Rare is the recording whether classical, rock or pop, news broadcasts or radio dialogue which doesnt feature at least one neumann microphone. What is the difference between a fet condenser and a standard. A microphone specially made for the french broadcasting network ortf. Created in 3ds max 2012 and rendered with scanline and vray 2. The products in this series successfully combine a shift to high coupling low leakage with a shift to completely automatic winding by employing a new structure that makes automatic winding possible, resulting in isolation transformers that can provide stable output. Neumann u 47 is a largediaphragm condenser microphone. The neumann u 47 fet is a large diaphragm condenser microphone that is has a standard xlr connection and has a special transistor known as a field effect transistor fet. Neumann u 47 fet collectors edition largediaphragm. The u47 uses a different capsule and is not a fair comparison to the u67u77u87u87ai. The mic is in excellent condition for a 44 year old microphone. The neumann u47 fet was first manufactured from 1972 to 1986, and since then has been firmly established in the range of microphones used by many well.
High primary inductance presents minimal load to driving circuitry at very low frequencies. Also, unlike neumann they dont compensate for the inherent 8k boost which invariably makes these. For greater savings check out our used neumann u47 fet 1 condenser microphone and get a great deal today. Different from the original u47 by the use of the latest amplifier technology the u47 fet rapidly became a classic in its own right. Im selling my original 1972 neumann u47 fet microphone. Nearly 30 years after production of the original u47 fet ceased, neumann.
The u47 was manufactured by neumann, but initially distributed by telefunken. On occasion when i would have 2 vocalists i would set them up on opposite sides of the room, one on the u87 the other on the u47 fet generally, the quality was very similar, but the bigger difference was that the room rejection was greater on the u47 hyper cardioid. Using the same transformer and k47 mic capsule, and built with the same exacting specifications that make neumann a worldleader in microphone technology, the u47 fet collectors edition is poised to bring a classic mic sound to a new generation of recording engineers. The original u47 had a pentode tube vf14 made by telefunken wich was discontinued in 1965.
Four years later, with the vf14 tube no longer available, neumann developers tried to recapture the sound. Like its tubebased predecessor, the u47 fet utilized the same capsule as the original, but could better handle high sound pressure levels. Its frequency response falls between those of the u47 and u67 vintage tube microphones. Introduced in 1967, it has shaped the sound of countless hit records for the past 50 years. With neumanns capsule and telefunkens tube, together they made an incredible microphone that recorded a lot of great music. The neumann model u 47 was the first postwar mic produced by georg neumann gmbh in west berlin. Its pvc membranes unfortunately tended to dry out with age, however, and in 1960 the m7 was superseded by the k49, a capsule with similar acoustical. Neumann u47 fet original 1972 with shock mount and case. The first condenser microphone to offer selectable polar patterns cardioid and omni, the originalu47also featured the famous m7 capsule which had been developed in 1928 by georg neumann.
A phantom powered version of the u47 was introduced in the early the 1970s. Early u47 and u48 mics contained neumanns m7 capsule, in which the brass backplate was covered with a thin pvc. The neumann u 47 fet collectors edition brings back the unmistakable sound of neumanns iconic u 47 fet for the first time in over 45 years. The neumann u47 fet is a limited edition exact reissue of the legendary microphone originally released in the 1960s the neumann u47 fet has long been the goto microphone for countless producers and engineers throughout the decades. The vintage original u47 amplifier circuit for diy, invented in 1947, was the first switchable pattern condenser microphone. It became a bench mark mic in the early fifties, but was expensive at. Isolation transformers with high withstand voltages are required in the igbt gate drive power supplies of motor inverters for xevs. The most common way of supplying power to a tesla coil or resonant transformer is through a spark gap. Therefore, many early u47s bear the telefunken logo. For the new collectors edition u 47 fet, neumann has resumed production of this classic mic, according to the original production documents and schematics.
The u47 fet left may be the industry standard for miking a kick drum, and a wellrespected vocal mic, but with possibly 30 years of highspl recording behind it, a hired models performance could be compromised, especially for vocals. It has a fixed cardioid polar pattern and employs a k 47 capsule and the same head grill and nickel finish as the original u 47 fet, as well as the classic neumann badge on the front of the mic the original u 47 fet was intended to recreate the sound of the. Due to this feature, and the capsule sound derived from its famous tubebased predecessor, the u 47 fet contributed to many legendary recordings of the time. The neuman u47 fet microphone exdisplay has been kept in its case whilst on display. This is the model of neumann u47 microphone with two stands.
