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Post by tskguy on Jul 13, 2014 12:06:16 GMT -6
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Post by kcatthedog on Aug 2, 2014 9:28:52 GMT -6
So kool Tim, love the history and pedigree these mikes have !
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Post by Martin John Butler on Aug 2, 2014 9:57:16 GMT -6
Tim, since there are often big differences in the sound of these vintage mics, can you tell us something of how you chose the benchmarks for the capsule you make now. I've used an original C12 in a great studio back in the 90's and I've never heard anything that compares to it yet.
I have the Thiersch M7 blue line capsule in my Blackspade U17, which has Oliver Archut's BV8LP transformer. I've been told by Oliver and Shannon from Mic Rehab it sounds similar to a U49, but I've wondered why that is, I assumed it would be more U47ish with the same capsule that goes into most high end U47 builds. I actually chose that mic because the highs resembled that C12 to my ears.
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ericn
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Post by ericn on Aug 2, 2014 10:42:42 GMT -6
Tim, since there are often big differences in the sound of these vintage mics, can you tell us something of how you chose the benchmarks for the capsule you make now. I've used an original C12 in a great studio back in the 90's and I've never heard anything that compares to it yet. I have the Thiersch M7 blue line capsule in my Blackspade U17, which has Oliver Archut's BV8LP transformer. I've been told by Oliver and Shannon from Mic Rehab it sounds similar to a U49, but I've wondered why that is, I assumed it would be more U47ish with the same capsule that goes into most high end U47 builds. I actually chose that mic because the highs resembled that C12 to my ears. Early M49s had M7 as well, so Oliver's circuit for one reason or another took on the attributes of the 49! |
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Post by tonycamphd on Aug 2, 2014 10:46:47 GMT -6
a c12 and m7 are light years apart in my view.
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Post by tonycamphd on Aug 2, 2014 11:12:19 GMT -6
Martin, I picked my benchmark capsule after years of listening to CK12's. As soon as I heard this capsule I was struck by how sexy sounding it was. I always keep more than a dozen AKG CK12's around. They all sound different and so I use them when a client wants something other than my benchmark. please tell me you don't voice them differently for the elam 251's? otherwise, i guess i'm building a pair of C12 clones to go with my...C12...clone...mehh... 8) |
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Post by kidvybes on Aug 2, 2014 11:24:28 GMT -6
I have the Thiersch M7 blue line capsule in my Blackspade U17, which has Oliver Archut's BV8LP transformer. I've been told by Oliver and Shannon from Mic Rehab it sounds similar to a U49, but I've wondered why that is, I assumed it would be more U47ish with the same capsule that goes into most high end U47 builds. I actually chose that mic because the highs resembled that C12 to my ears. ...Martin, (it's UM17) and I believe I responded to that same question in a previous post...the UM17 implements a subminiature EF732 tube (5480) which Oliver believed was one of the better options (considering the rarity and cost-prohibitive state of the original AC701 subminiature tubes used in the Neumann M49 ) for a 47/49 type circuit...Oliver originally designated that tube for use in the Telefunken Elektroakustik R-F-T AK47 for which he designed the circuit...that same tube has also been implemented by David Bock for his Soundelux e49, and Bock 50 builds...so, I believe the choice of a subminiature pentode tube has a lot to do with the M49 correlation... ...having briefly owned a Blackspade UM17, I'm not sure I see any correlation to a C12...my personal impression, at least with the original stock K47-type capsule, was that it favored a slightly bright U47 sound more than the classic darker M49 voicing... ...my Dany Bouchard DIY M49b also implements a similar 5840 tube and an M7-style capsule: Attachments:
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Post by kidvybes on Aug 2, 2014 16:05:40 GMT -6
...I recently received the MK-47 DIY build that was for sale in the classified section a couple of weeks ago...sounds great, considering it currently houses a Chinese 34mm K47 capsule...the plan is to upgrade the capsule to a Thiersch Blueline M7 when funds permit, but for now, it's more than useable...I had to sell my Pearlman TM-1 to assist in financing this purchase, but I feel that once the capsule is upgraded, this will have been a move upwards in sonic terms...with the current capsule it's closer to the TM-1 without the high-cut switch engaged, but with more low-mid response... |
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Post by tonycamphd on Aug 2, 2014 16:10:33 GMT -6
congrats kidvybes nice! the good news is if it sounds good with the cheap capsule, it's going to blow you away with the blueline 8) love that psu btw 8) |
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Post by kcatthedog on Aug 2, 2014 16:32:01 GMT -6
[
love that psu btw 8)[/quote]
^^this^^
I understand you are saving for the thiersch but have you considered the microphoneparts r-47: only a hundred or so: maybe as a better interim cap ?
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Post by kidvybes on Aug 2, 2014 16:57:20 GMT -6
I understand you are saving for the thiersch but have you considered the microphoneparts r-47: only a hundred or so: maybe as a better interim cap ? ...thanks, that's what's in there...the 34mm 3-micron RK-47 from microphone-parts.com...actually sounds quite good, if not a touch brighter than I'd prefer... Attachments:
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Post by Martin John Butler on Aug 2, 2014 17:12:38 GMT -6
Thanks ericn, Tim, kidvybes. I realize the C12 and UM17 (with blue line M7 capsule) are unrelated sonically. Where the UM17 impressed me was a certain sustain I heard in the highs, ( for lack of a better description) that reminded me of how smooth and long lasting the highs were on the C12 I used, the notes just seemed to last a littler longer. Like tim said earlier, it might be the opamp I'm using in my ToneBeast that's throwing me off a little. I will probably try the Red Dot at some point.
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Post by kcatthedog on Aug 2, 2014 17:15:13 GMT -6
I understand you are saving for the thiersch but have you considered the microphoneparts r-47: only a hundred or so: maybe as a better interim cap ? ...thanks, that's what's in there...the 34mm 3-micron RK-47 from microphone-parts.com...actually sounds quite good, if not a touch brighter than I'd prefer... ah,, I wondered all good, please help a u47 bro out and ship me your psu for my summer holidays !  |
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Post by tonycamphd on Aug 2, 2014 17:22:11 GMT -6
...thanks, that's what's in there...the 34mm 3-micron RK-47 from microphone-parts.com...actually sounds quite good, if not a touch brighter than I'd prefer... ah,, I wondered all good, please help a u47 bro out and ship me your psu for my summer holidays ! Kcat, why don't you build one? they are pretty straight forward, you can get the Zayance pcb if chungs not ready. |
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Post by category5 on Aug 4, 2014 6:50:02 GMT -6
 Maybe you could wait for one of these. Tell us more about this picture Tim! |
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Post by kidvybes on Aug 4, 2014 7:54:22 GMT -6
...Tim, you're adding K47 to your offerings?
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ericn
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Post by ericn on Aug 4, 2014 9:17:28 GMT -6
Tim thats pretty!
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Post by kidvybes on Aug 4, 2014 10:53:11 GMT -6
Many M7's are a bit lackluster. ...interesting Tim...can you elaborate? |
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Post by tonycamphd on Aug 4, 2014 11:06:51 GMT -6
Tim Campbell and extra time? nahhhh... 8)
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ericn
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Post by ericn on Aug 4, 2014 11:51:10 GMT -6
Well lets see he can always give up sleep! Or maybe eating, I mean we all know makeing mic capsules trumps all!
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