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Author Topic: MK21 vs MK22?  (Read 1704 times)

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Offline MakersMarc

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MK21 vs MK22?
« on: October 27, 2020, 12:42:04 PM »
anyone care to comment on the differences?

Thanks!
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Offline noahbickart

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Re: MK21 vs MK22?
« Reply #1 on: October 27, 2020, 03:18:25 PM »
I'm attaching pictures of their polar patterns which is basically the difference. Links to Phish MPP II from last summer below.

The mk21 is halfway between the mk2 omni and the mk4 card- it's a classic "subcardioid," and sounds much like an omni, except that you can aim it. It's great for use outside, onstage, FOB or anywhere the sound sis good and louder than the crowd. Big bass response. I love using a mk21 as a mid in a m/s (like this: https://drive.google.com/drive/folders/1c_ea6rAmjD-72IB8SlVWPp6GyUBGsLAF?usp=sharing, or this from MGB at the egg in Albany: https://drive.google.com/drive/folders/1Bz8U0q5zboSE7mHc4b-pGt0HnnzuFXED?usp=sharing)

The mk22 is halfway between the mk21 and the mk4, so a slightly tighter pattern which still retains the open sound of a sub card. It's useful everywhere, and I run it at every show- OTS, On Stage, FOB, everywhere. It's open enough to capture everything, and yet directional enough to reject enough of the room and the crowd to make a good audience tape even from a compromised location.
If I could only have one schoeps pair it would be the mk22 (Same show with the mk22 pair: https://drive.google.com/drive/folders/18RIQ1zUWsbA3WfMRHNj2Ym4AmxkoBTy-?usp=sharing)

When you get the mk22 in the right spot it can be magic: https://drive.google.com/drive/folders/1XAdOA9jVlqK1zygWw_sOd9i5LYVHyGmz?usp=sharing (That's 6/28/16 Mann Music center, from the DFC Balcony rail)
« Last Edit: October 27, 2020, 03:23:59 PM by noahbickart »
Recording:
Capsules: Schoeps mk41v (x2), mk22 (x2), mk3 (x2), mk21 & mk8
Cables: 2x nbob KCY, 1 pair nbob actives, GAKables 10' & 20' 6-channel snakes, Darktrain 2 & 4 channel KCY and mini xlr extensions:
Preamps:    Schoeps VMS 02iub, Naiant IPA, Sound Devices Mixpre6 I
Recorders: Sound Devices Mixpre6 I, Sony PCM m10

Home Playback: Mac Mini> Mytek Brooklyn+> McIntosh MC162> Eminent Tech LFT-16; Musical Fidelity xCan v2> Hifiman HE-4XX / Beyerdynamic DT880

Office Playback: iMac> Grace m903> AKG k701 / Hifiman HE-400

Offline DSatz

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Re: MK21 vs MK22?
« Reply #2 on: October 29, 2020, 10:19:45 PM »
For the type of recording I mostly do (classical ensembles and opera), the MK 22 has wider application than the MK 21. It's become my favorite capsule.

However, there have been a few times when I've become aware that the MK 21 would be just the right thing for a particular situation--and then it was sensational. One of the best-sounding concert recordings that I've ever made was made with the MK 21. Basically I think of the MK 21 as an omni that can nonetheless be used on a stereo bar of reasonable length to get a recording with a reasonable stereo image. That way you get 80% or more of the yummy, fun goodness that makes people want to use omnidirectional microphones, but you also get consistent (if not too emphatic) localization and no "phasiness".

The MK 22's advantage is that it helps to sort out multiple, diverse sound sources, where the MK 21s blend them together somewhat more. However, that's a concern that may not apply to arena recording where the main sound source is a P.A. system in which all the instruments and microphone signals are already mixed together, I dunno.
music > microphones > a recorder of some sort

Offline jerryfreak

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Re: MK21 vs MK22?
« Reply #3 on: October 29, 2020, 11:38:08 PM »
would you say the mk21 is inferior to the mk22 for our application when it comes to stereo imaging?
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Offline weroflu

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Re: MK21 vs MK22?
« Reply #4 on: October 30, 2020, 07:00:04 AM »
Dsatz: care to comment on proximity effect of the mk21?


