Thread: 19CK1 for Christmas!
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  #41  
Old 12-16-2012, 04:42 PM
hposter hposter is offline
hposter
  
Join Date: Mar 2005
Location: Northeastern NJ
Posts: 189
Motorola 19" serial numbers
My set is marked on the back, 19C K1B, and the serial number is E2100.

The tube layout indicates a recent production tube change from 6BL7 vertical osc/output to a 6BX7.
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File Type: jpg 19ck1-tubes.jpg (38.2 KB, 83 views)
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