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Run some unbiased tests! Good way to kill a tube! Hi - John ZS5JF
----------
> From: km1h@juno.com
> To: amps@contesting.com
> Subject: [AMPS] Re: SV: G2DAF
To: <amps@contesting.com>
> Date: Saturday, October 31, 1998 7:53 PM
>
>
>
> On Sat, 31 Oct 1998 18:17:38 +0200 "Lars Harlin" <harlins@swipnet.se>
> writes:
>
> >>Tnx Chris for interesting info.
> >>I'm no expert on G2DAF history or technic,
> >>but in SM some people are using the G2DAF design
> >>in very high power amps on SSB.
> >>I do not belive G2DAF intensions was the same.
> >>As you know, on the AMP reflector some people
> >>dump the G2DAF as a very poor design
> >>while others says it's a great design.
> >>For me the thing is to learn who is right
> >>in this matter.
> >>73's Hakan SM3LBN
> >
> >
> >Guess you have a problem there Hakan, who to belive, me or Rich and =
> >others.....Thats not easy...
> >Maybe you should leave that triode-crap behind, wich are so hungry for
> >=
> >drivepower that you need a
> >SB220 or similar between exiter and amp.
>
> Not if you use a YC-156 style triode Lars.
> Actually I would probably prefer a tube that requires an IPA. Then I
> could operate with enough power to be heard most of the time and then
> kick in the big amp when necessary. A 10dB step increase will not raise
> as much comment as 20dB +.
>
> I run a 1200W tetrode amp on 6M and drive with 12-15W. It is a a real
> pain at times to work locals, etc with the low power and yet the 1200W is
> overkill.
>
>
> >
> >Guess the best way to learn is to do! Build one of your own, and join
> >=
> >the proud crew...! ;)
>
>
> The following is to the group:
> Instead of a lot of unsubstantiated blustering from both sides of the DAF
> issue how about some real data from a spectrum analyzer? Not only the
> basic 2 tone test but a full analysis under voice condx.
> I have a spectrum analyzer as do many others....bring a DAF amp to me and
> I'll run some honest unbiased tests.
>
> 73 Carl KM1H
> >
> >Go for it Hakan!
> >
> >73 de Lars/SM3BDZ
> >
> >
> >------=_NextPart_000_0017_01BE04FA.BD838200
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> > charset="iso-8859-1"
> >Content-Transfer-Encoding: quoted-printable
> >
> ><!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
> ><HTML>
> ><HEAD>
> >
> ><META content=3Dtext/html;charset=3Diso-8859-1 =
> >http-equiv=3DContent-Type>
> ><META content=3D'"MSHTML 4.72.3110.7"' name=3DGENERATOR>
> ></HEAD>
> ><BODY bgColor=3D#ffffff>
> ><DIV>-----Original message-----<BR>From: Hakan Ericsson <<A=20
To: <amps@contesting.com>
> >href=3D"mailto:sm3lbn@swipnet.se";>sm3lbn@swipnet.se</A>><BR>Date:
> >den =
> >31=20
> >oktober 1998 11:57<BR>Ämne: SV: G2DAF<BR><BR><BR>>Tnx Chris
> >for=20
> >interesting info.<BR>>I'm no expert on G2DAF history or =
> >technic,<BR>>but=20
> >in SM some people are using the G2DAF design<BR>>in very high power
> >=
> >amps on=20
> >SSB.<BR>>I do not belive G2DAF intensions was the same.<BR>>As
> >you =
> >know,=20
> >on the AMP reflector some people<BR>>dump the G2DAF as a very
> >poor=20
> >design<BR>>while others says it's a great design.<BR>>For me the
> >=
> >thing is=20
> >to learn who is right<BR>>in this matter.<BR>>73's Hakan=20
> >SM3LBN<BR><BR><BR>Guess you have a problem there Hakan, who to =
> >belive, me=20
> >or Rich and others.....Thats not easy...<BR>Maybe you should leave
> >that=20
> >triode-crap behind, wich are so hungry for drivepower that you need =
> >a<BR>SB220=20
> >or similar between exiter and amp.<BR><BR>Guess the best way to learn
> >is =
> >to do!=20
> >Build one of your own, and join the proud crew...! ;)<BR><BR>Go for
> >it=20
> >Hakan!<BR><BR>73 de Lars/SM3BDZ<BR></DIV></BODY></HTML>
> >
> >------=_NextPart_000_0017_01BE04FA.BD838200--
> >
> >
> >--
> >FAQ on WWW: http://www.contesting.com/ampfaq.html
> >Submissions: amps@contesting.com
> >Administrative requests: amps-REQUEST@contesting.com
> >Problems: owner-amps@contesting.com
> >Search: http://www.contesting.com/km9p/search.htm
> >
> >
>
> ___________________________________________________________________
> You don't need to buy Internet access to use free Internet e-mail.