Online aaronji

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Re: MK21 vs MK22?
« Reply #5 on: October 30, 2020, 08:32:55 AM »
^ I don't know specifically about the MK21, but the DPA4015 has a similar polar pattern and, I would guess, a more-or-less similar proximity effect. Here is DPA's graph for the 4015; maybe this helps...
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Offline DSatz

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Re: MK21 vs MK22?
« Reply #6 on: October 30, 2020, 09:33:22 AM »
aaronji, that's a very interesting set of graphs. Thanks for posting it. That's the kind of thing I wish more manufacturers would do.

weroflu, I've never used either type of capsule for close-up recording and your question makes me realize that I've never seen measurement results of proximity effect for any Schoeps microphones. Proximity effect depends on the physical geometry of a capsule, so it's not something that should vary much among microphones of the same general size / shape / operating principle. All other things being equal, the greater the proportion of pressure gradient sensitivity that a microphone has (i.e. the more it is like a figure-8 and the less it is like an omni), the greater the proximity effect.
« Last Edit: October 30, 2020, 12:16:58 PM by DSatz »
music > microphones > a recorder of some sort

Offline wforwumbo

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Re: MK21 vs MK22?
« Reply #7 on: October 30, 2020, 10:11:15 AM »
I’ve run my 21s next to Noah’s 22s a handful of times. DSatz’s assessment is fairly accurate - the 22 in practice seems to give slightly more defined imaging of sources, and the 21 gives a more “realistic/hi-fi” capture of the room, which can give a “hazier” image.

My thoughts for taping: The 21’s bass response is noticeably better than the 22’s to my ear. The 21 reaches deeper and maintains its definition to lower frequencies. Though this isn’t to say the 22 lacks bass by any means. I also prefer the 22’s treble to the 21’s: I hear a softer and more pleasant mild roll off in the top end of the 22, whereas the 21’s treble is aggressively honest and at times unpleasant. This said, I’ve preferred my results on the 21 when massively cutting the angle to much lower than we as tapers are used to using - the best results I’ve gotten from it are in A-B, followed by 30cm/60 degrees. I think the 21 is a LOT more open than we give it credit for. To wit, a good comparison I think would be to think of the 21 more as an omni you can aim, whereas the 22 is more of a cardioid that brings in the bass. The 21 definitely captures way more room and the 22 captures less room, when deployed similarly. From OTS, I think the 22 is a more forgiving cap and will be more likely to pull a tape that is more enjoyable to listen to, though there’s something to be said about “getting it right” with the 21 (which is still something I don’t feel I have figured out just yet).

It isn’t a 1-1 mapping, but on 12/31/18 Noah and I both ran out mics on the same stand 15’ up in the air. I believe Noah ran his mk22 pair at 50ish cm PAS, and I ran my 21s in 35 cm/65 degrees. We both used Mixpre-6’s, Nbob KCYs, and Naiant PFAs (though Noah’s run 60V and mine 48V). This should give you a better idea of their similarities and differences. If the etree links are dead just poke us and we would both be happy to get the tapes in your hand so you can spin for yourself.

In the studio, I only have experience with the 21. I don’t experience much proximity effect on guitars or drums, which is mostly what I use it on. Certainly nowhere near what I get with the mk4. I like this a lot actually, as I can throw a cmc521 on my guitar cabs and get an honest omni-like capture of my Mesas while getting *some* rear rejection of me playing in front of my amp. The treble is also a lot more manageable on a source up close, ime.
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Offline prepschoolalumniblues

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Re: MK21 vs MK22?
« Reply #8 on: October 30, 2020, 11:19:44 AM »
I’ve preferred my results on the 21 when massively cutting the angle to much lower than we as tapers are used to using - the best results I’ve gotten from it are in A-B, followed by 30cm/60 degrees.

I really enjoyed reading your detailed post — thanks. What does your spacing tend to look like for A-B?

Offline wforwumbo

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Re: MK21 vs MK22?
« Reply #9 on: October 30, 2020, 11:35:36 AM »
I’ve preferred my results on the 21 when massively cutting the angle to much lower than we as tapers are used to using - the best results I’ve gotten from it are in A-B, followed by 30cm/60 degrees.

