: Sep 2011
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■■■■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. Get it here: Universal power supply board for tube amplifiers
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9th January 2012, 07:27 AM
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#2 |
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diyAudio Member
Join Date: Sep 2011
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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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www.siliconray.com High Quality Audio Enclosures, Amp Kits, Amplifiers, PCB Fab Services Chat with me Last edited by siliconray; 9th January 2012 at 07:33 AM. |
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10th January 2012, 09:05 AM
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#3 |
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diyAudio Member
Join Date: Sep 2011
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Boards are coming, begin to ship tomorrow..
Tube rectifier version:  Diode Version 
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