Post questions or comments about the A12 here.
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- A12 Output Volume Question
by DreamBig » Mon Jan 28, 2019 5:15 am
- 1 Replies
- 9437 Views
- Last post by DPLight
Sun Mar 17, 2019 4:53 pm
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- New here
by xTheJokerx » Fri Jan 25, 2019 7:48 pm
- 0 Replies
- 1808 Views
- Last post by xTheJokerx
Fri Jan 25, 2019 7:48 pm
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- No phantom power, trim pot doesn't work
by goatfinger07 » Mon Oct 02, 2017 10:40 am
- 0 Replies
- 1889 Views
- Last post by goatfinger07
Mon Oct 02, 2017 10:40 am
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- Distorting and Dark A12
by DrywOwens » Mon Jun 18, 2012 6:10 pm
- 2 Replies
- 2260 Views
- Last post by joeltrane
Thu Sep 07, 2017 12:56 pm
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- A12 - Add output fader
by deadpoet » Mon Jan 02, 2017 2:12 am
- 0 Replies
- 1997 Views
- Last post by deadpoet
Mon Jan 02, 2017 2:12 am
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- 6.9v at Mic input with phantom power off?
by Diyer » Fri Oct 09, 2015 5:55 pm
- 1 Replies
- 1749 Views
- Last post by Diyer
Fri Oct 16, 2015 5:33 am
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- BOM and actual parts Rev 1.7
by Falcowe » Fri Feb 13, 2015 12:49 pm
- 1 Replies
- 1921 Views
- Last post by Falcowe
Sun Feb 15, 2015 1:27 pm
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- Problem with a12
by Ryanvegas » Wed Dec 17, 2014 6:44 pm
- 0 Replies
- 1804 Views
- Last post by Ryanvegas
Wed Dec 17, 2014 6:44 pm
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- a12b and ps02?
by randy5235 » Tue Dec 02, 2014 6:39 pm
- 0 Replies
- 1715 Views
- Last post by randy5235
Tue Dec 02, 2014 6:39 pm
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- Very hot U5 and no sound
by mikikiki » Sat Sep 20, 2008 8:14 am
- 20 Replies
- 13153 Views
- Last post by ahodgson
Mon Nov 17, 2014 10:33 am
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- Step 34 - Initial Power up and testing
by JJJames » Wed Oct 29, 2014 3:29 pm
- 0 Replies
- 1741 Views
- Last post by JJJames
Wed Oct 29, 2014 3:29 pm
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- A-12 Module Not Working, BC One Shot Has Failed!?!?!
by Fattyma4 » Wed Oct 08, 2014 12:17 am
- 0 Replies
- 1742 Views
- Last post by Fattyma4
Wed Oct 08, 2014 12:17 am
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- A12b Rev 1.1 Question
by jdier » Fri Sep 05, 2014 10:49 am
- 2 Replies
- 1800 Views
- Last post by jdier
Sun Sep 28, 2014 3:56 pm
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- Version 1.3 B.O.M and build sheet please
by patternicity » Fri Sep 19, 2014 8:24 pm
- 1 Replies
- 1679 Views
- Last post by patternicity
Sun Sep 21, 2014 9:01 am
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- A12 & SC10: which transformer for a Quad Eight sound?
by greg_i » Sun Jan 19, 2014 6:04 pm
- 1 Replies
- 2251 Views
- Last post by Category 5
Wed Aug 06, 2014 7:33 am
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- Paper Insulator
by jwryan » Thu Jul 24, 2014 10:48 am
- 0 Replies
- 1793 Views
- Last post by jwryan
Thu Jul 24, 2014 10:48 am
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- Pad for A12 with drums?
by Tone Laborer » Thu Apr 27, 2006 6:44 pm
- 4 Replies
- 4181 Views
- Last post by DrywOwens
Mon Jun 30, 2014 6:54 am
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- A12 works great, but sounds thin w/ one microphone
by dirtypigeons » Sun Apr 14, 2013 6:10 am
- 5 Replies
- 2993 Views
- Last post by tpryan
Mon Apr 29, 2013 9:00 am
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- A12B Initial Power Up and Testing...
by keevhren » Mon Apr 22, 2013 4:15 am
- 2 Replies
- 2128 Views
- Last post by keevhren
Tue Apr 23, 2013 7:01 am
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- R33 Keeps burning out
by Absentee » Sat Apr 06, 2013 12:43 pm
- 0 Replies
- 2325 Views
- Last post by Absentee
Sat Apr 06, 2013 12:43 pm
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- A12 not working, no voltage on pin 6
by astewie26 » Fri Mar 08, 2013 5:14 pm
- 1 Replies
- 1857 Views
- Last post by tpryan
Fri Mar 15, 2013 9:37 pm
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- Hum with SM57
by mGeorgeStuv » Sun Jan 06, 2013 8:37 pm
- 2 Replies
- 2679 Views
- Last post by mGeorgeStuv
Tue Jan 08, 2013 5:07 pm
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- Incorrect Voltage on A12's
by fiveinfinity » Fri Jan 04, 2013 1:16 pm
- 1 Replies
- 1930 Views
- Last post by tpryan
Mon Jan 07, 2013 2:36 pm
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- A12 cinemag potential issue
by gitsnamps » Fri Dec 07, 2012 3:16 pm
- 3 Replies
- 2324 Views
- Last post by tpryan
Tue Jan 01, 2013 2:41 am
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- 2S 2L 2R
by johnabusi » Wed Sep 26, 2012 10:09 am
- 0 Replies
- 2217 Views
- Last post by johnabusi
Wed Sep 26, 2012 10:09 am
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- A12b opamp
by casino66 » Thu Jul 26, 2012 9:35 am
- 1 Replies
- 2395 Views
- Last post by tpryan
Thu Jul 26, 2012 8:47 pm
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- a12 DC voltage mystery?
