[AMRadio] Re: NC-183D

[Tommye & Jim Wilhite]

John, you and Vince raise interesting questions.  The NC 183 D that I own has the D on the cabinet and uses 6BA6s for the first two RF stages and the IF stages then uses 6BE6s for the oscillator and mixer.  It completely matches the manual except for the phase inverter.  

Upon careful inspection I cannot see that it has been modified from the 6J5 to the 6SN7.  It uses a 6SJ7 for the first audio which according to the manual is correct.  Serial number is 372 1029 and not being familar with the serial number sequence, don't know if that is early or not.  Any other ideas?

73  Jim
de W5JO
  ----- Original Message ----- 
  From: W4AWM at aol.com 
  To: w5jo at alluretech.net 
  Sent: Monday, October 07, 2002 1:44 PM
  Subject: NC-183D


  Hi,

  Are you sure you don't have a regular NC-183?

  All that I can find shows the 6J5 phase inverter in the 183 model.  Possibly you have a very early D model and there was a production change.

  I have attached part of the 183 schematic showing the phase inverter circuit.

  73, John,

  W4AWM 



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