[Jukebox-list] Seeburg 222 amp fixed.Man it sounds good!

[Bob E.]

At 01:06 AM 7/1/06 EDT, you wrote:
>I ended up changing all the resistors around the final 12 AX7s and the  2 
>470k feeding the -35 to the 6973s.Most were all the way on the high  end of
10% 
>tolerance,some open some really high.Whew  those resistors are  fun to change.
>Was an evening project for a few evenings with maybe a half hour  to an hour's 
>time to work on it.No lead splicing done here as the caps were.I  unsoldered 
>each one and reinstalled the replacement exactly as the original was  with the 
>leads crimped on the tube pins and wrapped around the  terminals as 
>original.Takes longer but it sure looks better. The  result:I think this
222 would give 
>my Rockola 490-1 a run for the money  now.The sound is loud and clear with 
>even more bass than before.It doesn't even  distort when turned all the way
up as 
>it did before.And the static noise must  have been caused by the 
>resistors.Nothing wrong with the original preamp  transistors.

I'm glad to hear this (wish I could hear the juke!)...it confirms my suspicion
that, even though this was a first-generation amplifier for Seeburg (their first
stereo, first to use 6973 output tubes, etc.), they would not have released a
bad-sounding amplifier.  I can believe that this amplifier is more "fussy" than
the later stereos, and a more complicated design, but I always suspected that
they could be made to sound good (again) with careful work.  Congratulations!

--Bob
=======================================================================
Bob Ellingson					bobe at halted.com
Halted Specialties Co., Inc.			http://www.halted.com
3500 Ryder St.					(408) 732-1573
Santa Clara, Calif. 95051  USA			(408) 732-6428 (FAX)