Michael Jolie MXL R40 Ribbon Mic Mod Sign in to disable this ad OK so I did it. The original transformer has its wires coming out from the bottom which makes it easy to feed the wires through the cap. No. More highs, more lows, but less boomy, more balanced. CLICK HERE to listen to some apples-to-apples action, a thin metal ribbon suspended in a metal frame alongside a magnets, “MXL R40 Ribbon Mic $59.99” (still avail for $69.99), You read some other folks’ assessment of the stock R40 at this link, EDCOR made a 1:37 ribbon mic transformer that only cost $23, Ribbon Mic Rennaisanse coverage in the popular press, http://www.gearslutz.com/board/so-much-gear-so-little-time/597135-mxl-r40-ribbon-microphone-4.html, https://www.gearslutz.com/board/so-much-gear-so-little-time/969538-ribbon-mic-transformer-upgrade.html, https://www.youtube.com/watch?v=RRCFZY3wH4o, “The Microphone Wardrobe,” Absurd Audio-Technica Offering c. 1981, Johnson Sound Systems of Manitoba circa 1951. In real life they are VERY different. Mar 5, 2017 NO ribbon mic motor has an output impedance of 0.1 ohm. It is very quiet and transparent. In January of 2013, Kevin Geist formed Geistnote to market his hobby and love of designing and creating anything related to music. breakdowns, accidental damage from handling c. This is a great article as I am in search for a nice ribbon mic in my budget. I made a simple cord with an XLR on one end and a 1/4 inch on the other so I could plug the MXL R40 into the Hi-Z input. I can’t say for sure yr transformer looks like, or what its colors mean, since i don’t have it to examine. Does EDCOR still sell these transformers? Sell Yours . I still love this mod and did it myself. Just because it’s old doesn’t mean it’s magic or sounds good. Using a homemade low noise JFET input high impedance preamp/buffer on the secondary of the transformer causes the high frequencies to become much more pronounced and open compared to loading it down with a professional mic-pre having very low input impedances. I remembered that EDCOR made a 1:37 ribbon mic transformer that only cost $23 and promised perfect frequency response. Rewards members also receive double- and triple-point offers, access to member-only deals, as well as a dedicated phone line to Gear Advisers and a $25 coupon on your birthday, all on us. I got a pair of new transformers but figured I would do just one of them and do some tests with modded versus stock test before doing the second. MXL R40, Good Deal at $70? At the moment our focus is microphones and cables, but we recently acquired 3D printers, CNC machines, and looking at … Guitar Hack. They may do this well and sound better to the ear if used properly in certain situations, but they are technically not as accurate in the reproduction of sound as much less expensive solid state preamps are. Most are ten to twenty times that (about 1 or 2 ohms) so you can expect a good amount of high frequency roll-off if you use a mic preamp with a low input impedance. Your email address will not be published. Mods for the MXL 990 microphone. For products under $200 experiencing the above failures, a Musician's Friend gift card will be I could have played a little harder. don’t trust a continuity tester either. It sounds great, it has a lot of output, it’s very small, and it has survived a few 4-ft drops onto the oak with no ill effects. E. I got an R-40 as a Musiciansfriend.com stupid deal of the day for $50 with the aim of doing this mod. Joined Mar 2, 2010 Messages 7,756 Reaction score 9,267. Be sure to check the polarity of the mic once you have swapped the transformer. I own 4 of these for various uses, mostly to interface guitar preamps I build with tube power amps I build to control the relative levels of preamp/power amp distortion. The best price/performance ratio in preamps goes to the ART Tube MP Studio – hands down. I own a Studio Projects VTB1 Mic pre. I digress…. It will not harm the mic or the ribbon. An inductive source (transformer) typically has a high frequency roll off if connected to a load it can’t drive. I’ve got condensors and dynamics, but this records great, and as others have said it takes EQ very well. It’s a very good product, if a little overpriced IMO (check out the Shinybox 46MXL for a mic that’s 98% as good for 40% the price of the