CJ Well-known member Joined Jun 3, 2004 Messages 16,133 Location California Sep 20, 2014 #1 this time we have a worked over silverface, Svetlana 6L6GC, Hammond replacement transformer, has a distorted sound, Attachments t1.jpg 198.2 KB
this time we have a worked over silverface, Svetlana 6L6GC, Hammond replacement transformer, has a distorted sound,
CJ Well-known member Joined Jun 3, 2004 Messages 16,133 Location California Sep 20, 2014 #2 gonna rewind this xfmr to get higher load for plates, see if that helps, supposed to be a drop in replacement, can't vouch for that, http://angela.com/hammondoutputtransformer1750w.aspx Attachments t2h.jpg 140.5 KB
gonna rewind this xfmr to get higher load for plates, see if that helps, supposed to be a drop in replacement, can't vouch for that, http://angela.com/hammondoutputtransformer1750w.aspx
CJ Well-known member Joined Jun 3, 2004 Messages 16,133 Location California Sep 20, 2014 #3 chassis shot #1 Attachments t3.jpg 114.2 KB
CJ Well-known member Joined Jun 3, 2004 Messages 16,133 Location California Sep 20, 2014 #4 more chassis, pwr side, cable wrap is just a piece of wire, soldered to ground, ham radio trick? Attachments t4.jpg 199.1 KB
CJ Well-known member Joined Jun 3, 2004 Messages 16,133 Location California Sep 20, 2014 #5 chassis-preamp side, isn't this exciting? Attachments t5.jpg 213.6 KB
CJ Well-known member Joined Jun 3, 2004 Messages 16,133 Location California Sep 20, 2014 #6 under the hood of the cap section, Attachments caps.jpg 146.5 KB
CJ Well-known member Joined Jun 3, 2004 Messages 16,133 Location California Sep 20, 2014 #7 OPT, not a bad job, layered paper, like the original, 7 section coil, 125 EI, 1.5" stack Attachments h1.jpg 125.4 KB
CJ Well-known member Joined Jun 3, 2004 Messages 16,133 Location California Sep 20, 2014 #8 sec splice, three sections in between primaries, Attachments h2.jpg 147.1 KB
CJ Well-known member Joined Jun 3, 2004 Messages 16,133 Location California Sep 20, 2014 #9 pri wire is pretty thick, only 36 ohms for the whole pri, do not know if this is the original wire size, DCR seems low, structure- P-S-P-S-P-S-P turns pri - 515 + 515 = 1030 sec 46 turns - 3 sections in parallel 22:1 ratio 2K:4 ohms Attachments h3.jpg 166.6 KB
pri wire is pretty thick, only 36 ohms for the whole pri, do not know if this is the original wire size, DCR seems low, structure- P-S-P-S-P-S-P turns pri - 515 + 515 = 1030 sec 46 turns - 3 sections in parallel 22:1 ratio 2K:4 ohms
CJ Well-known member Joined Jun 3, 2004 Messages 16,133 Location California Sep 20, 2014 #10 RCA 35604 diodes, pwr trans - L022756 choke - 022699 reverb xfmr - 022921 Attachments d1.jpg 129.8 KB