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> --
> FAQ on WWW: http://www.contesting.com/ampfaq.html
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<html><head></head><BODY bgcolor=3D"#FFFFFF"><p><font size=3D2 =
color=3D"#000000" face=3D"Arial">Run some unbiased tests! Good way =
to kill a tube! Hi - John	ZS5JF<br><br>----------<br>> =
From: <font color=3D"#0000FF"><u>km1h@juno.com</u><font =
color=3D"#000000"><br>> To: <font =
color=3D"#0000FF"><u>amps@contesting.com</u><font =
To: <amps@contesting.com>
color=3D"#000000"><br>> Subject: [AMPS] Re: SV: G2DAF<br>> Date: =
Saturday, October 31, 1998 7:53 PM<br>> <br>> <br>> <br>> On =
Sat, 31 Oct 1998 18:17:38 +0200 "Lars Harlin" <<font =
color=3D"#0000FF"><u>harlins@swipnet.se</u><font =
color=3D"#000000">><br>> writes:<br>> <br>> >>Tnx =
Chris for interesting info.<br>> >>I'm no expert on G2DAF =
history or technic,<br>> >>but in SM some people are using the =
G2DAF design<br>> >>in very high power amps on SSB.<br>> =
>>I do not belive G2DAF intensions was the same.<br>> =
>>As you know, on the AMP reflector some people<br>> =
>>dump the G2DAF as a very poor design<br>> >>while =
others says it's a great design.<br>> >>For me the thing is to =
learn who is right<br>> >>in this matter.<br>> >>73's =
Hakan SM3LBN<br>> ><br>> ><br>> >Guess you have a =
problem there Hakan, who to belive, me or Rich and =3D<br>> =
>others.....Thats not easy...<br>> >Maybe you should leave that =
triode-crap behind, wich are so hungry for <br>> >=3D<br>> =
>drivepower that you need a<br>> >SB220 or similar between =
exiter and amp.<br>> <br>> Not if you use a YC-156 style triode =
Lars.<br>> Actually I would probably prefer a tube that requires an =
IPA. Then I<br>> could operate with enough power to be heard most of =
the time and then<br>> kick in the big amp when necessary. A 10dB =
step increase will not raise<br>> as much comment as 20dB +.<br>> =
<br>> I run a 1200W tetrode amp on 6M and drive with 12-15W. It is a =
a real<br>> pain at times to work locals, etc with the low power and =
yet the 1200W is<br>> overkill.<br>> <br>> <br>> =
><br>> >Guess the best way to learn is to do! Build one of your =
own, and join <br>> >=3D<br>> >the proud crew...! ;)<br>> =
<br>> <br>> The following is to the group:<br>> Instead of a =
lot of unsubstantiated blustering from both sides of the DAF<br>> =
issue how about some real data from a spectrum analyzer? Not only =
the<br>> basic 2 tone test but a full analysis under voice condx. =
<br>> I have a spectrum analyzer as do many others....bring a DAF amp =
to me and<br>> I'll run some honest unbiased tests.<br>> <br>> =
73 Carl KM1H<br>> ><br>> >Go for it =
Hakan!<br>> ><br>> >73 de Lars/SM3BDZ<br>> ><br>> =
><br>> >------=3D_NextPart_000_0017_01BE04FA.BD838200<br>> =
>Content-Type: text/html;<br>> =
>	charset=3D"iso-8859-1"<br>> =
>Content-Transfer-Encoding: quoted-printable<br>> ><br>> =
><!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 =
HTML//EN"><br>> ><HTML><br>> =
><HEAD><br>> ><br>> ><META =
content=3D3Dtext/html;charset=3D3Diso-8859-1 =3D<br>> =
>http-equiv=3D3DContent-Type><br>> ><META =
content=3D3D'"MSHTML 4.72.3110.7"' =
name=3D3DGENERATOR><br>> ></HEAD><br>> ><BODY =
bgColor=3D3D#ffffff><br>> ><DIV>-----Original =
message-----<BR>From: Hakan Ericsson &lt;<A=3D20<br>> =
>href=3D3D"<font =
color=3D"#0000FF"><u>mailto:sm3lbn@swipnet.se</u><font =
color=3D"#000000">"><font =
color=3D"#0000FF"><u>sm3lbn@swipnet.se</u><font =
To: <amps@contesting.com>
color=3D"#000000"></A>&gt;<BR>Date: <br>> >den =
=3D<br>> >31=3D20<br>> >oktober 1998 =
11:57<BR>&Auml;mne: SV: =
G2DAF<BR><BR><BR>&gt;Tnx Chris <br>> =
>for=3D20<br>> >interesting info.<BR>&gt;I'm no =
expert on G2DAF history or =3D<br>> =
>technic,<BR>&gt;but=3D20<br>> >in SM some people are =
using the G2DAF design<BR>&gt;in very high power <br>> =
>=3D<br>> >amps on=3D20<br>> >SSB.<BR>&gt;I do =
not belive G2DAF intensions was the same.<BR>&gt;As <br>> =
>you =3D<br>> >know,=3D20<br>> >on the AMP reflector some =
people<BR>&gt;dump the G2DAF as a very <br>> =
>poor=3D20<br>> >design<BR>&gt;while others says it's =
a great design.<BR>&gt;For me the <br>> >=3D<br>> =
>thing is=3D20<br>> >to learn who is right<BR>&gt;in =
this matter.<BR>&gt;73's Hakan=3D20<br>> =
>SM3LBN<BR><BR><BR>Guess you have a problem there =
Hakan,&nbsp; who to =3D<br>> >belive, me=3D20<br>> >or =
Rich and others.....Thats not easy...<BR>Maybe you should leave =
<br>> >that=3D20<br>> >triode-crap behind, wich are so =
hungry for drivepower that you need =3D<br>> =
>a<BR>SB220=3D20<br>> >or similar between exiter and =
amp.<BR><BR>Guess the best way to learn <br>> >is =
=3D<br>> >to do!=3D20<br>> >Build one of your own, and join =
the proud crew...! ;)<BR><BR>Go for <br>> =
>it=3D20<br>> >Hakan!<BR><BR>73 de =
Lars/SM3BDZ<BR></DIV></BODY></HTML><br>> =
><br>> >------=3D_NextPart_000_0017_01BE04FA.BD838200--<br>> =
><br>> ><br>> >--<br>> >FAQ on WWW: =
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___________________________________________________________________<br>&g=
t; You don't need to buy Internet access to use free Internet =
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&=
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