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Author Topic: How A Shotgun Mic Works  (Read 7070 times)

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Offline Charlie Miller

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How A Shotgun Mic Works
« on: October 13, 2017, 01:16:50 PM »
I was doing some research on Schoeps shotguns and came across this page. It has some interesting info that some may find useful. Scroll down and check out the pics in the comments section.

https://randycoppinger.com/2012/04/05/how-a-shotgun-mic-works/

I've never seen an AKG C747 Shotgun mic before. Anyone ever seen one?

https://www.akg.com/Microphones/Shotgun%20Microphones/C747V11.html

« Last Edit: October 13, 2017, 01:21:34 PM by Charlie Miller »
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Re: How A Shotgun Mic Works
« Reply #1 on: October 13, 2017, 01:25:46 PM »
That's pretty interesting. Thanks!
Mics: SKM184's; ADK A51s; AT4041; Superlux S502; CK91 active w/homebrew BB; AT853; Naiant X-X; Nak 300's
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Re: How A Shotgun Mic Works
« Reply #2 on: October 13, 2017, 02:02:35 PM »
Those c747's look pretty interesting. I just started messing with the ck-8's and have been enjoying the results with shotguns (short in this case) more than I expected. More lows than I had initially imagined I'd get out of them.

Offline Charlie Miller

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Re: How A Shotgun Mic Works
« Reply #3 on: October 13, 2017, 02:05:26 PM »
Those c747's look pretty interesting. I just started messing with the ck-8's and have been enjoying the results with shotguns (short in this case) more than I expected. More lows than I had initially imagined I'd get out of them.

Just picked up a pair of 460/ck8 short shots and had the same findings as you.
http://bt.etree.org/details.php?id=595408
Audio Engineer & Archivist for Steve Kimock Productions

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Offline kindms

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Re: How A Shotgun Mic Works
« Reply #4 on: October 13, 2017, 04:09:50 PM »
Those c747's look pretty interesting. I just started messing with the ck-8's and have been enjoying the results with shotguns (short in this case) more than I expected. More lows than I had initially imagined I'd get out of them.

Just picked up a pair of 460/ck8 short shots and had the same findings as you.
http://bt.etree.org/details.php?id=595408

we have had the ck8's for years and would agree. I think probably one of the best shotguns you can have in your kit.

we run them with the knuckles on the bodies generally which helps keep the foot print a little smaller.
AKG c426, AKG414 XLS/ST, AKG ck61, ck22, >nBob colettes >PFA > V3, SD MixPre >  TCM-Mod Tascam HDP2, Sony M10
Little Bear tube Pre >Outlaw Audio 2200 Monoblocks > VR-2's

Offline Charlie Miller

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Re: How A Shotgun Mic Works
« Reply #5 on: October 13, 2017, 04:15:01 PM »
Those c747's look pretty interesting. I just started messing with the ck-8's and have been enjoying the results with shotguns (short in this case) more than I expected. More lows than I had initially imagined I'd get out of them.

Just picked up a pair of 460/ck8 short shots and had the same findings as you.
http://bt.etree.org/details.php?id=595408

we have had the ck8's for years and would agree. I think probably one of the best shotguns you can have in your kit.

we run them with the knuckles on the bodies generally which helps keep the foot print a little smaller.

I'm running them for Phish NYE.
Audio Engineer & Archivist for Steve Kimock Productions

Schoeps CMC6/MK4, AKG 460/CK61, AKG C34
Sound Devices 744T
Dante Multitrack Rig

Offline kindms

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Re: How A Shotgun Mic Works
« Reply #6 on: October 13, 2017, 04:31:24 PM »
Those c747's look pretty interesting. I just started messing with the ck-8's and have been enjoying the results with shotguns (short in this case) more than I expected. More lows than I had initially imagined I'd get out of them.

Just picked up a pair of 460/ck8 short shots and had the same findings as you.
http://bt.etree.org/details.php?id=595408

we have had the ck8's for years and would agree. I think probably one of the best shotguns you can have in your kit.

we run them with the knuckles on the bodies generally which helps keep the foot print a little smaller.

I'm running them for Phish NYE.

Interesting. As a standalone pair or part of an array ?
AKG c426, AKG414 XLS/ST, AKG ck61, ck22, >nBob colettes >PFA > V3, SD MixPre >  TCM-Mod Tascam HDP2, Sony M10
Little Bear tube Pre >Outlaw Audio 2200 Monoblocks > VR-2's

Offline Gutbucket

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Re: How A Shotgun Mic Works
« Reply #7 on: October 13, 2017, 04:54:12 PM »
The original 'gun' mic was designed by Harry Olsen for use on the then new 'talkie' films (developed to be able pull the microphone back out of the frame) looked more like a classic sci-fi raygun than a shotgun.  It used multiple tubes of varying length arranged in a spiral cluster in front of the microphone element.  The later development of using a single slotted or otherwise vented interference tube achieved the same result using a single tube- simpler, more compact, lighter, lest costly- and that was the end of the multiple tube method

Although I've come across them in the past, I can't locate a photo of the original version, built by RCA I assume, as Olsen worked for them and developed the original RCA ribbon mics. I did find a photo of this DIY version which is similar-





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Re: How A Shotgun Mic Works
« Reply #8 on: October 13, 2017, 04:59:35 PM »
Check out the EV 643, largest interference tube mic ever-

The longer the tube the lower the pattern control. This ~7' long interference tube supposedly maintained a controlled shotgun lobe pattern down to ~700Hz.
Imagine a pair of these in the section!


