Sound Pure's Take

The Telefunken AR 51 is an affordably priced large diaphragm tube condenser microphone, and a part of Telefunken's R-F-T line.  The microphone uses the amplifier circuit design of the world reknowned and extremely valuable Telefunken Elam 251 E and the C12 , but uses an offshore capsule and power supply in order to meet this affordable price point. The basis of the amplifier is a New Old Stock ECC81 vacuum tube and a German built output transformer that you will also find in their much more expensive C-12 and ELA M 251E.

This is a wonderful mic that works great on a variety of instruments and circumstances.  It is a fantastic vocal mic, but also sounds great on drums, sax, and as your are now hearing it, it is a great mic for acoustic guitars.  It has a very smooth mid-range with an open, brilliant, sparkly, and detailed top end and a well-balanced low end.   Despite this top end, it is not harsh at all, unlike many other microphones that try!

The microphone is delivered in a beautiful wooden box with a Telefunken shock mount, cable, and power supply.  The microphone has 9 different polar patterns that are selectable from the external power supply.  The multitude of polar patterns makes this mic extremely flexible for a variety of recording situations.

Thank you for checking out the Telefunken AR51’s with us.  Please call any of the engineers here at Sound Pure if you have any questions on this mic or any of the other fine Telefunken microphones and boutique professional recording equipment that we carry.

Watch & listen

2K LDC Tube Mic Shootout on Female Vocals: Pearlman TM1, Miktek CV4, Peluso P67, Telefunken AR51

Also in this recording Pearlman TM1 Large Diaphragm Tube Microphone Miktek CV4 Large Diaphragm Multi-Pattern Tube Condenser Peluso P-67 Switchable Pattern Tube Microphone Millennia HV-3R Digital 8 Channel Mic Preamp Lynx Aurora 16 and HD Card D/A and A/D Converter

In this video we put 4 LDC tube microphones from the 2K price point up against eachother on female vocals: the Pearlman TM1, the Miktek CV4, the Peluso P-67, and the Telefunken AR-51. Can you tell which is which? Joinin... Read more

In this video we put 4 LDC tube microphones from the 2K price point up against eachother on female vocals: the Pearlman TM1, the Miktek CV4, the Peluso P-67, and the Telefunken AR-51. Can you tell which is which? Joining us for this shootout are Ayisa Adderley (vocals) and Caige Crampshee (guitar) from the band Eyes Eat Suns. Check them out at http://eyeseatsuns.band/

TELEFUNKEN ELEKTROAKUSTIK Multi-Track Session with The Olympic Ass Kicking Team

Also in this recording TELEFUNKEN Elektroakustik ELA M 260 Microphone Master Set TELEFUNKEN Elektroakustik M81 Dynamic Microphone TELEFUNKEN Elektroakustik M80 Dynamic Microphone TELEFUNKEN Elektroakustik AR-70 Stereo Tube Mic TELEFUNKEN Elektroakustik R-F-T- AK47 MKII TELEFUNKEN Elektroakustik CU-29 Copperhead TELEFUNKEN U-48 Microphone

Terry Anderson and The Olympic Ass Kicking Team (or The OAK Team for short) recorded their new song "Girls with Glasses" during a weekend session with Fletcher at Sound Pure Studios for TELEFUNKEN'S multitrack session mi... Read more

Terry Anderson and The Olympic Ass Kicking Team (or The OAK Team for short) recorded their new song "Girls with Glasses" during a weekend session with Fletcher at Sound Pure Studios for TELEFUNKEN'S multitrack session mix contest. Girls with Glasses was recorded with all TFunk microphones including: M80, M81, M82 prototype, ELA M 260 with both omni and cardioid capsules, AR-51, AK-47 MkII, AR-70 Stereo mic, U48, and U47. Check out the full version of "Girls with Glasses" by watching our video of the session. The session was was engineered and mixed by Fletcher. If you have any questions about the gear used in this recording, call the engineers at Sound Pure today. Or, if you would like to enter T-Funk's mix contest, visit their website and download the multitrack files to mix the song yourself!