I really enjoyed reading your detailed post — thanks. What does your spacing tend to look like for A-B?

Cheers. Also, a+ avatar - always fun finding another Spacemen 3 fan in the wild. Fun story for another time: my best friend and his old bandleader (The Lilys, if you know them) were invited in the early aughts to become their guitar section for a one-off tour, one of his biggest regrets is saying no due to health issues he was facing.

For A-B, I've used 30, 35, 45, and 60 cm. I find that with the 21 - and, for that matter, most Schoeps capsules I have used - there is a massive amount of bass response gained when you move to 30 cm, and past that it's just "more or less spacious/image of the room" with a bigger hole in the middle, and outside of that there's not a massive gain in bass response to my ear in the section. I prefer running at 30-35 cm for practical reasons.

This is, of course, assuming amplified rock music. I have yet to experiment with wider splits for classical, based on intuition I would expect for something like pipe organ (which one of my mentors, David Griesinger, has discussed with me at length) I would probably want a split of upwards of 25-30 feet.
North Jersey native, Upstate veteran, Bay Area resident

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2x Schoeps mk21
2x Schoeps mk4
1x Schoeps ccm8

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Offline MakersMarc

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Re: MK21 vs MK22?
« Reply #10 on: October 30, 2020, 12:23:34 PM »
Thanks all! Fascinating stuff.


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Open: 4v/41v>nbobs>Nicky mod Naiant PFA>Oade warm mod 661.

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Offline noahbickart

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Re: MK21 vs MK22?
« Reply #11 on: October 30, 2020, 05:47:10 PM »
I’ve run my 21s next to Noah’s 22s a handful of times...  It isn’t a 1-1 mapping, but on 12/31/18 Noah and I both ran out mics on the same stand 15’ up in the air. I believe Noah ran his mk22 pair at 50ish cm PAS, and I ran my 21s in 35 cm/65 degrees. We both used Mixpre-6’s, Nbob KCYs, and Naiant PFAs (though Noah’s run 60V and mine 48V). This should give you a better idea of their similarities and differences.

Here's my tape from that night:

https://drive.google.com/drive/folders/16PK63wwpO-mTHbLxqgBo2UmDgwXv3JSm?usp=sharing
Phish
Madison Square Garden
December 31, 2018

Schoeps Schoeps mk22 (PAS ~65° @ 45cm)> nbob kcy> Schoeps VMS 02ib (+20db)> Sound Devices Mixpre6 (Channels 5 & 6 Line in @ 24bit / 48kHz)
Location: OTS, DFC. Clamped above padelimike's centered stand, ~16' High.
Transfer: Sound Devices Mixpre6> USB-C> Macbook Pro> Sound Studio (Tracking & Fades)> xAct (SBE & Tags)

Recorded and transferred by Phishrabbi <noahbickart@gmail.com>

Set I:
Intro
The Moma Dance
Stray Dog
555
Sand
Lawn Boy
Steam >
Chalk Dust Torture >
What's The Use?
Play By Play
Waste
Ass Handed
Run Like An Antelope
Outro

Set II:
Intro
Down With Disease
Farmhouse
Seven Below >
Twist
Harry Hood
Passing Through
Harry Hood
Outro

Set III:
Intro
Mercury
Auld Lang Syne
Say It To Me S.A.N.T.O.S.
Simple >
Saw It Again
Limb By Limb
Rock And Roll >
Suzy Greenberg
Encore Break
The Lizards
Character Zero
Outros
Recording:
Capsules: Schoeps mk41v (x2), mk22 (x2), mk3 (x2), mk21 & mk8
Cables: 2x nbob KCY, 1 pair nbob actives, GAKables 10' & 20' 6-channel snakes, Darktrain 2 & 4 channel KCY and mini xlr extensions:
Preamps:    Schoeps VMS 02iub, Naiant IPA, Sound Devices Mixpre6 I
Recorders: Sound Devices Mixpre6 I, Sony PCM m10