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<< (note: This is a 1st draft, now several years old and in need of revision!  Stay tuned)

Offline Charlie Miller

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Re: How A Shotgun Mic Works
« Reply #9 on: October 13, 2017, 05:24:23 PM »
Those c747's look pretty interesting. I just started messing with the ck-8's and have been enjoying the results with shotguns (short in this case) more than I expected. More lows than I had initially imagined I'd get out of them.

Just picked up a pair of 460/ck8 short shots and had the same findings as you.
http://bt.etree.org/details.php?id=595408

we have had the ck8's for years and would agree. I think probably one of the best shotguns you can have in your kit.

we run them with the knuckles on the bodies generally which helps keep the foot print a little smaller.

I'm running them for Phish NYE.

Interesting. As a standalone pair or part of an array ?

probably stand alone. I'm very happy with how they sound. I think they'll be clearer than the MK4's. Plus this time I'm bringing my V2.
Audio Engineer & Archivist for Steve Kimock Productions

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Sound Devices 744T
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Offline obaaron

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Re: How A Shotgun Mic Works
« Reply #10 on: October 13, 2017, 05:55:17 PM »
Cool article thanks for posting. Im definitely going to be running my guns more often really like Mule pull with the 480/ck69 and the DJ Williams set from Adams ave came out grea with the 460/ck8 combo really impressd with both pulls
Mics:  Gefell M20,M21- sms2000/nbob | Schoeps MK4V;MK4- cmc1L/cmc6/nbob | AKG ck1,3,8,22;ck61,62,63,69- c460b/c480b/Naiant/nbob actives | Neumann KM140/150 | AT853, AT933 | CA-11 | DPA 4022 (on loan)
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Offline Charlie Miller

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Re: How A Shotgun Mic Works
« Reply #11 on: October 15, 2017, 05:31:35 PM »
Found this:

https://www.quora.com/What-is-a-shotgun-microphone-How-do-they-work

I guess there’s a bunch of different sites with really cool info. Makes sense just never thought about it
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Sound Devices 744T
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Re: How A Shotgun Mic Works
« Reply #12 on: October 15, 2017, 09:57:04 PM »
Those c747's look pretty interesting. I just started messing with the ck-8's and have been enjoying the results with shotguns (short in this case) more than I expected. More lows than I had initially imagined I'd get out of them.

Just picked up a pair of 460/ck8 short shots and had the same findings as you.
http://bt.etree.org/details.php?id=595408

we have had the ck8's for years and would agree. I think probably one of the best shotguns you can have in your kit.

we run them with the knuckles on the bodies generally which helps keep the foot print a little smaller.

I'm running them for Phish NYE.

Charlie, if you want me to run the mk4> cmc6 rig for you, I'll have two extra channels on my Mixpre6....
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
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Home Playback: Mac Mini> Mytek Brooklyn+> McIntosh MC162> Eminent Tech LFT-16; Musical Fidelity xCan v2> Hifiman HE-4XX / Beyerdynamic DT880

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Offline Charlie Miller

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Re: How A Shotgun Mic Works
« Reply #13 on: October 16, 2017, 12:54:08 AM »
Those c747's look pretty interesting. I just started messing with the ck-8's and have been enjoying the results with shotguns (short in this case) more than I expected. More lows than I had initially imagined I'd get out of them.

Just picked up a pair of 460/ck8 short shots and had the same findings as you.
http://bt.etree.org/details.php?id=595408

we have had the ck8's for years and would agree. I think probably one of the best shotguns you can have in your kit.

we run them with the knuckles on the bodies generally which helps keep the foot print a little smaller.

I'm running them for Phish NYE.

Charlie, if you want me to run the mk4> cmc6 rig for you, I'll have two extra channels on my Mixpre6....

Done! I have two free channels, just don't wanna deal with running 4 mics.
Audio Engineer & Archivist for Steve Kimock Productions

Schoeps CMC6/MK4, AKG 460/CK61, AKG C34
Sound Devices 744T
Dante Multitrack Rig

Offline opsopcopolis

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Re: How A Shotgun Mic Works
« Reply #14 on: October 16, 2017, 11:34:14 AM »
It's the same principle that differentiates directional mics from omnis in general.

 

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