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Tim is correct. I was thinking of the T-4XB. Sorry to have been
misleading.
Cheers,
----- Original Message -----
Sent: Sunday, April 04, 2004 5:38
PM
Subject: Re: [drakelist] R-4B
question
My R4B does NOT have the OB2, Drake removed that in the later
R4A series,
early R4A had the OB2 and 6GX6 product detector, but the 11
tube version of
the R4A did away with it...73 Tim
K8WBL
>From: <[EMAIL PROTECTED]>
>To: "Ian" <[EMAIL PROTECTED]>, <[EMAIL PROTECTED]>
>Subject:
Re: [drakelist] R-4B question
>Date: Sun, 4 Apr 2004 15:46:51
-0400
>
>Ian:
>
>The R-4B still has the OB2
regulator. The R-4C uses a solid state
>regulator, in keeping
with Drake's transition from tubes to solid state
>devices. You will
note the significant reduction of the number of tubes in
>the C
series.
>
>Removing tubes in the design reduced energy needed, cut
down on heating
>problems, and increased
reliability.
>
>Cheers,
>
>Al Link,
K4ICL
>[EMAIL PROTECTED]
>139 Turner Circle
>Greenville, SC
29609
>864 420-4652
>www.K4ICL.com
>
>www.UREGS.org
for Equipment Condition Rating Standards
> ----- Original
Message -----
> From: Ian
> To: [EMAIL PROTECTED]
>
Sent: Sunday, April 04, 2004 11:09 AM
> Subject: [drakelist]
R-4B question
>
>
>
>
> I'm a Drake
newbie but thinking about getting an R-4B to relive my
>
childhood. When was V11, the OB2 voltage regulator, introduced
(or
> removed)? I think the R-4A has it but the R-4C
doesn't. If it was
>removed
> as the series
progressed, why?
>
> Also why is there no V6 in the
schematic?
>
> 73 de Ian
>
N8IK
>
>
>
>
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