Home Playback: Mac Mini> Mytek Brooklyn+> McIntosh MC162> Eminent Tech LFT-16; Musical Fidelity xCan v2> Hifiman HE-4XX / Beyerdynamic DT880

Office Playback: iMac> Grace m903> AKG k701 / Hifiman HE-400

Offline DSatz

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Re: MK21 vs MK22?
« Reply #12 on: October 31, 2020, 10:35:54 AM »
wforwumbo, this gets to the question of the minimum spacing for good-sounding A/B recordings. The dominant tradition in U.S. classical recording has been very wide spacing (think microphones at the 1/3 and 2/3 points along the stage width), while "Decca Tree" recording is more moderate, but still several times wider than you're talking about.

In most of continental Europe the spacings have generally been smaller, more like what you're talking about--which American-trained engineers who've never tried it sometimes look at, and ask in all sincerity, "But how can you possibly get enough separation for stereo that way?"

It's interesting that you report, 'there is a massive amount of bass response gained when you move to 30 cm, and past that it's just "more or less spacious/image of the room" with a bigger hole in the middle, and outside of that there's not a massive gain in bass response to my ear in the section.' The increase in spaciousness gained by increasing the microphone spacing is just what one would expect--but ordinarily I wouldn't expect the overall quantity of bass pickup to be affected by stereo vs. mono recording, unless it was mono recording from a particularly bass-deprived spot in a hall that has severely irregular reinforcement of low frequencies to begin with, i.e. a bad choice and/or really bad luck. Even then I would expect the comparable stereo recording to sound imbalanced (I mean L vs. R) in the bass. What do you think creates the impression of "more bass" assuming that it sounds balanced in your recordings?

--best regards
music > microphones > a recorder of some sort

Offline wforwumbo

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Re: MK21 vs MK22?
« Reply #13 on: October 31, 2020, 09:54:42 PM »
wforwumbo, this gets to the question of the minimum spacing for good-sounding A/B recordings. The dominant tradition in U.S. classical recording has been very wide spacing (think microphones at the 1/3 and 2/3 points along the stage width), while "Decca Tree" recording is more moderate, but still several times wider than you're talking about.

In most of continental Europe the spacings have generally been smaller, more like what you're talking about--which American-trained engineers who've never tried it sometimes look at, and ask in all sincerity, "But how can you possibly get enough separation for stereo that way?"

It's interesting that you report, 'there is a massive amount of bass response gained when you move to 30 cm, and past that it's just "more or less spacious/image of the room" with a bigger hole in the middle, and outside of that there's not a massive gain in bass response to my ear in the section.' The increase in spaciousness gained by increasing the microphone spacing is just what one would expect--but ordinarily I wouldn't expect the overall quantity of bass pickup to be affected by stereo vs. mono recording, unless it was mono recording from a particularly bass-deprived spot in a hall that has severely irregular reinforcement of low frequencies to begin with, i.e. a bad choice and/or really bad luck. Even then I would expect the comparable stereo recording to sound imbalanced (I mean L vs. R) in the bass. What do you think creates the impression of "more bass" assuming that it sounds balanced in your recordings?

--best regards

I want to respond to this a bit more when I get back from dinner, but my thesis statement will be along the lines of: I suspect that 30 cm is a “lower limit” for capturing pleasant interaural time difference cues. It’s not that we don’t get “better” or “more” at wider distances, it’s that ~30 cm happens to be a heuristic minimum distance for pleasing the temporal side of the binaural system.
North Jersey native, Upstate veteran, Bay Area resident

2x Schoeps mk2
2x Schoeps mk21
2x Schoeps mk4
1x Schoeps ccm8

2x Schoeps cmc5
Nbob KCY
Naiant PFA

Sound Devices Mixpre-6

Offline fireonshakedwnstreet

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Re: MK21 vs MK22?
« Reply #14 on: November 01, 2020, 01:13:36 AM »
I’ve run my 21s next to Noah’s 22s a handful of times...  It isn’t a 1-1 mapping, but on 12/31/18 Noah and I both ran out mics on the same stand 15’ up in the air. I believe Noah ran his mk22 pair at 50ish cm PAS, and I ran my 21s in 35 cm/65 degrees. We both used Mixpre-6’s, Nbob KCYs, and Naiant PFAs (though Noah’s run 60V and mine 48V). This should give you a better idea of their similarities and differences.

