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Re: [TenTec] 610 Has started shipping today

To: tentec@contesting.com
Subject: Re: [TenTec] 610 Has started shipping today
From: kc9cdt@aol.com
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 29 Aug 2009 16:39:56 -0400
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
I just looked everywhere I could on TT web site...no 610 keyer!

It is MIA....

73,

Lee






-----Original Message-----
From: JAMES HANLON <knjhanlon@msn.com>
To: ken.d.brown@hawaiiantel.net; Discussion of Ten-Tec Equipment 
<tentec@contesting.com>
Sent: Sat, Aug 29, 2009 3:49 pm
Subject: Re: [TenTec] 610 Has started shipping today



B&W made the antenna tuner for the BC-610.  According to Jack Williamson it was 
the BC-939.  But they didn't build any BC-610's.  

The BC-375, mentioned earlier as the antenna tuner, was a transmitter in its 
own 
right.  It had a 211 oscillator, 211 power amplifier, a pair of 211's in the 
modulator, and a 10Y speech amplifier.  It used a bunch on plug-in tuning 
units.  
It flew in bomber-sized WW2 aircraft like the B-17 and B24.  It was powered by 
a 
24 volt dynamotor.

Jim, W8KGI
  ----- Original Message ----- 
  From: Ken Brown<mailto:ken.d.brown@hawaiiantel.net> 
  To: Discussion of Ten-Tec Equipment<mailto:tentec@contesting.com> 
  Sent: Friday, August 28, 2009 6:46 PM
  Subject: Re: [TenTec] 610 Has started shipping today


  Some BC-610s were made by Hallicrafters. There was at least one other 
  manufacturer, I think it was Barker and Williamson. There may have been 
  others too. One version had round corners and the other had square 
  corners. One version the power supply had potted transformers in square 
  cornered black cans, including the plate (anode) supply transformer. 
  Another version had more like an open frame type plate transformer, yet 
  the end casings were cast iron, sort of like bell housings, and there 
  was potting material in there. The other smaller potted transformers 
  were cylindrical cans instead of rectangular with square corners.

  They had plug-in tank coils and plug-in oscillators. Space for three 
  plug-in oscillators, which could be selected by a switch. Only one tank 
  coil could be installed at a time.

  DE N6KB
  > The BC-610 was a large HF AM transmitter built by Hallicrafters with a pair 
  > of 250-TH tubes or something similar in the PA.  Just the power transformer 
  > alone  weighed over 100 pounds.  The entire transmitter probably weighed 
500 

  > or 600 hundred pounds.
  >   
  >   

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