[ARC5] OS-8 scope, transistorizing

[jmfranke]

I believe the model OS-8E scope was solid-state, except for the CRT of 
course. You might see if there is a manual out in the wide spaces for it.

John  WA4WDL

--------------------------------------------------
From: "Kludge" <wh7hg.hi at gmail.com>
Sent: Saturday, August 06, 2011 12:20 PM
To: "'arc5'" <ARC5 at mailman.qth.net>
Subject: Re: [ARC5] BC-453 Mods

> -----Original Message-----
> From: arc5-bounces at mailman.qth.net [mailto:arc5-bounces at mailman.qth.net] 
> On
> Behalf Of neilb at ihug.co.nz
>> I think you are referring to the device known as the  FETRON.  I first
> became aware of them
>> in about 1980 when my employer began fitting them to communications
> equipment at the
>> plant where I worked here in Auckland.
>
> There are two OS-8/U scopes in storage here awaiting overhaul which could
> definitely benefit from these.  When I went over them to see what they
> needed, one thing I noticed was the heat damage inside from the tubes
> combined with the lack of air & ventilation.  While an article exists
> regarding improvements to the scope that includes installing a fan, I'd
> really rather not do that.  FETRONs or something of that order seem to be
> the optimal solution albeit one I can afford by the same definition under
> which I can afford even a barely recognizable KWM-2A - i.e., not at all.
>
> Best regards,
>
> Michael, WH7HG ex-K3MXO, ex-KN3MXO, WPE3ARS, BL01xh ex-Mensa A&P PP BGI
> Escapee from the Home for the Terminally Weird
> http://www.nationalmssociety.org/chapters/NTH/index.aspx
> http://wh7hg.blogspot.com/
> http://kludges-other-blog.blogspot.com
> Hiki Nô!
>
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