by 67tbone » Mon Jul 16, 2012 11:28 pm
- 1 Replies
- 1957 Views
- Last post by 67tbone
Tue Jul 17, 2012 3:58 pm
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- A12 phantom power not working, and sounding thin?
by endofall » Fri Jul 13, 2012 7:41 am
- 1 Replies
- 2007 Views
- Last post by tpryan
Sun Jul 15, 2012 2:50 pm
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- A12 started acting up on gain step 7
by Bhudie » Tue Jul 03, 2012 12:44 pm
- 0 Replies
- 2381 Views
- Last post by Bhudie
Tue Jul 03, 2012 12:44 pm
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- a12 ?
by 67tbone » Sat May 26, 2012 9:55 am
- 1 Replies
- 1969 Views
- Last post by tpryan
Wed May 30, 2012 9:51 am
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- Hum on one of my A12 pres
by neirbod » Sun Apr 15, 2012 8:34 am
- 2 Replies
- 2206 Views
- Last post by tpryan
Mon Apr 16, 2012 3:36 pm
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- Hot U5, and no -B voltage
by YourFrndBen » Mon Mar 05, 2012 5:57 pm
- 4 Replies
- 2438 Views
- Last post by tpryan
Mon Mar 19, 2012 9:08 pm
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- High voltage at U1 between pins 4 & 3 and 4 & 5
by Matt... » Sun Mar 11, 2012 12:22 pm
- 4 Replies
- 2389 Views
- Last post by Matt...
Fri Mar 16, 2012 9:40 am
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- 1200 ohms??
by Not_So_New » Sat Jul 09, 2005 2:20 pm
- 27 Replies
- 17842 Views
- Last post by matthemeon
Wed Mar 14, 2012 7:41 am
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- A12 and R33 problem
by pritsinghs3 » Sun Feb 26, 2012 5:28 pm
- 1 Replies
- 2060 Views
- Last post by tpryan
Tue Feb 28, 2012 5:58 pm
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- A12 Started Distorting
by Todzilla » Sat Dec 24, 2011 8:48 am
- 4 Replies
- 2910 Views
- Last post by Karl
Fri Feb 24, 2012 10:18 pm
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- Question about this module's build
by greg_i » Tue Sep 06, 2011 6:18 pm
- 4 Replies
- 3158 Views
- Last post by Phrazemaster
Sun Jan 29, 2012 8:28 pm
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- Resistors in the servo trim
by lydformidleren » Sun Jan 22, 2012 2:50 am
- 2 Replies
- 2160 Views
- Last post by tpryan
Tue Jan 24, 2012 8:39 am
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- a12
by pritsinghs3 » Sat Jan 21, 2012 1:10 pm
- 0 Replies
- 1971 Views
- Last post by pritsinghs3
Sat Jan 21, 2012 1:10 pm
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- A12 pulsing light and no sound
by muzicwiz » Mon Jan 09, 2012 8:04 pm
- 3 Replies
- 2443 Views
- Last post by tpryan
Sat Jan 14, 2012 12:39 pm
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- A12B infos???
by serpaven » Tue Jan 03, 2012 11:01 pm
- 0 Replies
- 2434 Views
- Last post by serpaven
Tue Jan 03, 2012 11:01 pm
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- Fader instead of trim
by ElektricEye » Sun May 10, 2009 9:44 pm
- 6 Replies
- 4605 Views
- Last post by Randyman...
Tue Dec 20, 2011 12:18 pm
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- No sound, high impedance on input XLR
by FinishtheDay » Sun Dec 18, 2011 9:04 pm
- 0 Replies
- 2063 Views
- Last post by FinishtheDay
Sun Dec 18, 2011 9:04 pm
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- New transformer options for the A12??
by crtstudios » Tue Aug 23, 2011 2:23 pm
- 5 Replies
- 3989 Views
- Last post by jmettam
Sat Oct 29, 2011 2:26 pm
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- A-12 Optional Resistors and other parts...
by L-SCHLEGS » Fri May 13, 2011 6:31 pm
- 3 Replies
- 2904 Views
- Last post by jamesnorth
Thu Jul 28, 2011 1:01 am
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- Voltage high on U1 between pin 3 and pins 4 & 5
by Montrealaise » Sun Jul 17, 2011 3:53 pm
- 2 Replies
- 2293 Views
- Last post by tpryan
Mon Jul 18, 2011 8:28 am
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- LED flickering on first powerup of A12
by L-SCHLEGS » Tue May 17, 2011 9:46 am
- 14 Replies
- 4926 Views
- Last post by tpryan
Tue May 17, 2011 12:48 pm
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- A12 and D11 rocks
by simondolanbass » Sun May 15, 2011 4:25 pm
- 0 Replies
- 2566 Views
- Last post by simondolanbass
Sun May 15, 2011 4:25 pm
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- Finished first A12
by 9volt dolt » Mon Apr 11, 2011 8:20 am
- 2 Replies
- 2338 Views
- Last post by tpryan
Wed Apr 20, 2011 7:01 am
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- J6
by dtrax » Thu Mar 31, 2011 7:53 pm
- 2 Replies
- 1998 Views
- Last post by dtrax
Sun Apr 03, 2011 3:06 pm
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