I have a microphone without a transformer, but I want to get a transformer tone and for that I will do something like a microphone splitter. The prices are 900RMB and 1300RMB. local voltage is 230V 50Hz(New Zealand) The transformer I got from RS is 347-2565. If you can use this payment method, you can directly pay me RMB. The mic pre is discrete just like the original, but the EQ and the output stages allow IC or discrete op-amps. Therefor the DI box is in no position to be a safety ground. Per channel 62 input. com When you buy products through links across our site, we may earn an affiliate commission. As for some background ; I&39;ve been DJing since 2006 and played my first gig in 2007. In the 436 circuit the TC related component values are C41uF, R9270K and P21M, and using the formula the available release times calculates out to a range of 0. I moved the limit option from the ratio selector so simple Lorin switches could be used. migidee Well-known member. PCB&39;s 30 ea. I picked this because it a CPB mounting version of the Carnhill VTB9046 which is pretty much the 31267 line input transformer we used at Neve back in the 70s. Almost 1Amp at FFw or REV. So first impressions- probably the best 10468 clone on. I Bought a ster. Contact & Company Search Sales Automation Conversation Intelligence Workflows. Tie wires from the input trafo -, cathode, decoupling cap and the rest of the first tube's ground connections together. This is the most overkill heater psu commercial design that I know off. All build related materials and pics will be posted first, and please feel free to post any technical, BOM, or assembly related questions. And yes, the Primo capsules are excellent I've been debating getting a used CAD E200, which I believe used two Primo EM204s, but I've heard a lot of stories of CAD mics suddenly dying out of the blue. Loads of discussions have occured in the past. Hi guys Here will be posted info for 33609 builders. If you want to wind thin wire and small coil, there is some limitation. I have an original BA6A which spent all of it&39;s previous life in a radio station transmitter rack. Mar 31, 2023. Yeah - that stuff is Lock-tite. 1A instead of a 0. Judging by the type-number (TDM- i. You need an SMPS that is 3V higher than the final regulated voltage. Dec 30, 2010 I have read a lot about capacitors in the audio path on this site and others lately, and I have learned a ton. Joined Nov 23, 2005 Messages 272 Location Finland. Help Support GroupDIY Audio Forum P. A"Flat" K47 without the 5k bump of the original capsule And an all-custom K87 Retail prices 119 for the Flat K47. Joined Oct 29, 2006 Messages 95 Location USA - Portland Oregon. Joined Jul 7, 2008 Messages 165 Location Ohio. Maybe you can buy 797 audio directly, the unit price will be much cheaper, but as far as I know, they will not sell in small amount, at least 100 pieces. smallbutfine Well-known member. Im installing these within a Neve 1290 preamp so just need to check exactly how i would connect as not going to use transformer, as already have transformer in Neve 1290 preamp. Dec 25, 2022 1 I found one schemo for a Marshall. This is not an opinion, it&39;s a fact, and I have 16 years of recording professionally that proves that. Modern USB-C based ones can deliver actually as much as 20V5A and have 100Wh Lipo 18650 batteries. Sounded much more clean and natural. Apr 7, 2020. Feb 6, 2019 The Waves servers seem quite expensive for what is a box filled with standard PC components. In the 436 circuit the TC related component values are C41uF, R9270K and P21M, and using the formula the available release times calculates out to a range of 0. Jun 15, 2009. Garth Brooks, NBC studios Burbank, Vangelis (Chariots of Fire soundtrack), and far too many major hits of the mid 70's to late 80's to count, with hundreds of installs worldwide, standing head-to-head with similar consoles from API, MCI, Harrison and other hybrid designs. CMR is sucky all right---about 54dB from quick sims. Input measures 110 (60060k). The original unit slides into a 19" rack mount tray with connectors on the back. BuySellTrade personal items. Joined Jul 7, 2008 Messages 165 Location Ohio. Note that your -15 supply after regulation is going to yield -12V. Here is a few links of some very basic tests. Sep 15, 2010. 