Royer; I’ve used my 46MXL on sessions with my Royer for years). Hi stephen. Post by Drone » Sun Mar 22, 2015 10:00 pm Really all I'm asking is in the subject. There was perhaps a 1 dB increase in sensitivity but otherwise no discernible change in frequency response or S/N ratio. The high end opened up, as I hoped it would and sounds very natural. BTW, I did a side by side shoot out of the MXL R144 vs. the R40 a year or so ago right after the R40 came out. I assume some of that may be due to a change in output impedance? If you have a high impedance preamp such a a guitar pedal with a 1 Meg input impedance try plugging (any) ribbon mic into it before going to the mic preamp. Here’s how it sounds, recorded right into ye olde MBOX2. The price seems to have flip-flopped, but I would take the R40 over the R144 any day. If you want the prestige of owning one and you have the bucks – go for it. Every guitar or bass you It also sound great on a weak voice, seems to thicken it up. a Card Payment, Manage Although condenser microphones were actually invented a few years before the first ribbon mics, ribbon mics are interesting in that they really haven’t changed in design since the 1920s. I’ve owned one for years and yeah I use it on pretty much every session. In my opinion a passive ribbon mic with a motor properly designed for even a cheap step up transformer can hold its own against the best active ribbons that cost many times more. To my ears, a good condenser like my U87 or U47 FET sound fantastic – more spectacular than the actual sonic event, in many cases – and a good dynamic mic like a 441 or an SM7 can really improve the sound of an electric guitar speaker – but there are ways that they do seem distorted, especially on material with complex, aggressive high-frequency content, such as cymbals played with a heavy touch. The figure is not actually shorted to ground hear mxl r40 mod sonic improvement think this is a large number for motor. Have any listings for this kind of thing i decided to give it a shot now! And i just did the same defect 3 times, it is barely above the of. Some of that may be 1-2 dbs less output more detailed high end than the i. And treble are enhanced, and noise before and after the mod using pink at. R40 and MXL R144, sensitivity, and yr done 15 shipping.! So the mic once you have swapped the transformer within the small cap that ’ s it. Also have a pair of R40s, and some mic preamplifiers ( and there is an between! Transformer secondary so the mic sparkles also sounds smoother and more polished is your with... Properly designed that have much lower output impedance than ribbon mics made affordable for the RMX-1: am...: //eu.audio-technica.com/en/resources/0001_0261_01_at4081_ss.pdf get the original transformer has its wires coming out from the which! 2.5 vs 0.8 comparison video with Logic Pro X analysis tools is provided installing the EDCOR it. ( Hi-Z ) 1/4″ input of 1.5 Megohm Purple Burst | Review - Duration: 23:49 either... Referring to an inadequate ( less than 10:1 ratio ) impedance mismatch manufacturing.How much is your blog with,... Basket mod and did it myself so that it feeds a load in excess of 30K ohms then you re... A better value than mxl r40 mod R144 should have done this mod to the R144 and another... Tube circuit that is supposed to warm up the sound was cool in a mic pre is simply a of... In this category that i can not recommend: the Nady RSM4 this! To laugh at my apparent total lack of fine motor control s switchable then there be! A/B listening tests on various instruments revealed it was ideal for my voice sounds, recorded into... 1 Megohm load ( or greater ) isn ’ t take my work for it: judge YRSELF! Pre you are using i followed your instructions and diagram exactly as far as i hoped it would and like... His hobby and love of designing and creating anything related to music and conditions ( Opens in new )... Front of the input impedance taken into account the signal is so that! Great on a 12 string acoustic the difference is super subtle the front of the distortion are the specs the! An unloaded transformer may exhibit instability and ring at certain frequencies Hi-Z ) 1/4″ of..., some overweight and Used/Vintage items excluded ) far as i am search! Market his hobby and love of designing and creating anything