Telefunken AR51 Tube Microphone - Acoustic Guitars Video in the Recording Studio

Also in this recording Earthworks 1024 Quad Mic Pre with Zero Distortion Technology Lynx Aurora 16 I/O D/A and A/D Converter Great River Electronics MP-2NV Stereo Preamp

Telefunken AR51 tube microphones beautifully record acoustic guitars with warmth and smoothness in the midrange, a nice tight bottom-end, and an open and brilliant top. In the first segment the mic on the right was place... Read more

Telefunken AR51 tube microphones beautifully record acoustic guitars with warmth and smoothness in the midrange, a nice tight bottom-end, and an open and brilliant top. In the first segment the mic on the right was placed near the 12th fret of the guitar and the microphone on the left was placed over the guitarist right shoulder. This approach creates a very large and balanced stereo image. As you can hear, these mics are warm and very pleasing in the mid range and articulate in the top end without being overly bright. You will then hear a studio recording of a stereo pair of the Telefunken AR51's on a Martin HD28. In this setup we hear more body from the acoustic due to the placement of the the mics than we did in the previous example, nicely displaying the versatility of the Telefunken AR51's in the recording studios. Please don't hesitate calling any of us here at Sound Pure, we are here to help in any way that we can- call us toll free 888.528.9703

Terry Anderson and the Olympic Ass Kicking Team - "Girls With Glasses" Session

Also in this recording Vintech Audio 573 500-Series Mic Preamp Pork Pie 3pc Maple Shell Pack Pocaro Blue / Curly Maple TELEFUNKEN Elektroakustik ELA M 260 Microphone Master Set TELEFUNKEN Elektroakustik M80 Dynamic Microphone TELEFUNKEN Elektroakustik CU-29 Copperhead TELEFUNKEN Elektroakustik C-12 Microphone TELEFUNKEN Elektroakustik AR-70 Stereo Tube Mic

The OAK Team came to Sound Pure for a recording session led by Fletcher. The "Girls With Glasses" session was sponsored by TELEFUNKEN ELEKTROAKUSTIK for their mix contest (go to TFunk's website to download the tracks and... Read more

The OAK Team came to Sound Pure for a recording session led by Fletcher. The "Girls With Glasses" session was sponsored by TELEFUNKEN ELEKTROAKUSTIK for their mix contest (go to TFunk's website to download the tracks and enter the mix contest). The session was also sponsored by A Designs Audio, Avid Nolatone Ampworks, Phoenix Audio, Pork Pie Percussion, and Vintech Audio. Check out our other demo videos from this session to learn about the specific gear and equipment used. If you have any questions about specific recording chains, signal paths, or gear, please give us a call at 888.528.9703 or 919.682.5552. Thanks to the Olympic Ass Kicking Team - Terry Anderson (Drums/Vocals), Jack Cornell (Bass/Backup Vocals), Greg Rice (Keys), and Dave Bartholomew (Guitar/Percussion).

Earthworks 1021 1022 1024 Mic Preamp Video Demo

Also in this recording Earthworks 1024 Quad Mic Pre with Zero Distortion Technology Earthworks SR40 mp Cardioid Microphone (Pair) Earthworks QTC40 mp Time Coherent Omnidirectional Microphone (Pair) Earthworks PM40 Piano Microphone System Peluso P-67 Switchable Pattern Tube Microphone Evans RE200 Guitar Amplifier Combo

The Earthworks 1021, 1022, and 1024 Zero Distortion Preamps are completely free of noise and distortion, and are really a lot like "wire and gain." Such transparency, accuracy and detail in a mic preamp are extremely... Read more

The Earthworks 1021, 1022, and 1024 Zero Distortion Preamps are completely free of noise and distortion, and are really a lot like "wire and gain." Such transparency, accuracy and detail in a mic preamp are extremely useful when the sound of the instrument coupled with an amazing microphone should not be compromised. The Earthworks preamp will not add its own coloration and artifacts like just about every other preamp on the market. It is designed to delver the sound coming out of the microphone exactly that way, as if there is no preamp in the signal path whatsoever. In this video we demonstrate this performance through a variety of microphones and sources including recording acoustic guitar, piano, jazz archtop guitar, and electric guitars. Give us a call to discuss this amazing distortion-free preamp, toll free 888.528.9703.