3 - Knobs. In the 436 circuit the TC related component values are C41uF, R9270K and P21M, and using the formula the available release times calculates out to a range of 0. This mic once finished will be called the OA tribute U47. It would be an N channel into 2 with each channel module sporting micline inputs switched micline gain (up to 60dB on mic) 20dB pad, phase. Building a Vintage-style U87 Mic Is Easier and Cheaper Than You Think (Video) April 30, 2013 1143 35 Comments. Info on the SSL 4K consoles Different Preamps E SERIES E-series are 82E01 or 82E149 The original was card number 82E01 which used a Jensen transformer. C6 and SW2 provide a HPF, but this one has a twist. View GroupDIY (www. Hi Kingston, no, no, do not modify the Amps of the M15. As the title states, this is the official buildsupport thread for the VP312. So, if I've done things correctly, Voltage ratio is 11, or considering the center tap 211. All build related materials and pics will be posted first, and please feel free to post any technical, BOM, or assembly related questions. Jan 15, 2019 Messages. I have a hankering for spring reverb and nothing else will do. Apr 5, 2019. Then that green ink gets cured in an oven to fix it and fine tune the bulk resistance. Therefor the DI box is in no position to be a safety ground. I&39;ve been looking to buy an isolated power supply to feed my six or seven guitar pedals, but i&39;m not really happy with what options are out there. The J-series added a gate hold time control and a PeakRMS detector switch, but s otherwise the same. 1 of 2 Go to page. i thought I would start a thread specifically for this card, as it's referred to as parts of other projects - mylesgm, JLMaudio and sodderboy have posted related threads, but will focus here on working specifically with elements and applications. I randomly came across the BM-700800 cheap chinese SDC mods using the Alice circuit and I really liked the idea as well as the result, getting a microphone worth around 400 for less than 100. For the audio, if you can do a sweep, check loaded vs unloaded and see if anything significant happens to the curve. I needed to rack a DBX 900 module recently. Disclaimer I&39;m not making money by buildingrepairingmeasuring mics. soliloqueen said Over many years, salt from spit and dust will accumulate and eventually it can form a conductive pathway from the diaphragm to the backplate. That&39;s the sound of oscillation. Im mainly looking to reduce my workload and only replace those parts that are going to improve the mic, the mic i have seems to suffer from what i can best describe as high end fizzle. Help Support GroupDIY Audio Forum skal1 Well-known member. In it's basic incarnation it doesn't do massive gain reduction and has unbalanced connections. I am looking through a number of designs and I think I would like to explore the Federal AM864 limiter using a 6av6 tube. Jun 26, 2008. So far I have A list of the correct tubes, Rotheu's neon bulb balance circuit, common VK1 schematics (which are quite obviously a close RS124 derivative), real RS124 response curves, and lots of text info I've gotten from people "in the know". TIRDI-500 PCB (including 4 knobs and front panels) 50. META - Discrete Operational Amplifiers. Terminate the transformer secondary with a 200 ohm resistor. The PCB footprint is identical to the previous C12 design, however more closely follows the circuit implementation of the ELA M251. What is the criteria for choosing the correct coupling cap in a circuit. I'm asking if anyone has any recommendations as to which zeners would be best. Then make a ground pour down the middle, above and below stitched with vias and get all of the spade terminals and caps close together. The transformer is the PA-5946 Output (UA1008,UA175) with extra taps for the different ratios. Jun 11, 2010. It would be nice if all you needed to do was match the input R. I knew I wanted a U-87 for vox, but I know I can&39;t turn down a better sound, IF it&39;s just as versatile and performs just as well over a wide variety of applications. The guy from DIY Perks builds a nice microphone and compares it to the Neumann U87ai. This is the official build and support thread for the C12 Clone project. This is not the definitive guide and you are welcome to add or suggest further links and I will update them. I would like to here if anyone know if it is possible to rewire the 7-pin plug on the SE2000T microphone so it works with the powersupply from the t-bone stc 800 powersupply I have the se2000t but no powersupply and it does not seem to be an option to find the. Nov 17, 2004. Helios type 69, with some guidance from Ian's brilliant project for the EQ. Unless you have a desire to go into manufacturing, and assuming you wanted a T4 cell to behave EXACTLY like an original Urei T4 cell, it would be best to just purchase the Kenetek T4 opto cells. I didn&39;t start this build thread, and we&39;ve never called it that. You can see that the rev C (1st blackface) had LN circuitry mod added. I plan on building the preamps with zero negative feedback fixed gain with different pads and in his SRPP topology. Jun 11, 2010. Also check the resistor values around the gain switch. What could they be meaning w. Nov 23, 2012. The critical voltage (where increasing field strength slams the diaphragm into the backplate) is 405 volts. Mar 27, 2006. A"Flat" K47 without the 5k bump of the original capsule And an all-custom K87 Retail prices 119 for the Flat K47. Oct 17, 2005. 