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Old 5th February 2009, 04:27 AM   #1
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Default Power supply for FIRST WATT B1 BUFFER

"SUPER REG" high speed shunt regulator and

Adjustable regulated power supply 5-24V / 1A, I used this concept from Threshold FET TEN/HL power supply but I change some parts for stability voltage reference such as TL431 instead of Zener Diode.

Low impedance supply good for DIY preamps such as FIRST WATT B1 BUFFER , Guitar Peamp, Head Phone, etc

15USD includes shipping P&P

PAYPAL accept
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Old 5th February 2009, 01:55 PM   #2
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Location: Surrey/Hampshire borders
Default You have mail

I will take them - do you have any circuit details / BOM, or do I follow the silk screen?
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Old 6th February 2009, 03:28 AM   #3
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Default SUPPLY + B1

Still left some pieces of boards
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Old 6th February 2009, 10:00 AM   #4
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Default SUPER REG SCHEMATIC

For many request
Here you're !

Some value may change to better performance !
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Old 9th February 2009, 03:16 PM   #5
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Default Beyond to B1 !

Some parts before I finished B1
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Old 9th February 2009, 03:36 PM   #6
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Default Are you selling those parts?

Hi - selling them or is it just to show what you are going to use building your own B1?

Regards

Alan
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Old 10th February 2009, 01:51 AM   #7
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Default Selling

Yes, I can supply some parts in 1 set which you want.

B1 PCB
B1 SUPER REG PCB
4 Pcs of 2SK170 BL MATCHED
3 Pcs of 1uF VISHAY INPUT CAP
2 Pcs of 10uF AEON OUTPUT CAP
2 Pcs of 15000uF PANASONIC FILTER CAP
1 SET OF DALE RESISTORS
2 Pcs of 25KA PEC CARBON POT or 1 Pcs of 25KA DUAL GANG PEC CARBON POT (PLUS $)
2 Pcs of original KNOBs

This set is 175 USD (not include 3% PAYPAL fee)
PAYPAL ACCEPT

Thanks
Anadigit
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Old 10th February 2009, 09:55 AM   #8
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Default 85% finished

Assembled board and original parts
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Old 11th February 2009, 03:38 PM   #9
ThomasH is offline ThomasH  Germany
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This set for 175$ is just for one channel, am I right?
Kind regards,
Thomas
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Old 12th February 2009, 04:35 PM   #10
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Default 2 CH

These are 2CH B1 BUFFER in 1 PCB, stereo not dual mono !
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