[time-nuts] Advice on Austron 1250A

paul swed paulswedb at gmail.com
Sun Aug 19 02:10:35 UTC 2012


Bill so thats what happened to Sulzer they became a part of austron.
I have 2 sulzers older and good units.
Regards
Paul
WB8TSL

On Sat, Aug 18, 2012 at 10:06 PM, WB6BNQ <wb6bnq at cox.net> wrote:

> Hi Dave,
>
> The Austron 1250 is a very close look alike to the hp-105 Quartz standard.
>  A
> decent quartz oscillator is certainly worth having besides the usual Tbolt
> GPS or
> Rb type references.  The Austron will certainly be a "quieter" signal then
> the
> Tbolt or Rb oscillators for short (<1 to 10 seconds) averaging times.
>
> Of course we all would like the lowest price.  If the unit is truly working
> properly, I don't think the price is too terribly high.  The only major
> drawback
> is the actual oscillator "can" inside the unit is a sealed device which I
> believe
> is the Austron 1150A Sulzer unit.  It makes repairing it, should it fail,
> harder
> to do.  However, it can be replaced with a hp-10811 type oscillator unit,
> having
> similar characteristics, without too much trouble.
>
> Consider that a hp-10811 oscillator can be had for between $50 and upwards
> to
> $150, the $250 is not a bad price.  Especially when you consider that the
> hp-10811 is just the oscillator and would need the inclusion of a cabinet,
> power
> supply and other supporting harware, etc., to achieve the same versitility
> of the
> Austron.
>
> Bill....WB6BNQ
>
> Dave M wrote:
>
> > Does anyone in the group have any experience or advice on the Austron
> 1250A
> > Crystal Frequency Standard?  I have a chance to buy one for $250
> tomorrow at
> > a local hamfest, but can't find anything in the archives on them.  It's
> very
> > clean, and the seller says that it is in perfect working order.  He's
> local
> > to the area, so I can easily get back with him in case of troubles.
> > I have a PDF of the manual, so maintenance shouldn't be a problem
> (barring
> > parts unavailability).
> > Good deal, or pass it up for a lower priced unit?  Or recommendations
> for a
> > different mfr/model?  Price is a consideration; that's one of the reason
> I'm
> > interested in this unit.
> >
> > Manual states long-term stability of <5x10e-11 per day after 90 days.
> >
> > Thanks for advice,
> > Dave M
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