27 Sec and 1uF x 1. Joined Apr 15, 2017 Messages 2,752 Location Norway. I know the B2 Pro is a pretty "well known" mod platform, for lack of a better word, due to it being a multipattern U87 copy with the negative feedback circuit in it. I took out the input tranny and used the regular balanced input and am much happier. I've never been entirely sure about that type, but cap info in RDH4 suggests it as a primary manufacturing method. My rough math for VCC based on a 1. Just do it manually and replace the files with the ones from Waves. The design is a hybrid, in that it retains the PSU-switchable polar patterns of the C12, however shares the. NOS Freed Push Pull Output Transformer 8k600 Ohm RCA BA6A Compressor 15Hz-20khz eBay. Nov 3, 2021. For cleaning PCBs, mix isopropanol (99) and acetone at a 91 ratio (e. Its shared with the Groupdiy account, so anyone can accessedit. Primo EM200 Cardioid Electret. Joly completely ignores it, with no explanation. Electronics Schematic. Very little changed from stock. 1 mm Diaphragm diameter 26. 8 - Audio Transformers Sowter 1090 15k 600 output transformer 1449 Input. roll As long as the additional preamp ('third section') is not relevant - so for gains less than say 50dB -, I wasn't aware of any differences. I know you are asking because you don't have one, but, if you can get your hands on one. Find many great new & used options and get the best deals for NOS Freed Push Pull Output Transformer 8k600 Ohm RCA BA6A Compressor 15Hz-20khz at the best online prices at eBay Free shipping for many products www. Im mainly looking to reduce my workload and only replace those parts that are going to improve the mic, the mic i have seems to suffer from what i can best describe as high end fizzle. Horvitz from the forums here was kind enough to donate a PSU PCB for me. Compared to my RevD it definitely has the same character minus transformer. Nashville, Tn. 8uF if using THAT chip. Here is a few links of some very basic tests. The guy from DIY Perks builds a nice microphone and compares it to the Neumann U87ai. This was due to Neumann's difficulty in sourcing high quality 2N3819s. A few designers and manufacturers over there in GroupDIY forum have recently come up with a new rack standard concept called GroupDIY 51x Alliance, the price and availability of which has been finally announced. I've been looking to buy an isolated power supply to feed my six or seven guitar pedals, but i'm not really happy with what options are out there. 5inches deep. Its tricky , I have to pretent to be the signal and I find myself twisting through the gain knob traces as If I. com) location in Indiana, United States , revenue, industry and. Now, I haven&39;t heard an original EMI unit, or one of the new Chandler ones. I know that many people tried his mod and consider it an improvement, he even say that the moded HD24XR sounds as good (or better) as the. Also the amount of heat produced by the tube will be lower. Hi guys Here will be posted info for 33609 builders. Joined Oct 15, 2010 Messages 2,388 Location. I've been reading all threads about passive summing mixers and plan to build one. In the 436 circuit the TC related component values are C41uF, R9270K and P21M, and using the formula the available release times calculates out to a range of 0. So it doesn&39;t seem to hard to build a server and flash the image to an ssd drive. Try the transformer at the preamp end first. The noise floor is much lower than on an original 1176, distortion is about the same (after all - it&39;s a FET comp). Feb 20, 2011. This beast was removed in (supposedly) working order from KBPS radio here in Portland sometime in the last couple of years. 75 for the expensive stuff. There is a large thread about the D12 with lots of. then I put the pre on a (old) vacant fredenstein bento2, and. I&39;m attempting to build a 5 band EQ with controls for frequency, bandwidth, gain and individual band bypass switches. I only found one information about this transformer, it says it was used by UA for "recreation" of M610 preamp. Electret cardioid capsule Sensitivity -41 dB - 3 dB Signal to Noise 78 dB at 1 kHz Max SPL 136 dB 3 wire connection Operating Voltage 3V to 10V 14. Hi, I would like to provide you with some files, information and recommendations for the NU FEDERAL 864 built based on our new developed pcb Zayance & bernbrue. 