[Hallicrafters] SX-17 S-meter and variations

[k2wh at optonline.net]

My 17 "S" meter rests to the right, in or out of circuit.  Always have.  I thought all Halli's received did.
 
K2WH

----- Original Message -----
From: jeremy-ca 
Date: Thursday, March 13, 2008 7:03 pm
Subject: Re: [Hallicrafters] SX-17 S-meter and variations
To: HallicrafterSX28 at aol.com, hallicrafters at mailman.qth.net

> 
> ----- Original Message ----- 
> From: 
> To: 
> Sent: Thursday, March 13, 2008 3:20 PM
> Subject: [Hallicrafters] SX-17 S-meter and variations
> 
> 
> > Both the SX-17 and SX-28 (also the SX-16 ,24 and 25)share the same
> > S-meter.Anybody who disagrees with this statement needs to 
> open up an 
> > ORIGINAL SX-17
> > S-meter and compare with an ORIGINAL SX-28 S-meter .Internally 
> they are 
> > the
> > same with the exception of the dial scale.
> 
> Strange but both my 1941 SX-28 and 1946 SX-28A have meters that 
> the needle 
> rest to the right with power off. Examining several photos on 
> the web show 
> the same.
> 
> My SX-16, SX-17, SX-24, SX-25, S-27 and S-32 all rest to the 
> left. Somewhere 
> I have the external meter for a S-20R, I'll have to check that 
> also. The 
> December 1940 QST ad ( which is my birthday month/year and sits 
> on the desk) 
> also has the meter needle at the right.
> 
> 
> >
> > It is interesting that in a previous post somebody wrote that 
> "The only
> > meters that appear similar are the SX-16, SX-24, SX-25, S-27 and
> > S-32. Ive probably missed a few variations of those. The SX-
> 28 is 
> > different
> > as it has a "normal" left hand zero rest"
> > They probably don't know that an SX-32 is the same rcvr as 
> the SX-28 BUT
> > with LESS features(ANL circuitry etc) .However both the 28 
> and 32 have 
> > the
> > same type of s-meter.
> 
> 
> The "somebody" meant S-36.
> 
> 
> >
> > As far as the variations, I've noted at least two.The first 
> one is the 
> > early
> > version based on the SX-16 ,ANL control is NOT marked as "ANL" 
> on the 
> > front
> > panel,band shaft doesn't extend to the rear apron,the 
> circuitry is exactly
> > like an SX-16,the Noise limiter tube is an 6J5 triode 
> connected as diode
> > ,knobs have pointers .I've used the SX-16 schematic to work on this
> > type(components values exactly match).
> > The later run has no pointers on knobs,ANL control is marked 
> as "ANL" on
> > the front panel,6H6 used as Noise Limiter..There are 
> significant 
> > electrical
> > differences .The commonly avaliable SX-17 manual covers this model.
> > Then there is also the SX-17F which is the FCC version.
> > AMK
> 
> 
> Thanks, I have the later version.
> 
> Carl
> KM1H
> aka "somebody"
> 
> 
> >
> >
> >
> >
> >
> >
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