Here's my tape from that night:

https://drive.google.com/drive/folders/16PK63wwpO-mTHbLxqgBo2UmDgwXv3JSm?usp=sharing
Phish
Madison Square Garden
December 31, 2018


This is a great tape. Nothing else to add except that these are dream mics.
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Offline rigpimp

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Re: MK21 vs MK22?
« Reply #15 on: November 01, 2020, 12:32:14 PM »
I'm simply posting here to track all of the Schoeps Genius comments on two caps I know very little about. 

When I first saw the polar pattern chart at the top it occurred to me that the mk21 might be better at rejecting wind noise due to its shape being more like a pure omni.  Does anyone have experience running these outdoors in windier environs? 

I already own pairs of CCM4, MK8, and MK5 so I feel that I could probably get close to recreating the sound of a 21 or 22 in post-production with an M/S pair.  I guess I am trying to justify why I need the 21 or 22.

Mics: Schoeps MK5 G MP, Schoeps CCM 4 Lg MP, Schoeps MK8 MP, nBob cables > PFA, KCY 250/5 > PFA
Pre/A>D/P48: Sonosax SX/M2-LS, E.A.A. PSP-2, Naiant Tinybox, Neumann BS48i-2 (for sale)
Recorders: Sound Devices Mixpre-6, Sony PCM-M10
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Offline wforwumbo

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Re: MK21 vs MK22?
« Reply #16 on: November 01, 2020, 01:55:12 PM »
I'm simply posting here to track all of the Schoeps Genius comments on two caps I know very little about. 

When I first saw the polar pattern chart at the top it occurred to me that the mk21 might be better at rejecting wind noise due to its shape being more like a pure omni.  Does anyone have experience running these outdoors in windier environs? 

I already own pairs of CCM4, MK8, and MK5 so I feel that I could probably get close to recreating the sound of a 21 or 22 in post-production with an M/S pair.  I guess I am trying to justify why I need the 21 or 22.

I ran them next to you in NOS at Gorge ‘18 nights 1 + first half of night 2. I have also run them at Dick’s.

They are not impervious to wind noise, but they are *significantly* more resilient than the 4.

Edit: given were both Bay Area tapers, next time shows are allowed you’re welcome to take a patch off me, or you’re welcome to borrow my 21s. Better yet, if I get a pair of 22s between now and then we can run em head to head.
« Last Edit: November 01, 2020, 01:57:13 PM by wforwumbo »
North Jersey native, Upstate veteran, Bay Area resident

2x Schoeps mk2
2x Schoeps mk21
2x Schoeps mk4
1x Schoeps ccm8

2x Schoeps cmc5
Nbob KCY
Naiant PFA

Sound Devices Mixpre-6

Offline jerryfreak

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Re: MK21 vs MK22?
« Reply #17 on: November 01, 2020, 07:21:26 PM »
if you guys ever do get together for your open card/subcard showdown, it would be cool to throw some 4015s in the mix. the pattern has characteristics of both MK21 and MK22. probably closer to MK22



also provides a bit of HF lift that some people like. MK22 is relatively flat. MK21 has a 2dB bump from 10-20kHz. the DPA is a lil more pronounced



« Last Edit: November 01, 2020, 07:46:17 PM by jerryfreak »
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Offline jerryfreak

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Re: MK21 vs MK22?
« Reply #18 on: November 01, 2020, 07:25:00 PM »
does anybody know what this chart means? its from Schoeps MK22 page

People whose posts I wont see:
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Offline noahbickart

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Re: MK21 vs MK22?
« Reply #19 on: November 01, 2020, 07:25:25 PM »
I’ve run my 21s next to Noah’s 22s a handful of times...  It isn’t a 1-1 mapping, but on 12/31/18 Noah and I both ran out mics on the same stand 15’ up in the air. I believe Noah ran his mk22 pair at 50ish cm PAS, and I ran my 21s in 35 cm/65 degrees. We both used Mixpre-6’s, Nbob KCYs, and Naiant PFAs (though Noah’s run 60V and mine 48V). This should give you a better idea of their similarities and differences.

