[Hammarlund] John R. Leary modified SP-400X for auction

[Les Locklear]

John R. Leary would typically take a SP-600 strip the chassis down, removing 
resistors, capacitors wiring etc. He would then in his own words, 
"Re-Engineer" the Hammarlund SP-600. He would modify them depending on what 
that particular person wanted. I owned three of them, two of them had wild 
garish colors on the chassis, and if cans. Typically pink, blues and reds. 
One was a black faced SP-600 with a product detector that was red, black and 
gray. All were "hot" receivers, John would typically add a calibrator with 
100 kc and 1 mc markers, dual voltage regulators, an OA2 and a OB2, much 
better stability than a stcok SP-600, some had a 6EJ7 for the 2nd mixer with 
a potentiometer controlled cathode bias adjust for those weak stations on 
the higher frequencies. He solid stated the power supplies, but did it 
right, as excess B+ wasn't a problem. John usually supplied a "book" of hand 
written notes about that model or it might cover several others he built. 
One of the receivers had mostly blue wiring with a white tracer, John must 
have had several rolls of that particular color.......:-)

One had a Q-Multiplier that plugged in a rear socket. He built many SP-200 
and variants in his early days, even made a National NC-800 using two 
NC-400's. He concentrated on the SP-600's in later years. A doctor in South 
Dakota used to get another one each year when he attended Dayton, John would 
have another ready for him. The last time I spoke with him, He had 7 or 8 
Leary SP-600's. Some were numbered, some weren't. The last one I am aware of 
was #38 and was a SP-600 with a separate power supply and a product 
detector.

Joel Thurtell wrote an article for Electric Radio Magazine a few years ago 
about John R. Leary. He passed away a few years ago. He lived in Fortsville, 
Indiana.

Les Locklear
Monitoring Since '57
Located On the Gulf of Mexico
Gulfport, MS.
http://www.hammarlund.info/homepage.html

----- Original Message ----- 
From: "Ziegenbein, Randy" <rziegenbein at volcanotherapeutics.com>
To: "Bob Young" <youngbob53 at msn.com>; "Les Locklear" 
<leslocklear at cableone.net>; "hammarlund" <hammarlund at mailman.qth.net>
Sent: Friday, March 10, 2006 5:40 PM
Subject: RE: [Hammarlund] John R. Leary modified SP-400X for auction


Yes, tell us about this SP-600 and the person who did the mods.
73,
Randy

-----Original Message-----
From: hammarlund-bounces at mailman.qth.net
[mailto:hammarlund-bounces at mailman.qth.net] On Behalf Of Bob Young
Sent: Friday, March 10, 2006 2:58 PM
To: Les Locklear; hammarlund
Subject: Re: [Hammarlund] John R. Leary modified SP-400X for auction

Is that a good modified radio? The tech is well known?

Bob Young
Millbury, ma


----- Original Message ----- 
From: "Les Locklear" <leslocklear at cableone.net>
To: <hammarlund at mailman.qth.net>
Sent: Friday, March 10, 2006 2:13 PM
Subject: [Hammarlund] John R. Leary modified SP-400X for auction


> I wonder what happened to the power supply? John never sold incomplete
> radios.
>
>
>
>
http://cgi.ebay.com/Hammarlund-Modified-Super-Pro-SP-400-X_W0QQitemZ5876
790903QQcategoryZ4673QQrdZ1QQcmdZViewItem
>
>
> Les Locklear
> Monitoring Since '57
> Located On the Gulf of Mexico
> Gulfport, MS.
> http://www.hammarlund.info/homepage.html
>
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