[GreenKeys] HAL ST-6000 D3-130 CRT

Mon Jun 15 16:09:50 EDT 2009

John:

Thanks for the tip on Colomor. I have purchased tubes from them before for
my stack of Racal radios and accessories, but had forgotten about them as a
possible source for CRT's.

Also, thanks to Bill Henry for the alternate CRT possibilities and to Don
and Ron for your suggestions and information.

Regards,

Steve Ripper
steveripper at comcast.net
Mobile: 248-787-0705
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Today's Topics:

   1. Possible source for ST6000 CRT (John Hensley)
   2. Re: HAL ST-6000 D3-130 CRT (Bill Henry)

----------------------------------------------------------------------

Message: 1
Date: Sun, 14 Jun 2009 17:36:22 +0000
From: John Hensley <w5jv at hotmail.com>
Subject: [GreenKeys] Possible source for ST6000 CRT
To: <greenkeys at mailman.qth.net>
Message-ID: <BAY109-W450F9422664B75FA191F9D91410 at phx.gbl>
Content-Type: text/plain; charset="Windows-1252"

Steve,
There's a first rate British firm that does a lot of CRT sales you might
check with if you can will put some data together on your tube.  A few
months ago I purchased some 1" CRT's for my Eldico equipment for very
affordable prices.  The tube I bought was advertised as:
DH3/91 CV2302 CRT MULLARD 1CP1 NOS TUBE VALVE NEW 1 H
I have no idea if this is the same tube or a relative but you might draw
them a schematic of your tube and then try one to see how it works.  The
Phosphor rating should be 1 and if you measure your filament voltage, plate
voltage, etc. a fit might be found.  Tubes have enough characteristics they
sometimes share with each other and I would think CRT's would also.  Their
ebay name is (juliett mike golf seven four four): 
jmg744
Their store name is  COLOMOR VALVES TUBES COMPONENTS

> Today's Topics:
> 
>    1. HAL ST-6000 D3-130 CRT (Steve Ripper)
> 
> Message: 1
> Date: Sat, 13 Jun 2009 23:44:47 -0400
> From: "Steve Ripper" <steveripper at comcast.net>
> Subject: [GreenKeys] HAL ST-6000 D3-130 CRT
> To: <greenkeys at mailman.qth.net>
> Message-ID: <0349BDFEF02847EBB5637D1D274F3ABA at stevewzlxh4y3m>
> Content-Type: text/plain;	charset="us-ascii"
> 
> Does anyone have a data sheet (or any other information) for the D3-130
CRT
> used in the HAL ST-6000? Mine is working fine now, but I want to be
prepared
> should this tube ever fail, so I am looking for information on the
original
> and/or a possible alternate.
> 
> Regards,
>  
> Steve Ripper
> steveripper at comcast.net
> Mobile: 248-787-0705
> 
> 

_________________________________________________________________
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------------------------------

Message: 2
Date: Mon, 15 Jun 2009 10:41:09 -0500
From: Bill Henry <ghenry at halcomm.com>
Subject: Re: [GreenKeys] HAL ST-6000 D3-130 CRT
To: "Don Cunningham" <wb5hak at martineer.net>,	"Steve Ripper"
	<steveripper at comcast.net>,<greenkeys at mailman.qth.net>
Message-ID: <20090615154104.B4F6537389F9 at mailman.qth.net>
Content-Type: text/plain; charset="us-ascii"; format=flowed

Don, Steve, and all:

The original CRT used in the ST-6000 was the Brimar D3-130.  Later, 
we switched to the AEG Telefunken D3-11.  The two tubes are 
practically identical.  We also used the Ultron D3-14GH for a while 
but it requires a different socket.  The 1CP1 and 1EP1 are not direct 
replacements and will require different sockets and probably some 
wiring changes as well.  The ST-6000 CRT circuit uses a pretty low HV 
and that may also be a problem with other 1" tubes.  One other 
approach might be to look for the Millen 1" CRT module.  That's where 
we started and we bought the ST-6000 bezels from Millen for as long 
as they were in business.  The Millen module should fit mechanically 
- but you will no doubt have to play some games making your own 
deflection amplifiers.

Have fun.
Bill Henry

At 09:27 AM 6/14/2009 -0500, Don Cunningham wrote:
>Steve,
>If I remember correctly, and that's getting harder to do, hi, when I got my
>new ST-6000 from Bill Henry in 2004, he told me that the last time he tried
>to get them that they had become "unobtainium".  They were ridiculous
prices
>before (like $500 or so) then just gone.  Look for a spare on the bay,
>hamfests, etc.  There are many of these still out there, and available for
>very little now.  Great TU, by the way.  Had mine on 20m last week, and
>would this weekend BUT there's a darned contest, hi.
>73,
>Don, WB5HAK
>
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