Here's my tape from that night:

https://drive.google.com/drive/folders/16PK63wwpO-mTHbLxqgBo2UmDgwXv3JSm?usp=sharing
Phish
Madison Square Garden
December 31, 2018


This is a great tape. Nothing else to add except that these are dream mics.

Thanks for the kind words, enjoy!!

Here's the rest of that run with the mk22:
12/30: https://drive.google.com/drive/folders/1JF7goqh_QZwVSKTP6-ThgPyZgZv-xBky?usp=sharing
12/29: https://drive.google.com/drive/folders/17_cz9WbtVgwsFBx2z9HZjfAa4vnpFTnr?usp=sharing
12/28: [was Shabbat, sorry]

Compare to the mk41v:
12/31: https://drive.google.com/drive/folders/1jZd86lFVE3dMPHGOjfG1MvaDb5yr3xqk?usp=sharing
12/30: https://drive.google.com/drive/folders/1YLJ0BD3WgtzpOXY_SZo2rUHCJCTTigs0?usp=sharing
12/29: [some sort of user error, Sorry]
12/28: [was Shabbat, sorry]

and the mk3 Omnis:
12/31: https://drive.google.com/drive/folders/1IEVjICMlWZbB4XQmopLWaXzHgQT6Ws64?usp=sharing
12/30: https://drive.google.com/drive/folders/1u9KIe-ktGn7kkeqe8ueI6_9m7KkEXr4p?usp=sharing
12/29: https://drive.google.com/drive/folders/1F8VuUyt-ycOUjgK9QgQaYe9fVdazVC0B?usp=sharing
12/28: [was Shabbat, sorry]
« Last Edit: November 01, 2020, 10:21:00 PM by noahbickart »
Recording:
Capsules: Schoeps mk41v (x2), mk22 (x2), mk3 (x2), mk21 & mk8
Cables: 2x nbob KCY, 1 pair nbob actives, GAKables 10' & 20' 6-channel snakes, Darktrain 2 & 4 channel KCY and mini xlr extensions:
Preamps:    Schoeps VMS 02iub, Naiant IPA, Sound Devices Mixpre6 I
Recorders: Sound Devices Mixpre6 I, Sony PCM m10

Home Playback: Mac Mini> Mytek Brooklyn+> McIntosh MC162> Eminent Tech LFT-16; Musical Fidelity xCan v2> Hifiman HE-4XX / Beyerdynamic DT880

Office Playback: iMac> Grace m903> AKG k701 / Hifiman HE-400

Online aaronji

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Re: MK21 vs MK22?
« Reply #20 on: November 01, 2020, 07:48:53 PM »
Stereophonic Zoom.
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Offline Gutbucket

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Re: MK21 vs MK22?
« Reply #21 on: November 02, 2020, 09:12:36 AM »
does anybody know what this chart means? its from Schoeps MK22 page


Stereophonic Zoom.

It is a plot showing expected stereo imaging based on intensity / time-of-arrival tradoffs of various angle/spacing relationships between a stereo pair.

It is useful for estimating the effective inclusive stereo imaging angle upon playback over a standard 60° speaker setup, given various combinations of spacing (X axis) and angle (Y axis) between a stereo pair of microphones with the polar characteristics of the MK22, derived from data extrapolated from a series of listening tests. 

The curved lines with angles in bubbles indicate the "angle of acceptance" (deemed "Orchestra Angle" in Williams' Stereo Zoom parlance),  inside of which individual sound sources of interest can be expected to be heard upon playback to be spatially arrayed between the speakers, whereas sources outside that angle are reproduced so as to appear to be spatially compressed around one speaker or the other.  The shaded areas indicate regions of increased spatial distortion in the playback image.