Buy neumann u 47 fet collectors edition condenser microphone featuring rerelease of classic fet design, produced from original schematics, k 47 capsule, high spl level handling, lowcut filter at 140 hz, 10 db pad, 6 db output signal reduction. The u 47 created its legendary sound with precision german engineering and the perfect synergy of all the right elements. The du47fet pcb set replicates the original neumann u47 fet circuit in a diyfriendly format. This used neumann u47 fet is an original largediaphragm sideaddress condenser microphone that over the years has earned an excellent reputation for its sound on high spl sound sources such as vocals, kick drums and many more. Neumann describe the u47 fet as a fixedpattern cardioid microphone, although it actually has a distinctly hypercardioid response for all frequencies above about 500hz. Neumanns work on the m49 coincided with a similar invention of the central laboratory of the nordwestdeutscher rundfunk in hamburg. Like the original, the du47fet is a cardioid, solidstate condenser microphone based around the k47m7 capsule. It was designed around a telefunkendeveloped steelcover radio tube, type vf14m. This invention had the front microphone diaphragm that had a fixed bias of 60vdc in the opposite direction to the centre electrode and a back diaphragm that received a capsule bias voltage going from 0vdc to 120vdc, adjusted via a potentiometer. Also, unlike neumann they dont compensate for the inherent 8k boost which invariably makes these mics harsh and sibilant. The neumann u47 is a largediaphragm condenser microphone manufactured by georg neumann gmbh during the years 19491965 the u47 used the m7 capsule originally developed for the cmv 3 microphone neumann bottle. However, im also thinking i should try to get the most out of it and pop it in.
It sounds superb and they is very minimal wear on the metal casing. The u47 fet was conceived in 1969, the driving impetus being that telefunken had. Neumann u 47 fet condenser microphone collectors edition. Sep 23, 2016 neumanns work on the m49 coincided with a similar invention of the central laboratory of the nordwestdeutscher rundfunk in hamburg. This invention had the front microphone diaphragm that had a fixed bias of 60vdc in the opposite direction to the centre electrode and a back diaphragm that received a capsule bias voltage going from 0vdc to. The mic had a transformercoupled output, although the design of transformer differed from the bv8 found in the tube u 47. Multiple interleaved winding sections to ensure best. What is the difference between a fet condenser and a.
To this day, no professional recording studio is complete without a neumann u 87 ai. When the vk14ks ran out, neumann made a retrofit kit using a tiny nuvistor tube and even sold some u47 s new with the nuvistor and called those u47as. The tube u47 is cardoid and omni and the u48 is cardoid and figure 8. A transistorized version of their tube u 47, the u 47 fet features their classic k 47 capsule and boasts a high spl handling, and has historically found itself at home outside of. The microphone comes apart revealing the two original fet boards and the transformer capsule that. Neumann u47 fet large diaphragm condenser microphone kmr audio. Built according to the original production documents and schematics of the classic design, the u 47 fet collectors edition condenser microphone from neumann is a rerelease of this oftencopied microphone. Neumann u47 fet supercardioid condenser microphone. The u67 is a tube amp, the u77 is a non phantom powered very early solid state amp with no transformer, and there are significant differences between the amps of the u87 and the u87ai.
Neumann u47 fet 1 condenser microphone guitar center. Vintage kings ryan mcguire show off the new u47 fet. Like the u 47, the fet model used neumanns k47 capsule, variously referred to as the k 47, k 4749 and k 47fet. Nov 12, 2014 like its tubebased predecessor, the u47 fet utilized the same capsule as the original, but could better handle high sound pressure levels. Nathan followills neumann u47 fet microphone equipboard. April 25, 2003 i added the exchange that occurred between me and stephen temmer, thenpresident of gotham audio, who took great exception to this article. The nominal sensitivity is a very modest 8mvpa, and this can be further reduced in two ways. Reverb is a marketplace bringing together a widespanning community to buy, sell, and discuss all things music gear. The neumann qm 69 was a variant of the sm 69 fet with four separate outputs for each half of the two dual diaphragm capsules. Save neumann u47 to get email alerts and updates on your ebay feed. Most of the chinese clones employ a copy of the neumann k67 capsule which is different than the m7 found in the u47. This is strictly a microphone for use in the recording studio.
