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Audio > Audio Tubes > Re: Another DC ...
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Re: Another DC heater scheme

by flipper <flipper@[EMAIL PROTECTED] > May 24, 2008 at 03:06 PM

On Wed, 21 May 2008 16:22:59 -0500, "BretLudwig" <bratzirules@[EMAIL PROTECTED]
>
wrote:

>>>"> It will necessarily,
>>axiomatically be less reliable unless you have a secret stash of parts
>>whose reliability is 100%.
>
>If you ever get a hankering to open up the power supply on that PC
>you're abusing I suggest you suppress the urge because you'd have a
>conniption fit seeing more parts on just the primary side.
>
>> The nuke weapons people will be wanting to know where you're getting
>>them because despite millions of dollars  spent on extreme reliability
>>they are at no better than six-nines and usually four or five.
>
>Congratulations on achieving the most ridiculous analogy of the month
>in trying to compare a couple of transistors and a half dozen 2
>terminal parts 1 amp regulator to a nuclear warhead.
>
>
>> Give what you have on hand (or sell it) to some one who needs it for
>>what it is and get the correct part.
>
>I already have the correct parts and you trying to imply power
>N-MOSFETs are 'rare' is just as ridiculous as your nuclear warhead
>farce.
>
>Try Mouser. They have over a thousand of just that one type in stock
>for 34 cents.
>
>Or maybe you think 1/4W resistors are 'rare'.
>
>> Or are you the ****head that insisted on building an amp around the
>>4D32 tubes Collins owners badly need and is worthless for audio?
>
>No, you're the ****head who can't even remember who he calls ****head."<<
>
> Who the **** needs power N-MOSFETS (with their heat sinking) when two or
>four 1N4007s and one cap will do with the RIGHT transformer?? Or, a
>bipolar pass transistor and a regulator with the right common one as well
>if regulation is really necessary. 

I did because otherwise it would cost an additional transformer and
the attendant extra space.

> You are building a poor man's
>switchmode supply.

So much for the bogus 'expensive' argument.

> All to use a transformer with the wrong number of turns
>on the secondary. 

The number of turns being 'right or wrong' is determined by what works
and this works, saved money, and is more compact.


> And it was Al Marcy that was the ****head in this case. 
>
> He usually is.
 




 13 Posts in Topic:
Another DC heater scheme
flipper <flipper@[EMAI  2008-05-16 01:58:32 
Re: Another DC heater scheme
"BretLudwig" &l  2008-05-16 06:45:22 
Re: Another DC heater scheme
flipper <flipper@[EMAI  2008-05-16 07:42:47 
Re: Another DC heater scheme
"BretLudwig" &l  2008-05-16 07:54:22 
Re: Another DC heater scheme
flipper <flipper@[EMAI  2008-05-16 09:03:28 
Re: Another DC heater scheme
"BretLudwig" &l  2008-05-16 09:29:26 
Re: Another DC heater scheme
flipper <flipper@[EMAI  2008-05-16 10:47:41 
Re: Another DC heater scheme
"BretLudwig" &l  2008-05-17 18:06:00 
Re: Another DC heater scheme
flipper <flipper@[EMAI  2008-05-17 20:19:30 
Re: Another DC heater scheme
RapidRonnie <rapidronn  2008-05-19 11:00:17 
Re: Another DC heater scheme
flipper <flipper@[EMAI  2008-05-20 15:49:47 
Re: Another DC heater scheme
"BretLudwig" &l  2008-05-21 16:22:59 
Re: Another DC heater scheme
flipper <flipper@[EMAI  2008-05-24 15:06:52 

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tan12V112 Fri Oct 10 15:25:14 CDT 2008.