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Old 19th July 2012, 12:05 AM   #971
Salas is online now Salas  Greece
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Just maybe, without C/W data and ventilation of that ''box sink'' there is no scientific answer, but there is a rule of thumb, if you will measure more than 70C on the actual metal tab of any Mosfet its not long term reliable. Apply high quality thermal paste, it helps.
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Old 19th July 2012, 12:33 PM   #972
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All arrived here Mike. Thanks very much.

John
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Old 19th July 2012, 08:19 PM   #973
RollE2k is offline RollE2k  Sweden
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Then i can maybe sink one of the regulators at case bottom, and the other regulator gets its own sinks.
Will be pretty much stuff in the case, since it's a parafeed tube line-stage w. buffalo dac and i/v-stage in the same case.

Mike, i missed two 1R resistors in my IRF- set of components, no problem though, since i will still need to order a few parts for voltage-set part.

When this +-15v regulator will feed my I/V stage, would it be recommended using a 220u electrolytic instead of an 10uF film-cap for C101/C201? And is it better running 2x1,7v leds instead of a zener?
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Old 20th July 2012, 12:25 AM   #974
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Mine arrived a few days ago, FYI
Thanks heaps ! Now to find time to put them to use ...
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Old 20th July 2012, 01:48 AM   #975
Salas is online now Salas  Greece
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Quote:
Originally Posted by RollE2k View Post
Then i can maybe sink one of the regulators at case bottom, and the other regulator gets its own sinks.
Will be pretty much stuff in the case, since it's a parafeed tube line-stage w. buffalo dac and i/v-stage in the same case.

Mike, i missed two 1R resistors in my IRF- set of components, no problem though, since i will still need to order a few parts for voltage-set part.

When this +-15v regulator will feed my I/V stage, would it be recommended using a 220u electrolytic instead of an 10uF film-cap for C101/C201? And is it better running 2x1,7v leds instead of a zener?
You can discuss technical matters in this thread: http://www.diyaudio.com/forums/power...airytales.html
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Old 20th July 2012, 09:05 AM   #976
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Just received the BiB boards and the minikits. However no DCB1 parts or board. Did you send these in a separate package Mike?
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Old 22nd July 2012, 01:51 PM   #977
Tea-Bag is offline Tea-Bag  United States
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Due to lack of boards, I have added a new sign up spreadheet to my signature.
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Salas Boards 2014 #2 Click Here to Sign Up! |F5TC board and power supplies available PM | Hot-Rod DCB1 boards and kits available PM |Mesmerize kits available (no boards)
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Old 22nd July 2012, 02:34 PM   #978
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Safe and sound, received in Norway

Thanx

P.
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Old 22nd July 2012, 03:25 PM   #979
RCruz is offline RCruz  Switzerland
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Due to lack of boards, I have added a new sign up spreadheet to my signature.
Just signed in... I added a column for the names
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Old 22nd July 2012, 05:28 PM   #980
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Mike I am measuring the green leds from the minikits at ~1,84V and the reds ar about 1,7V is that right? or am I doing something wrong? I expected something ~2,1V and 1,9
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