[edit- Noah's recording notes indicate that he positioned the MK22 pair 45cm and 65° apart for that recording.  According to the chart, that should result in an stereo pickup angle (Orchestra Angle) of around +/- 30° or about 60° total when reproduced over a 60° playback speaker arrangement]
« Last Edit: November 02, 2020, 03:44:40 PM by Gutbucket »
musical volition > vibrations > voltages > numeric values > voltages > vibrations> virtual teleportation time-machine experience
Better recording made easy - >>Improved PAS table<< | Made excellent- >>click here to download the Oddball Microphone Technique illustrated PDF booklet<<

Offline Gutbucket

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Re: MK21 vs MK22?
« Reply #22 on: November 02, 2020, 10:23:48 AM »
Can anyone comment on the qualitative and quantitative differences between MK21 and MK22 with regards to far off-axis sources? Essentially across the "rear hemisphere" of the pattern, specifically across the region between 120° through 240° or so?   I'm interested in the difference in subjective sound quality as well as the difference in sensitivity between the front and back averaged across that relatively wide angle, rather than as measured specifically at 180°.

Although this question is relatively straight forward, my reason for asking is in regards to a rather atypical application.  I've long thought about using these types of patterns in place of omnis in the wide A-B portion of my arrays, which serve a dual roll of low frequency pickup and ambient/audience/reverberant capture.  For the purpose of low frequency pickup the omnis are unsurpassed.  Yet for the purpose of ambient/audience/room capture there is too much pickup of direct arriving sound from the front to allow for the most optimal balance with the other microphones dedicated to frontal direct-arrival pickup and imaging.  This places the two roles at odds.  A rear-facing wide A-B pair of cardioids sufficiently limits sensitivity to direct arrival from the front, yet lacks the low bass response (and sufficient ambient openness). And used in this way, a cardioid may adversely color pickup of the dominant front-arriving sound if its response across it's region of minimal sensitivity is not especially well behaved.  Fortunately in general, with greater sensitivity to the rear comes increased smoothness across that region (more open patterns being generally better behaved across their least sensitive quadrant).

Its my speculation that a rear-facing A-B pair of subcardioids or open cardioids in place of omnis could sufficiently reduce sensitivity to the front while retaining sufficient low frequency sensitivity and openness.  I'd love to experiment with a pair of A-B fig-8's coincident with the omnis to really get a handle on dialing in the front/back sensitivity balance afterward, but based on my experience I expect a subcardioid or open-cardioid type pattern would be just about right.
musical volition > vibrations > voltages > numeric values > voltages > vibrations> virtual teleportation time-machine experience
Better recording made easy - >>Improved PAS table<< | Made excellent- >>click here to download the Oddball Microphone Technique illustrated PDF booklet<<

Offline rigpimp

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Re: MK21 vs MK22?
« Reply #23 on: November 02, 2020, 02:04:29 PM »
I'm simply posting here to track all of the Schoeps Genius comments on two caps I know very little about. 

When I first saw the polar pattern chart at the top it occurred to me that the mk21 might be better at rejecting wind noise due to its shape being more like a pure omni.  Does anyone have experience running these outdoors in windier environs? 

I already own pairs of CCM4, MK8, and MK5 so I feel that I could probably get close to recreating the sound of a 21 or 22 in post-production with an M/S pair.  I guess I am trying to justify why I need the 21 or 22.

I ran them next to you in NOS at Gorge ‘18 nights 1 + first half of night 2. I have also run them at Dick’s.

They are not impervious to wind noise, but they are *significantly* more resilient than the 4.

Edit: given were both Bay Area tapers, next time shows are allowed you’re welcome to take a patch off me, or you’re welcome to borrow my 21s. Better yet, if I get a pair of 22s between now and then we can run em head to head.

I remember you ran one of them but was unsure which.  Can you pm me a link to your pull from night 1?  I'd like to A:B it with my pull.  I just listened to parts of my CCM4 pull and the MS pull so I have a good idea of where the windy spots are.
Mics: Schoeps MK5 G MP, Schoeps CCM 4 Lg MP, Schoeps MK8 MP, nBob cables > PFA, KCY 250/5 > PFA
Pre/A>D/P48: Sonosax SX/M2-LS, E.A.A. PSP-2, Naiant Tinybox, Neumann BS48i-2 (for sale)
Recorders: Sound Devices Mixpre-6, Sony PCM-M10
Playback: McIntosh MC 2105 > McIntosh MX 130 > Von Schweikert VR-4 JR
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Offline noahbickart

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Re: MK21 vs MK22?
« Reply #24 on: November 02, 2020, 02:16:59 PM »
[edit- Noah's recording notes indicate that he positioned the MK22 pair 45cm and 65° apart for that recording.  According to the chart, that should result in an stereo pickup angle (Orchestra Angle) of a bit less than +/- 30° or 60° total when reproduced over a 60° playback speaker arrangement]

And it's all your fault.

