Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Jay -
OK, we agree.... I've only see two fail in the last 40+ years working
with Drakes. One open filament and one just about no emission. There
wasn't anything rattling around in the latter one, so don't really know
what happened to it. It's the only "modern" tube that I recall going
that dead and still have a lit filament! :-)
I wonder if Heath had similar good luck with them.? Guess they were
designed to run all day in a very hot TV set, so an R-4(any) was
probably a vacation. Certainly a more reliable tube than the 6EJ7 !!
73, Garey - K4OAH
Atlanta
Drake C-Line Service Manual
<http://www.k4oah.com>
[EMAIL PROTECTED] wrote:
Garey -
It's a matter of semantics. :-))
I usually rate them as EXACT, GOOD or Doesn't Exist.
In a pinch, the substitutes listed will work, but certainly not as
well as the 6HS6 which is far superior than the subs mentioned.
Yes, I have tried them and do work with degraded performance...I'm an
old tube swapper from way back. ;-)
I have never seen a 6HS6 bite the dust. Again, just to feel safe, buy
a spare or two...As I stated in my original message.
I'm kinda partial to Sylvania, Mullard and Amperex.
73,
Jay/AF2C
At 04:04 PM 12/11/05 -0500, you wrote:
Garey Barrell <[EMAIL PROTECTED]> made an utterance to the
drakelist gang
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Jay -
Have you actually used any of those subs in an R-4B or other receiver?
I'm curious, because I've not had much luck with any of them. In
the Premixer stage they all give a slightly lower output but aren't
too bad, but in the First Mixer the gain and AGC characteristics are
altered significantly.
Based on my experience, I would consider them "fair" subs at best! :-)
73, Garey - K4OAH
Atlanta
Drake C-Line Service Manual
<http://www.k4oah.com <http://www.k4oah.com/>>
[EMAIL PROTECTED] wrote:
The following tubes may be used as a "Good" substitute for a 6HS6
but *NOT* as an exact substitute.
6AG5
6AU6
6BA6
6CB6
My advice...Locate some more 6HS6 units.
73,
Jay/AF2C
At 02:43 PM 12/11/05 -0500, you wrote:
[EMAIL PROTECTED] made an utterance to the drakelist gang
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hi,
I find myself with only 2 good 6HS6 spares - just wondering if
there are
replacements or equivalents for this tube or should I look for 6HS6
only.
This is for my R-4B.
Thanks!
--
73 Jason N1SU
http://n1su.com/
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