----------
>
>
>>
>>
>>THE MAIN ADVANTAGE OF THE DAF IS COOLING REQUIREMENTS ARE LESS. IMPORTANT IF
>>YOU WANT TO BUILD A COMPACT AMP.
>>----------
>>>Fr¬n: measures <2@vc.net>
>>>Till: "Phil Clements" <philk5pc@tyler.net>, "Steve Thompson"
>><rfamps@ic24.net>, "AMPS" <amps@contesting.com>
>>>ümne: Re: [AMPS] The G2DAF Amplifier; Intents and Purposes
>>>Datum: sñn 26 mar 2000 17.45
>>>
>>
>>>
>>>>
>>>>I pulled up the subscriber list yesterday...there are some 425
>>>>subscribers to "AMPS." Since I am no spring chicken, and
>>>>did not just fall off the turnip truck onto this reflector, I think I
>>>>can safely say that there are at least 200-300 of us out here in
>>>>cyberville that would like to know the following:
>>>>
>>>>1. What was the intended "mission" of the "DAF amplifier?
>>G2DAF WAS A HAM. HAMS AT THAT TIME EXPERIMENTED. HE WAS CURIOUS AND SO AM
>>SOME OF US EXPERIMENTERS ON THIS REFLECTOR.
>>>>
>>>> a. to save money
>>>
>>>A regulated screen supply for an 8171. takes a approx. 1200v, 100mA power
>>>transformer, rectifiers, C-filter, a 723 IC, a hexfet, a SCR and a few
>>>small components. This takes perhaps $35 for swap-meet mavens The
>>>0mA grid bias supply might cost $25.
>>>
>>>> b. to get higher power out of a tube than by other classes of operation
>>>
>>>The DAFs I am familiar with ran substantial grid-current. Perhsps 1db
>>>more power resulted - compared to virtually zero grid-current
>>>operation.
>>>
>>>> c. to use a tube that is not normally suited for linear amp use.
>>>
>>>The only tubes that are simply not suited for use in a DAF amplifier are
>>>those that are producing embarrassing splatter.
>>>
>>>> d. to gain notoriaty for the "inventor"
>>HE IS VERY WELL KNOWN BY NOW - THANKS TO RICH.
>>>
>>>It's kinda like voting for Ross Perot.
>>>
>>>> e. all of the above
>>>> f. none of the above
>>>>
>>>>Inquiring minds would like to know!!!
>>>>
>>>I realize that it sounds off the wall, but I am beginning to suspect that
>>>some of the true-believers may have had trouble with an authority figure
>>>during their early childhoods.
>>YOU TRY ALL THE TIME TRY TO BE AN AUTHORITY FIGURE YOURSELF AND HAVE NOT
>>SUCCEDED SO FAR. CHECK YOUR ARCHIVE AND COUNT HOW MANY MESSAGES YOU HAVE
>>DELIVERED OVER THE YEARS AS COMPARED TO THE OTHER GUYS? HOW WAS YOUR
>>CHILDHOOD?
>>
>>For some, the 3/2-Power Law seemingly
>>>sticks in their craw.
>>O
>>>I also suspect that some of the professed True-believers are covertly
>>
>>>seeking attention.
>>AND YOU?
>
>SOONER............... DE HANS
>>>
>>>Cheers, Phil.
>>>>
>>>
>>>- Rich..., 805.386.3734, www.vcnet.com/measures.
>>>end
>>>
>>>
>>>--
>>>FAQ on WWW: http://www.contesting.com/ampsfaq.html
>>>Submissions: amps@contesting.com
>>>Administrative requests: amps-REQUEST@contesting.com
>>>Problems: owner-amps@contesting.com
>>>Search: http://www.contesting.com/km9p/search.htm
>>>
>>>
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