I had a special bar made to allow for wider spacings and narrower angles and infinite adjustment of each for your PAS theory......
Recording:
Capsules: Schoeps mk41v (x2), mk22 (x2), mk3 (x2), mk21 & mk8
Cables: 2x nbob KCY, 1 pair nbob actives, GAKables 10' & 20' 6-channel snakes, Darktrain 2 & 4 channel KCY and mini xlr extensions:
Preamps:    Schoeps VMS 02iub, Naiant IPA, Sound Devices Mixpre6 I
Recorders: Sound Devices Mixpre6 I, Sony PCM m10

Home Playback: Mac Mini> Mytek Brooklyn+> McIntosh MC162> Eminent Tech LFT-16; Musical Fidelity xCan v2> Hifiman HE-4XX / Beyerdynamic DT880

Office Playback: iMac> Grace m903> AKG k701 / Hifiman HE-400

Offline Gutbucket

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Re: MK21 vs MK22?
« Reply #25 on: November 02, 2020, 03:43:17 PM »
^ And my thanks to you for putting the technique to such good use.  Your recordings are THE proof of it working as well as I originally expected and hoped.

To explain to others, we are talking about the Improved Point At Stacks technique as described in this thread- https://taperssection.com/index.php?topic=167549.msg2087409#msg2087409 (which is also linked in my signature line as Better recording made easy - >>Improved PAS table<<).  It takes the audience-taper-specific PAS microphone technique and applies to it the intensity/time-of-arrival trade-offs described above, in order to determine the most optimal spacing to use between the microphones.  In that way it solves for the special situation where it is desirable for the Orchestra Angle to be the same as the angle between the microphones, whereas generally those two angles are not the same.  It makes determining the optimal spacing between microphones easy via a single lookup table, given the PAS angle and the pickup pattern of the microphones.
« Last Edit: November 02, 2020, 03:47:14 PM by Gutbucket »
musical volition > vibrations > voltages > numeric values > voltages > vibrations> virtual teleportation time-machine experience
Better recording made easy - >>Improved PAS table<< | Made excellent- >>click here to download the Oddball Microphone Technique illustrated PDF booklet<<

Offline MakersMarc

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Re: MK21 vs MK22?
« Reply #26 on: November 05, 2020, 03:46:00 PM »
Anyone run mk21/22 in a hat or by other lopro mounting? Ok to PM probably should.
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Offline noahbickart

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Re: MK21 vs MK22?
« Reply #27 on: November 15, 2020, 12:42:29 AM »
Anyone run mk21/22 in a hat or by other lopro mounting? Ok to PM probably should.

PM sent

also here's a good mk22 source (Phish 6/28/16 Mann from DFC Balcony): https://drive.google.com/drive/folders/1XAdOA9jVlqK1zygWw_sOd9i5LYVHyGmz?usp=sharing
« Last Edit: November 15, 2020, 12:46:06 AM by noahbickart »
Recording:
Capsules: Schoeps mk41v (x2), mk22 (x2), mk3 (x2), mk21 & mk8
Cables: 2x nbob KCY, 1 pair nbob actives, GAKables 10' & 20' 6-channel snakes, Darktrain 2 & 4 channel KCY and mini xlr extensions:
Preamps:    Schoeps VMS 02iub, Naiant IPA, Sound Devices Mixpre6 I
Recorders: Sound Devices Mixpre6 I, Sony PCM m10

Home Playback: Mac Mini> Mytek Brooklyn+> McIntosh MC162> Eminent Tech LFT-16; Musical Fidelity xCan v2> Hifiman HE-4XX / Beyerdynamic DT880

Office Playback: iMac> Grace m903> AKG k701 / Hifiman HE-400

 

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