New capsule in the AR51?
Johnkenn
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#1
30th December 2012
Old 30th December 2012
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New capsule in the AR51?

Johnkenn
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#2
30th December 2012
Old 30th December 2012
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Ok - I'm not saying these are the same thing AT ALL...but damn, they sure do look similar. How many ways can you skin a cat? It's got to be all about the capsule...

Apex 460


And the Tele
Johnkenn
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#3
30th December 2012
Old 30th December 2012
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#4
30th December 2012
Old 30th December 2012
  #4
Lives for gear
 
Denny C's Avatar
I don't think any of these are going to sound anywhere near as good
as that 251 Tele you were very very very interested in.
#5
30th December 2012
Old 30th December 2012
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musicgen's Avatar
I paid the $200 and had the capsule changed in my older AR51. Right away I noticed a difference. Much fuller sound. They included a frequency chart comparing old and new as well. Worth the $.
Johnkenn
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#6
30th December 2012
Old 30th December 2012
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Quote:
Originally Posted by Denny C View Post
I don't think any of these are going to sound anywhere near as good
as that 251 Tele you were very very very interested in.
I know...kind of depressing.
#7
30th December 2012
Old 30th December 2012
  #7
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kidvybes's Avatar
 

Quote:
=Johnkenn;8585406Ok - I'm not saying these are the same thing AT ALL...but damn, they sure do look similar. How many ways can you skin a cat? It's got to be all about the capsule...
...the original capsule in the AR51 appeared to be a better QC'd version of the same 32mm K67 capsule used in the 460...the current 34mm C12 capsule appears to be the same capsule as these (again possibly with better QC):
RK-12: a CK12 Microphone Capsule | Microphone Parts
Attached Thumbnails
New capsule in the AR51?-ar-51-tk51d-design-change-label.jpg  
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1
#8
30th December 2012
Old 30th December 2012
  #8
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Denny C's Avatar
Quote:
Originally Posted by Johnkenn View Post
I know...kind of depressing.
Don't be depressed...it's the holiday season. And BTW, you write some very nice material coupled with a great voice.
Johnkenn
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#9
30th December 2012
Old 30th December 2012
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Quote:
Originally Posted by kidvybes View Post
...the original capsule in the AR51 appeared to be a better QC'd version of the same 32mm K67 capsule used in the 460...the current 34mm C12 capsule appears to be the same capsule as these (again possibly with better QC):
RK-12: a CK12 Microphone Capsule | Microphone Parts
Damn...
Johnkenn
Thread Starter
#10
30th December 2012
Old 30th December 2012
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Quote:
Originally Posted by Denny C View Post
Don't be depressed...it's the holiday season. And BTW, you write some very nice material coupled with a great voice.
Thanks, Denny...
Johnkenn
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#11
9th January 2013
Old 9th January 2013
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Quote:
Originally Posted by musicgen View Post
I paid the $200 and had the capsule changed in my older AR51. Right away I noticed a difference. Much fuller sound. They included a frequency chart comparing old and new as well. Worth the $.
Any way you could post those? Love to see a freq graph with the new side terminated capsule.
#12
9th January 2013
Old 9th January 2013
  #12
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musicgen's Avatar
Quote:
Originally Posted by Johnkenn View Post
Any way you could post those? Love to see a freq graph with the new side terminated capsule.
Ill look for it, not promising much right now, construction at the studio. Although, their customer service is awesome I bet they would email you one! contact@t-funk.com
#13
22nd January 2013
Old 22nd January 2013
  #13
Hi John-

Greetings from the Telefunken lab. I've attached some in-house reference frequency response comparisons between the TK67D (original center-tap) and TK51D (new edge-terminated) capsules. The black line is the TK67D, the blue/purple line is the new TK51D. To note, these plots are not absolute representations of the frequency response, but presented to highlight the differences between the two.

For part sourcing, we have our own sources for these parts and do not get them from any of the aforementioned companies. The design philosophy of the R-F-T series has always been utilizing overseas metalwork and capsules, combining them with quality components, NOS tubes and premium transformers.

Yes the capsules are sourced from overseas, but we spent considerable time finding the best quality sources we could, and test them to strict tolerance in-house prior to installation. Over the last year, we went through over half a dozen sources and numerous capsule models and options from each before deciding on the TK51D.

For the AR-51 specifically, we use the same Swiss-made Haufe T14/1 output transformer as used in our ELA M 251 and C12, a NOS R-F-T ECC81 vacuum tube, and custom-made polystyrene film capacitors in the US.

Every microphone is hand-built in our lab here in CT from raw parts to complete system. All design, PCB layout, and board plugging are also done here.

Hope that helps.
-Ryan
Attached Thumbnails
New capsule in the AR51?-tk67d-vs-tk51d-cardioid.jpg   New capsule in the AR51?-tk67d-vs-tk51d-figure-8.jpg   New capsule in the AR51?-tk67d-vs-tk51d-omni.jpg  
#14
22nd January 2013
Old 22nd January 2013
  #14
Gear addict
 
musicgen's Avatar
T Funk rules! What a reply!
Johnkenn
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#15
22nd January 2013
Old 22nd January 2013
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Thanks for the reply!
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