1) get all the moisture out of the windings. Mar 13, 2012 Now I am reasonably happy with the poor man&39;s tube mic pre design I thought I might use it as the basis of a simple, easy to build tube mixer project. I was able to fix one of my 1030 speaker by replacing one filter electrolytic capacitor that had blown but unfortunately I was never able to get schematics for these speakers. As the GroupDIY thread has become quite complex and because several people reported issues joining the conversation, I've decided to set up a new topic here on GS. Just about the best equipment to study for turrettag board layouts would be older classic test equipment from such as H. Outstanding - Easier For Beginners Transformer and Inductor Design Handbook Colonel Wm. com) location in Indiana, United States , revenue, industry and description. With the left channel increased by 2. As requested, this is the support thread for my Zener Limiter boards. They are not available. Help Support GroupDIY Audio Forum 1; 2; Next. The WE640 condenser mike has a 0. Today at 1155 AM. Mar 11, 2010. Dec 13, 2011 21 I only have two basic drawings, like this one Attachments. So you can replace it with better (or at least more expensive) if you want. please always include your forum name and location for a quote. Today at 1227 AM. Dec 20, 2006 1 I have some patch bays that I just hooked up and they have been sitting in storage for years and so have the cables. 2x Equinox Systems Q47-D capsule system (matched pair) 424. So you can replace it with better (or at least more expensive) if you want. Microphone Meta This is a meta-thread, made to allow members to keep track of the posts concerning this single issue - I will continue re-editing this first post. No need for anything extra. Gus Well-known member. PSU cases. In one configuration sounds better, in other worse but overall decent. PSU cases. rev02 just doesn't fit the front panel silkscreen - but since you are doing your own frontpanel no problem. Joined Jun. I have designed a new (more DIY friendly) PCB for Neumann W492. Jul 17, 2011. You might wish to do some tests to see if it is necessary to make this a gain stage. Today at 1237 AM. Paoli, PA, USA. Jan 3, 2011 Hi dtrax, I don&39;t know if you have already solved this problem. Sep 29, 2012 This pcb kit designed by Matador is a faithful reproduction of the vintage AKG C12 microphone. Mar 22, 2006. Joined Jun 3, 2004 Messages 5,213 Location n. for my prototype I&39;m using a Jensen JT-16-B. See the drawing attached. Jan 23, 2010. on the front panel, As there is not so. Unless you have a desire to go into manufacturing, and assuming you wanted a T4 cell to behave EXACTLY like an original Urei T4 cell, it would be best to just purchase the Kenetek T4 opto cells. Documents related to the build (assembly, calibration, templates, etc. the idea of the 100uF came from the Moog Filter witch uses a 220uF. It would be an N channel into 2 with each channel module sporting micline inputs switched micline gain (up to 60dB on mic) 20dB pad, phase. - Everyone is welcome to reply with comments. No need for anything extra. Joined Jul 7, 2008 Messages 165 Location Ohio. It would be nice if all you needed to do was match the input R. Garth Brooks, NBC studios Burbank, Vangelis (Chariots of Fire soundtrack), and far too many major hits of the mid 70's to late 80's to count, with hundreds of installs worldwide, standing head-to-head with similar consoles from API, MCI, Harrison and other hybrid designs. I've put the Bom into a Google docs spreadsheet. "Audio Transformer Design Manual", Wolpert, 36, privately published, available from Robert G. Cheers, That is not the same account name you said last time. Bone SCT800 donor microphone, a relatively cheap mic which is easy to get in Europe for a very decent price (used between 65-120. In the 436 circuit the TC related component values are C41uF, R9270K and P21M, and using the formula the available release times calculates out to a range of 0. Just wondering. Get and idea for how handy they can be with your tube mic builds, external psus. I've been actively trying to build a custom soundgrid server, based on the open source files provided by Waves. here is a primary inductance curve, looks like we have 80 Ni instead of the rumored 5050 alloy, this is revealed by the saturation voltage which equates with the K-gauss saturation specs for Supermalloy and similar core material, Attachments. 1 types probably are also. Anyway, I&x27;ve been dreaming of making a rotary DJ mixer for about 10 years now. Oct 19, 2021. Hello GroupDIY, and excuse me for being new here. PLEASE CONTACT ME THROUGH EMAIL FOR PURCHASING, NOT PM&39;S If you don&39;t see a project you are interested in chances are I am working on it now or would be. com When you buy products through links across our site, we may earn an affiliate commission. For reference. 