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Thanks everone for the info.
Marv the 6156 is made by Rogers, 36-56 is the date code.
73
Carl
-----Original Message-----
From: Radio WC6W <wc6w@juno.com>
To: ve3by@bmts.com <ve3by@bmts.com>
To: <amps@contesting.com>
Date: Saturday, October 06, 2001 11:25 PM
Subject: Re: [AMPS] Fw: tube-6156
=20
=20
=20
On Sat, 6 Oct 2001 18:53:46 -0400 "Carl & Kim Styan" =
<ve3by@bmts.com>
writes:
>
>Correction on one of the tube numbers. 3X300A1 should read =
3X3000A1.
>73
>Carl
=20
Hi Carl,
The 6156 is an old Amperex number for a premium 4-250A. May have =
also
been manufactured by Eimac later -- I'll bet whoever made it marked =
it!
=20
The A1 is only useful as an audio amp. The A3 may be used as =
either
an audio amp or a grid driven RF amp. Neither is suitable for =
cathode
driven service with their low =B5. Do you have any friend's who =
want to
build a big Tesla coil?
=20
73,
Marv WC6W
=20
=20
=20
>
>
>Came across 3 - 6156 tubes during my basement clean up. they look=20
>like =3D
>a 4-400. Does anyone has a cross reference for this number.
>=3D20
>also found:
>3X300A1 and a unused Econoco 3CX2500A3.
>If I remember the mu (20?) is much different from a 3CX3000A7. =
both=20
>use =3D
>the same coaxal socket as a 3CX3000A7.
>Are these good for SSB service. or land fill.
>=3D20
>73
>Carl
>=3D20
>
=20
________________________________________________________________
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<DIV><FONT color=3D#000000>Thanks everone for the info.</FONT></DIV>
<DIV><FONT color=3D#000000></FONT>Marv the 6156 is made by Rogers, 36-56 =
is the=20
date code.</DIV>
<DIV>73</DIV>
<DIV>Carl</DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 solid 2px; MARGIN-LEFT: 5px; PADDING-LEFT: =
5px">
<DIV><FONT face=3DArial size=3D2><B>-----Original =
Message-----</B><BR><B>From:=20
</B>Radio WC6W <<A=20
href=3D"mailto:wc6w@juno.com";>wc6w@juno.com</A>><BR><B>To: </B><A =
href=3D"mailto:ve3by@bmts.com";>ve3by@bmts.com</A> <<A=20
To: <amps@contesting.com>
href=3D"mailto:ve3by@bmts.com";>ve3by@bmts.com</A>><BR><B>Date:=20
</B>Saturday, October 06, 2001 11:25 PM<BR><B>Subject: </B>Re: =
[AMPS] Fw:=20
tube-6156<BR><BR></DIV></FONT><BR>On Sat, 6 Oct 2001 18:53:46 -0400=20
"Carl & Kim Styan" <<A=20
=
href=3D"mailto:ve3by@bmts.com";>ve3by@bmts.com</A>><BR>writes:<BR>><=
BR>>Correction=20
on one of the tube numbers. 3X300A1 should read=20
3X3000A1.<BR>>73<BR>>Carl<BR><BR>Hi Carl,<BR> The 6156 =
is an old=20
Amperex number for a premium 4-250A. May have also<BR>been=20
manufactured by Eimac later -- I'll bet whoever made it marked=20
it!<BR><BR> The A1 is only useful as an audio amp. =
The A3=20
may be used as either<BR>an audio amp or a grid driven RF amp. =
Neither=20
is suitable for cathode<BR>driven service with their low =
µ. Do=20
you have any friend's who want to<BR>build a big Tesla=20
coil?<BR><BR>73,<BR> Marv =20
WC6W<BR><BR><BR><BR>><BR>><BR>>Came across 3 - 6156 =
tubes=20
during my basement clean up. they look <BR>>like =3D<BR>>a =
4-400. Does=20
anyone has a cross reference for this =
number.<BR>>=3D20<BR>>also=20
found:<BR>>3X300A1 and a unused Econoco 3CX2500A3.<BR>>If I =
remember=20
the mu (20?) is much different from a 3CX3000A7. both =
<BR>>use=20
=3D<BR>>the same coaxal socket as a 3CX3000A7.<BR>>Are these =
good for=20
SSB service. or land=20
=
fill.<BR>>=3D20<BR>>73<BR>>Carl<BR>>=3D20<BR>><BR><BR>____=
____________________________________________________________<BR>GET=20
INTERNET ACCESS FROM JUNO!<BR>Juno offers FREE or PREMIUM Internet =
access=20
for less!<BR>Join Juno today! For your FREE software, =
visit:<BR><A=20
=
href=3D"http://dl.www.juno.com/get/web/";>http://dl.www.juno.com/get/web/<=
/A>.<BR></BLOCKQUOTE></BODY></HTML>
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