S skeptic12 Well-known member GDIY Supporter Joined May 28, 2012 Messages 131 Dec 3, 2018 #1 Hi, i found a stack of these boards. Does anyone recognise this design? Is it from GDIY? Thanks in advance Attachments unknown mic pre.jpeg 517.3 KB · Views: 72
Hi, i found a stack of these boards. Does anyone recognise this design? Is it from GDIY? Thanks in advance
mjrippe Well-known member GDIY Supporter Joined Dec 27, 2011 Messages 2,925 Location Brooklyn, NY Dec 3, 2018 #2 "Discrete Mic Preamplifier" but the only active components I see are ICs... Maybe there is another board that goes with it?
"Discrete Mic Preamplifier" but the only active components I see are ICs... Maybe there is another board that goes with it?
V volker Well-known member Joined Mar 15, 2009 Messages 749 Location Germany Dec 3, 2018 #3 It's the 312 preamp by Mitsos. Thread here.
mjrippe Well-known member GDIY Supporter Joined Dec 27, 2011 Messages 2,925 Location Brooklyn, NY Dec 4, 2018 #4 Aaaahhhh, now I see the 2520 footprint.
T TillM Well-known member Joined May 21, 2016 Messages 684 Location Berlin - Germany Dec 4, 2018 #5 yes definitely Mitsos 312, but there must be a second PCB, for the switches.
dmp Well-known member Joined Oct 28, 2009 Messages 3,855 Location Madison, WI Dec 4, 2018 #6 You can build a 312 or a 990 preamp (John Hardy M1) with those PCBs. They are nice. I built a 8 channel 2U 990 preamp with them here: https://groupdiy.com/index.php?topic=54082
You can build a 312 or a 990 preamp (John Hardy M1) with those PCBs. They are nice. I built a 8 channel 2U 990 preamp with them here: https://groupdiy.com/index.php?topic=54082