Eastman AC720 Acoustic Guitar Demo

Also in this recording Lynx Aurora 16 I/O D/A and A/D Converter Great River Electronics MP-2NV Stereo Preamp

The Eastman AC720 Acoustic Guitar is guaranteed to impress- with a great punch, and a crisp and articulate tone, there is no guitar in this price range that can compete. It is probably the best value on the high end acou... Read more

The Eastman AC720 Acoustic Guitar is guaranteed to impress- with a great punch, and a crisp and articulate tone, there is no guitar in this price range that can compete. It is probably the best value on the high end acoustic market today, and a great addition to any guitar collection or studio. Featuring a lovely Engelmann Spruce top and solid rosewood for the back and sides. The instrument was recorded inside the Sound Pure studio live room with a fantastic pair of Telefunken AR51 microphones. The AR 51 is Telefunken's RFT version of their famous and well known Telefunken ELA M 251 Tube Microphone. We recorded through a Great River MP2NV pre amp. Sound Pure uses and sells all the gear that we represent from this fine acoustic guitar (available from our Guitar Boutique), to the fine microphones and the fine mic preamp that we used to create these recordings. - our Sound Pure sales team is always available to answer your questions, and can be reached toll free at 888-528-9703.

Martin HD-28 VS Acoustic Guitar Video Demo in Recording Studio (Spruce/Rosewood)

Also in this recording Martin HD-28VS Acoustic Guitar - Near Mint Earthworks 1024 Quad Mic Pre with Zero Distortion Technology Lynx Aurora 16 I/O D/A and A/D Converter

This is a very well cared for HD-28VS from 2007, recorded beautifully with a pair of the new Telefunken AR51s through an Earthworks 1024 Mic preamp at Sound Pure Recording Studios. This 12-fret Dread from Martin is known... Read more

This is a very well cared for HD-28VS from 2007, recorded beautifully with a pair of the new Telefunken AR51s through an Earthworks 1024 Mic preamp at Sound Pure Recording Studios. This 12-fret Dread from Martin is known as the "banjo killer" due to its gigantic sound. Its got s solid spruce top with Solid Indian Rosewood Backs and Sides. The setup is really good with nice medium to low action. No buzzes anywhere. There are no scratches, dings, or repairs to speak of. A great way to get into one of these guitars at a discount! All the gear in the video is available for purchase from Sound Pure, call and speak to one of our recording-gear experts, or guitar-professionals today, toll free at 888-528-9703

From TELEFUNKEN Elektroakustik

While TELEFUNKEN Elektroakustik is well known for our historic recreation microphones, but as we all know those recreations are intended for the 'upper crust' of the recording industry who can afford the best of the best.

With this in mind we created the R-F-T Series of microphones as an affordable solution that delivers amazing tone, ultimate application flexibility at a price anyone who is serious about recording can afford.

The AR-51 is the culmination of this ideal. For the AR-51 we took the amplifier electronics of a C-12 and ELA M 251E and married them to an offshore capsule and power supply so we can bring the best of both worlds together for what are destined to become the classics of tomorrow.

While the capsule is built off shore, it is tested to very high tolerances for consistency in our Connecticut based US laboratory. The capsule is then coupled to a slightly tweezed classic amplifier. The core of this amplifier is NOS [New Old Stock] ECC81 vacuum tube which is coupled the same German built output transformer you will find in our far more expensive C-12 and ELA M 251E.

In use, the R-F-T AR-51 is a fantastic utility mic!! Its smooth mid-range, open top end, and solid well-balanced low frequency translation make it a great choice on anything from vocals to drums and percussion to acoustic guitar to saxophone. There are 1000 more uses, but we think you get the idea that this is indeed a remarkably versatile microphone.

The remote pattern selector (located on the power supply) provides 9 different polar patterns, giving the user a myriad of choices for how to record the source sound in a manner that will best compliment their production.

You can start your path to sonic euphoria by contacting your favorite TELEFUNKEN Elektroakustik reseller and requesting a demo of the R-F-T AR-51. It is sure to put a smile on your face without putting too much of a dent in your wallet.

Type Condenser Pressure Gradient
Capsule dual sided gold sputtered membrane
Frequency Range 20Hz / 20kHz
Polar Pattern Omni, Cardioid, Figure 8 with 6 intermediate stages
Sensitivity 14MV/Pa = -37dB (0dB = 1v/Pa) -10bD
Impedance 200 ohms stock
SPL 138 dB
Non Linear Distortion Less than or equal to 0.5% at 100 dyne / cm sq
Equivalent Noise 16 dB (a-weighted)
Tube Type NOS ECC81 twin triode
Power Dedicated Power Supply
Weight 27oz (765g)
Size 9 1/2" (241mm) length x 1 3/4" (44.45mm) diameter
Extras Modern Power Supply, Shock Mount, Wooden Box

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Sound Pure Studios Control Room A — Durham, NC

Sound Pure Studios · Durham, NC

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