27 Sec). Hi, Usually I am dubious of any component stamped 'audio grade' as it can be a means to extract more cash from the gullible audiophile. Sounded much more clean and natural. So I decided to do a stay home project, to ease some anxiety. heat transformer for two hours at about 220 F (104. If you run the amplifier at closed-loop gains over about 10, the difference is quite small. Kit (case purchased separate) 475 shipping - Kits include parts for 8 channels Knobs, Push botton caps, switches, pots, PCB's, resistors, caps (Wima's for the filters), IC's, IC sockets, IEC inlet, DB25 connectors and Molex headers, crimps pins. 2) An interstage transformer was manufactured and applied, which solves many problems. If you reduce the value of the resistor R1,. D help thread and notice some of that info is old and much of it is about strictly older revisions of Mnat. I know you are asking because you don't have one, but, if you can get your hands on one. Let's take every popular project, like the LA2a, 1176, SSL9k, etc. 75 g EM200 Data Sheet Comparison table for the Primo Microphones. Feb 24, 2021 The capsule is not the same, the new one is produced by their latest equipment, has different construction and therefore different response. Sep 30, 2010. Apr 16, 2013. With the left channel increased by 2. Feb 8, 2013. Fully discrete signal path available. boost infinite vs boost mobile, minecraft house blueprints
I hope you find it useful. . Groupdiy
Today at 1227 AM. the formula is 20log (X. The guide includes BOM, schematic, an optional DIY PSU, general build and fine. View GroupDIY (www. (Special thanks to the folks at www. - 1 db 30-30K. 047 and 0. Find related and similar companies as well as employees by title and much more. All build related materials and pics will be posted first, and please feel free to post any technical, BOM, or assembly related questions. Jun 26, 2008 610. Sep 9, 2013 1. Feb 22, 2006. Input measures 110 (60060k). It seems the image of the soundgrid server software is included in the Servers update software package. Please read the following carefully, before posting. Aug 2, 2013 Compatible with our C12 DIY Kit from GroupDIY. This usually means he doesnt fit their standard right wing but narrative. Dec 19, 2023 Houston. As the GroupDIY thread has become quite complex and because several people reported issues joining the conversation, I&x27;ve decided to set up a new topic here on GS. abbey road d enfer said Here&39;s the answer, from the horse&39;s mouth (Hemut at the LTSpice forum) The solution is using plot settings. 3 cm. Mar 14, 2011 Things fixed in REV Grounding Scheme. A buffer splitter output will not have the same output Z mess the guitar does. Lets build an analog EQ for the studio Studio gear is definitely expensive, but again we have an option to DIY and get awesome gear, faster. I know there are some new uber opamps that will drive 150 ohms directly. Commercial sales prohibited. Jan 1, 2022 These two are new to me. Check out Chungers epic build thread using one of the PSU cases. Dec 30, 2010 I have read a lot about capacitors in the audio path on this site and others lately, and I have learned a ton. Just do it manually and replace the files with the ones from Waves. pic related There is apparently something special about the lubrication compound that makes the locking pin work smoothly - it only takes one drop. The guy from DIY Perks builds a nice microphone and compares it to the Neumann U87ai. available here. 1 of 2 Go to page. Studer 169 Mic Preamplifier & EQ section in a single 500 series module. I have an original BA6A which spent all of it&39;s previous life in a radio station transmitter rack. The mechanical bi-directional limited switch is not so accurate. So other than replacing said feedback capacitor with a 470-680 pF one, what other mods are there. First Prev 2 of 3 Go to page. Windows only. The 436 does seem very limited (pun intended) to those of us whose expectations have been shaped by more modern compressors. Obviously there are the tangibles like ESR, temperature, etc. The issues are I am not getting proper levels on the right channel. Sep 14, 2006. All the E and G-series channel stip comps used the 82E10 card. then I put the pre on a (old) vacant fredenstein bento2, and. Apr 17, 2013 Apr 16, 2013. It seems the image of the soundgrid server software is included in the Servers update software package. Feb 8, 2013. The only difference with the Alctron is that mid range behaves more like high shelf in a way, but it could be that original hardware does that same curve, it doesn&39;t mean plugins are right. Classic Vintage Microphone for DIY. let get this bv12 classic series going the 2 black wire are actually shiedling of the core, take those 2 wires to a gnd pad onm the pcb, Also note that the Blue wire (4) is the audio out and the White (3) is - audio. 2, is. 12afael Well-known member. Mar 22, 2006. I ran a few tests with Rightmark audio analyzer and ended up with some encouraging results. 