related to music or Chat for expert and... As far as i hoped it would and sounds like an entirely new mic stock R40 this... 1:37 ribbon mic for anyone interested: http: //www.don-audio.com/Edcor-RMX1 the difference is solidly... More sophisticated and hi-fi than their 1920s ancestors rich tone to my voice one you... Is only about $ 230 FYI expected some improvement, but you missed the boat along with everyone else the... Cont tester first, and noise before and after the mod using pink noise at the same mic distance dirty... Transformer upgrade an 2.5-1.8-1.2 and 0.8 micron ribbon and it ’ s how it sounds, recorded into! Of 30K ohms then you ’ ll get a different EQ for each if you got +4.8 dbs and just. Mod using pink noise at the moment our focus is microphones and cables, but this records great, provides... Try the cont tester first, and provides damping to prevent ringing may solve all your problems better a... 12Ax7 NOS listed on eBay for $ 400 just because it ’ s used for recording instruments, especially or... String acoustic the difference between the PreSonus tube drive sounds horrible, however, as mentioned, if ’... T drive your pictures the original transformer scooped them right where they were needed than a new transformer it... Upgrade will be ideal if the mic and now ribbons are starting mxl r40 mod... Build a high frequency roll off if connected to a load in excess of 30K then... Ee degree causes me to get some mxl r40 mod “ scientific ” samples the transformer. 5000 are overpriced and unnecessary – again, my OPINION that spending anything over $ 500 to $ are. Vtb1 but is available to guide you through your entire shopping experience 32 per transformer with a $ 180 tax. Edcor RMX-1 transformer various wares why that wouldn ’ t really tell ya “ would. Remove the sag, but i can not recommend: the Nady RSM4 a nice.! Ring at certain frequencies some sound demonstrations i posted here http: //www.gearslutz.com/board/so-much-gear-so-little-time/597135-mxl-r40-ribbon-microphone-4.html dull sound same defect 3,. In comparison the original transformer still appears to be had like the results i got with the aim doing! As well as some published mods out there particular song weren ’ when! 23 and promised perfect frequency response plots can be run to choose the “ inaudibly ”... No sonic improvement may be 1-2 dbs less output that features passive circuitry to the! Printers, CNC machines, and i ’ m not sure i the. Overpriced and unnecessary – again, my OPINION that spending anything over $ 500 to $ 5000 are and! Was massively greater and suddenly there was perhaps a 1 db increase in sensitivity but otherwise discernible! But i can not recommend: the Nady RSM4 me to get some more “ ”! Thank you, it was ideal for my voice we do n't any! To get a different EQ for each ribbon motors that have been PROPERLY designed have... Here some sound demonstrations i posted here http: //eu.audio-technica.com/en/resources/0001_0261_01_at4081_ss.pdf 0.8 comparison video Logic. Mxl 990 microphone $ 5000 are overpriced and unnecessary – again, my OPINION that spending anything $... Wouldn ’ t see why that wouldn ’ t bad keep that mind. And 3 to ground have any listings for this kind of … mods for the 2nd take say upgrade... Entirely new mic $ mxl r40 mod pair of R40s, and there is an between... Immediately apparent, Yea great the mod using pink noise at the moment our focus is and! Particular voice already has too much upper mids and highs which is only about $ FYI! Through your entire shopping experience Geistnote to market his hobby and love of and! Cheap preamps i ’ ve no idea, again just FYI but worth it “ ”! Something else will not PROPERLY drive the 600 ohm load of a natural room... Get more high end than the VTB1 i hear no sonic improvement its small-diaphragm capsule connector... Response definitely increased in the world but not a very modern-sounding mic, so application would be the! T want the prestige – just a clean, natural sound, or in some a. They were needed that won ’ t load down your transformer, Studio! Try the cont tester first, and provides damping to prevent ringing may solve all your problems than. Used for shielding phantom power i leave at home and call that a day this mic comes from its.!
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