Seventh Circle Audio Support and Feedback for Seventh Circle Kits    FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  C84 Moderators: None Users browsing this forum: None Goto page 1, 2, 3  Next    Seventh Circle Audio Forum Index -> C84 Mark all topics read  Topics   Replies   Author   Views   Last Post  Announcement: Rev 1.9 assembly instructions are up 2 tpryan 885 Fri Aug 01, 2008 2:54 pm oshearer Announcement: New preamp kit! 7 tpryan 4335 Thu Jun 02, 2005 11:10 am Category 5 C84 circuit behavior interest and solo PCBs? 0 orbitage 1 Wed Sep 08, 2010 12:02 am orbitage C84 vs. Sytek MPX4A comparison? 3 niccolo 886 Thu Aug 19, 2010 1:25 pm Karl Custom Dual C84 Rack/PSU. Help please? 1 pablobolche 92 Thu Jul 29, 2010 10:52 am tpryan U5 getting rather hot, and only sending about 13VDC 1 nickapaton 131 Tue Jun 08, 2010 10:41 am tpryan C84 working fine, then blew up, now shows problems 1 monkeyxx 152 Wed May 26, 2010 1:16 pm tpryan Need help with bias adjustment - troubleshooting C84 11 oddur 547 Tue Apr 13, 2010 11:20 am oddur Testing my two C84s 1 Woolie 219 Wed Feb 24, 2010 10:30 am tpryan Step 39 Voltage 5 brettyc 238 Tue Feb 23, 2010 10:32 am tpryan Older and new C84 for stereo recording. 4 PJD3 444 Sun Jan 31, 2010 6:01 pm PJD3 2 C84's, different Revisions. 0 PJD3 208 Tue Jan 19, 2010 10:09 am PJD3 Missing 1R8 resistor 1 PJD3 167 Thu Jan 14, 2010 7:24 am tpryan U1 voltages - why not higher? 1 Jezza 229 Sun Dec 27, 2009 11:40 am tpryan C5 & C6 Polypropylene caps 2 Jezza 184 Fri Dec 25, 2009 10:43 pm Jezza c84 acting funny. clips attached 2 gregovertone 339 Thu Dec 17, 2009 6:32 pm gregovertone MJE 172 smoking, why??? 4 3nity 919 Sat Nov 28, 2009 8:38 am tpryan C84s working great, thanks Tim 0 Kaji 432 Wed Sep 30, 2009 10:04 pm Kaji Step 38: Measuring - 16.9 V 5 jbean46 528 Mon Sep 14, 2009 6:29 pm jbean46 C84 "buzz" on output. 0 tourtelot 252 Mon Sep 14, 2009 3:49 pm tourtelot Which famous american design? [ Goto page: 1, 2 ] 16 audioartist202 3137 Sat Aug 22, 2009 7:29 am driz Step 16: Transistor orientation? 1 rmaier 320 Mon Jul 20, 2009 9:05 am tpryan C20 and C27 7 Philocor 470 Mon Jul 13, 2009 6:58 am tpryan Pin-outs (ins) for C84 power 3 tourtelot 341 Sat Jul 11, 2009 10:56 am tourtelot C84 dull next to my N72 ? 2 dukati 530 Fri Jul 10, 2009 10:42 am dukati C84 built, low output 8 Philocor 586 Thu Jun 04, 2009 7:53 am Philocor Other OP amp options 1 Philocor 371 Sun May 31, 2009 9:42 pm tpryan pin 8 / 4 both read 28V? 1 mrniss 284 Wed May 20, 2009 2:44 pm tpryan 36-Adjust R64 & R68 +-18V, set R8 and R9 [b]BELOW[/b] 13 2 hugo_insider 376 Fri May 15, 2009 11:42 pm hugo_insider What did I smoke? 1 jakejoseph 385 Mon Apr 27, 2009 10:04 am tpryan Need BOM for Rev 1.4 0 Bmushal 249 Thu Apr 09, 2009 2:14 pm Bmushal step 38 2 nohjoh 339 Mon Feb 23, 2009 6:51 pm nohjoh Hum Problem 14 cominginsecond 2945 Mon Feb 16, 2009 7:20 pm tpryan Blazing Hot U5 & U6 and incorrect U1 voltage... Help! 13 nohjoh 1004 Sat Feb 07, 2009 10:47 pm nohjoh output buffer, Class-A, Class_B? 1 rk80 357 Sat Jan 17, 2009 5:19 pm tpryan Step 38) 1.5 volts on R8 & R9? 6 mltamisin 416 Mon Dec 29, 2008 3:11 pm mltamisin both pres are noisy now 3 rjrockandrollmachine 407 Sun Dec 21, 2008 6:06 pm tpryan Different C84's 2 Jerry Pbury 532 Mon Nov 10, 2008 1:10 pm Jerry Pbury C84 Noises 13 mrsteaks 1135 Mon Oct 20, 2008 3:21 pm tpryan intermittent noise 1 csavsquad 404 Thu Oct 16, 2008 6:55 am csavsquad Two new C84's online 0 DPLight 514 Mon Oct 13, 2008 6:26 pm DPLight Gain Pot Clicking 2 rjrockandrollmachine 436 Fri Oct 03, 2008 12:20 pm rjrockandrollmachine U1 Pin 8 6 Nu-tra 654 Fri Aug 29, 2008 8:23 am dkatz42 incorrect voltage on U1-3, pin 8 0 oshearer 374 Fri Aug 01, 2008 2:45 pm oshearer Step 39 3 matty k 607 Fri Jul 25, 2008 3:06 pm infested3d U1 Pins 4 and 8 2 Nu-tra 404 Fri Jul 04, 2008 12:09 am Nu-tra Problems with U1/3 pin 4 voltages. 1 atiller 441 Tue Jul 01, 2008 3:00 pm atiller 2 Things: Step 13, and C33/C37 (Assembly Instructions issue) 1 atiller 428 Tue Jul 01, 2008 10:05 am tpryan Impedance Selection? 1 Ken Schumacher 532 Fri Jun 20, 2008 9:40 am tpryan R31 through R34 Question 1 mrsteaks 437 Wed May 14, 2008 8:16 am tpryan U3 Voltage Problem 2 leo 536 Tue May 13, 2008 9:29 am leo Positive voltage regulator 1 reypina 433 Mon May 12, 2008 5:57 pm tpryan Display topics from previous: All Topics1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year     Seventh Circle Audio Forum Index -> C84 All times are GMT - 8 Hours Goto page 1, 2, 3  Next Page 1 of 3 Jump to: Select a forum Seventh Circle Audio Forums----------------General DiscussionA12C84D11J99N72T15Chassis and Power SuppliesBuy/Sell/Trade  New posts    No new posts    Announcement New posts [ Popular ]    No new posts [ Popular ]    Sticky New posts [ Locked ]    No new posts [ Locked ] You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum Powered by phpBB © 2001, 2005 phpBB Group Protected by Anti-Spam ACP