2 ohms, but that is the general idea. i really like my D-EF47 with the BV8 classic series. smallbutfine Well-known member. I'm working on a new product that requires a Lo ratio input transformer. I randomly came across the BM-700800 cheap chinese SDC mods using the Alice circuit and I really liked the idea as well as the result, getting a microphone worth around 400 for less than 100. Soldering pin 1 on input to the chasis with very short cable. Threads 28 Messages 6. for my prototype I&39;m using a Jensen JT-16-B. 0ms inout. I plan on building the preamps with zero negative feedback fixed gain with different pads and in his SRPP topology. Jun 11, 2010 Location. Type AKG CK-12 dual backplate style capsule Capsule diameter 34. As for some background ; I&39;ve been DJing since 2006 and played my first gig in 2007. The do indeed use all pass filters for phase correction between drivers and it is quite effective. I read through the massive Mnats Rev. In the meantime, check out the GroupDIYKev DIY-Page on Recording. I'm wondering how this approach compares to the praised Douglas Self line input proposed on his book. I've searched the web and doodled a bit on paper but I came here asking for some additional advice. This is a meta-thread, made to allow you to keep track of the posts concerning this single issue. GDIY51X required Module Kits V672X full kit. Groupdiy approval. May 16, 2011 May 17, 2011. They are an unbelievable pain in the ass to adjust and calibrate. Never actually bought one, but it seemed like fun and easy, just squirt some cheese on whatever. Its tricky , I have to pretent to be the signal and I find myself twisting through the gain knob traces as If I. FAB3000 is cross-platform and has a trial version FAB 3000 - Gerber Editing, Panelize PCBs, DFM, DFA, Compare Nets, Build Centroids, IPC-2581, ODB, 3D and more. Oct 7, 2010. So SMPS are not like transformers where you get a transformer that is -15 RMS and then regulate down to -15 DC. If you can get a modern one it will have an excellent frequency response. Wolpert 5200 Irvine Blvd. 1) Set the capacitor substitution box to the highest value (1000pF to. Aug 4, 2023. 0dbfs from the forums here donated a handful of 6028 tubes he purchased in bulk on Ebay 0. Feb 24, 2020. The original KM84 schematic lists the cardioid KK84 at 36pF, strangely the KM86 KK84 is listed at 33pF. View GroupDIY (www. The hard part was keeping track of the winding direction, the start and end of the wires, and the magnet polarity. If you can only swing -7V, it is R1 type. Feb 20, 2011. For business advertising see White Market. 75 g EM200 Data Sheet Comparison table for the Primo Microphones. Not inclued in the Mouser Bom are 18pf Styroflex630V. I opened it up once and traced the circuit. Is is a faithful circuit reproduction of the vintage AKG C12 microphone and is designed to fit in the popular Alctron HT-11A or Apex 460 donor microphone body. Nov 26, 2010 Collective Cases - PSU cases, ez1073, CLX cases and PCB&39;s. D-Elam 251E with True Pattern Switching on PSU , this was a very fun build. Find many great new & used options and get the best deals for NOS Freed Push Pull Output Transformer 8k600 Ohm RCA BA6A Compressor 15Hz-20khz at the best online prices at eBay Free shipping for many products www. com When you buy products through links across our site, we may earn an affiliate commission. Use the EF-800 105v circuit by itself along with the internal U47 pull-down resistor. In the meantime, check out the GroupDIYKev DIY-Page on Recording. The most convenient way for me to receive payment is Alipay. This beast was removed in (supposedly) working order from KBPS radio here in Portland sometime in the last couple of years. the consume of the Long tail is around 1mA according to the simulator. I doubt if a PCB for a C414 will fit inside this microphone body. GroupDIY Audio Forum. But the producer is mandating lavalier mics for the comfort of the speakers, who have no recording experience and will surely feel more comfortable without big. The BA-3 program is the first of the broadcast types to incorporate feedback loops. I have a microphone without a transformer, but I want to get a transformer tone and for that I will do something like a microphone splitter. Nov 18, 2023. I ran a few tests with Rightmark audio analyzer and ended up with some encouraging results. I mounted the pair on a PCB with a couple of other transformers from another. Plot Settings -> Reload Plot settings. 1 of 2 Go to page. So these are the final Version , the square version (44mm 48mm) should fit the gt-2b style , and the round version is 60mm diameter should fit upcoming riggler mic body i have been able to fit 2 mounting hole as per riggler drawing of 5. I randomly came across the BM-700800 cheap chinese SDC mods using the Alice circuit and I really liked the idea as well as the result, getting a microphone worth around 400 for less than 100. The PCB footprint is identical to the previous C12 design, however more closely follows the circuit implementation of the ELA M251. I picked up some original transformers for a RCA BA21 preamp. It can still sound pretty cool. . usps drop off locations