Shop cm47fet advanced audio professional microphone online. It is an online store, offers professional recording studio microphone, best microphone for music production, professional microphones for singing and recording. Neumann u47 fet large diaphragm condenser microphone. Much like its tubebased predecessor, the neumann u47 fet is a classic. When the vk14ks ran out, neumann made a retrofit kit using a tiny nuvistor tube and even sold some u47s new with the nuvistor and called those u47as. So i asked the people at blackbird to take the transformer out of one of their 57s and they. Introduced in the late 1940s, the u47 microphones are pressuregradient condenser. Vintage neumann u 47 fet cardioid microphone reverb. The u47 was the result of the pre and postwar work of two companies. I had it dated by neumann, and i can forward the email to you if you wish. F inally it was possible by matching capsule, tube and output transformer in combination with the fully authentic u47 bodymechanics to achieve 100% of the look, feel and the sonic quality of the classic u47. Telefunken u47 fet retrofit miniarticle from recordingengineerproducer magazine, june, 1980 new. Neumann u47 fet original vintage microphone used in. This used neumann u47 fet is an original largediaphragm sideaddress condenser microphone that over the years has earned an excellent reputation for its sound on high spl sound sources such as vocals, kick drums and many more the microphone is in great condition and is a fine example.
Nonmicrophonic vf14 tubes would become hard to find within a few years, leading to changes to the u47 design as well as the introduction of the u47fet, a fet condenser intended to sound the same as its tubecircuit sibling. It has a fixed cardioid polar pattern and employs a k 47 capsule and the same head grill and nickel finish as the original u 47 fet, as well as the classic neumann badge on the front of the mic. In most fet80 microphones the fet impedance converter feeds the output transformer directly, but in the u47 fet and u89, the fet buffer is followed by a further five bipolarjunction transistors, which essentially form a discrete opamp to drive the output transformer. It has become the most revered vocal tube microphone in history, with the aid of a twin 6028408a pentode tube in parralelle, a concept originally developped by oliver archut reducing noise and ouput impedance to give. Ultra cheap u47 clones discussion in recordinglive sound started by pfflam, apr 21. Todays clones employ ge pentode and some old uf 14 from telef. The products in this series successfully combine a shift to high coupling low leakage with a shift to completely automatic winding by employing a new structure that makes automatic winding possible, resulting in isolation transformers that can. Collectors edition solid state large diaphragm microphone built to original specifications. Neumann u47 telefunken u47 the recording engineers. Not just a copy of an old u47 with all its problems, but making u47 to the quality and sound when they were new, 5 5 years ago. The neuman u47 fet microphone is back by popular demand.
The microphone comes apart revealing the two original fet boards and the transformer capsule that will be replaced with the new parts. The u 497 featured a k47 capsule and a sophisticated solid state circuit, similar to that of the u 47 fet, but. The neumann u 47 large diaphragm tube condenser microphone. Using power mosfets to drive resonant transformers. Same large diaphragm capsule as the legendary u 47. The u67 is king but some are dark and no two sound exactly the same. Generally, at the high end, most microphones that draw attention to their fet circuits, are solid state versions of microphones, as opposed to tube versions. For the new collectors edition u47 fet, neumann has resumed production of this classic mic, according to the original production documents and schematics. The u 47 fet reissue from neumann is a faithful recreation of the solidstate version of the u 47 manufactured from 1972 to 1986. Based around the same original neumann k47 dual diaphragm capsule, the u47 fet used a bv8 transformer coupledoutput using a different winding technique. Ive been looking for a vocal mic for a particularly oldtime sounding project something to give some classy warmth. Intended to recapture the sound of the original u 47, enjoyed only limited success.
A lot of electret condenser capsules have a fet built in, then the body of the mic will contain a circuit typically built around bjts to act as a line driver. Neumann u 47 fet collectors edition condenser microphone. There were two models, one being the u47fet, with tuchel din type connector, and the other being the u47fet i, with switchcraft cannon type connector. Neumann u 47 fet original vintage microphone used in very good condition. A fixed gap is used for smaller sizes, while a rotating mechanical commutator is used with the larger sizes. Ive decided i may as well go ahead and rent the real deal a vintage neumann u47.
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