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Golden Age Premier GA-47

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Pris 17.995,- 15.995,-
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Golden Age Premier GA-47 

 

  • High End, no compromise components and build quality

  • Hand Made in small series, 50 units at a time

  • Capsules selected with very tight tolerances

  • Point-to point wiring, no printed circuit board used

  • Solid wood microphone box, tweed style system flight case

     

     

    The Neumann U-47 microphone is one of the most highly revered and sought after microphones of all times. Being a true classic, the U-47 really needs no further presentation.

     

    Due the high cost and low availability of vintage originals, especially ones in good condition, a number of manufacturers are producing U-47 clones. The selling price of the clones are covering a broad price span, several of them are sold at high price points.

     

    Any manufacturer putting a U-47 clone on the market is bound to get the same question: “Does it sound like a U-47?”

    My take is that this is the wrong question to ask, I would like to rephrase the question to: “Does it offer the classic qualities and advantages that a vintage U-47 in perfect condition do?”

     

    The Neumann U-47 was produced between 1949 and 1965 meaning that the vintage original units are now very old and their performance do differ a lot depending on their condition. The different clones all have their specific sound character too. So, it´s not easy to say which sound is “the right one”. As always, not the least as far as microphones goes, it will ultimately be a matter of taste. 

     

    Does the world need one more U-47 clone? Since we are now presenting the GA-47 microphone as the first product in Golden Age Projects new high end line, changing “Project” to “Premier” for the this product range, the answer is “Yes!”.
     

    After a lot of experimentation and valuable feedback from pro users testing prototype units, we did feel that it was indeed possible to bring something new to the table. 

     

    The Golden Age Premier GA-47 has been born from a lot of hard work and real world testing. The end result is a microphone with a very sweet character that should appeal to a great number of users and a microphone that can be used for the most demanding recording tasks. It has proved itself to be a great allrounder, this is not a “vocal-only” microphone.

     

    The GA-47 is not a product that will be built in huge quantities on a big assembly line. It´s a product that is built by hand, fifty units at a time in a small workshop by a skilled and dedicated staff. 

    It uses very high quality components all the way to achieve the desired goal, allowing me to answer “yes!” to the rephrased question mentioned above.

     

    I believe that the level of quality and dedication that the GA-47 provides normally comes at a very high cost, also in the world of U-47 clones.
    To make it available to many more users, we have decided to sell the GA-47 at a very competitive international price point of 1 500 USD.


    Bo Medin, December 2017

     

     

    GA-47 build info

     

    Mic body and grille

    The mic body is made of brass, the grille is made of iron.

    The grille, which is a critical component affecting the sound character, is similar to the one in the U47. 
     

    Capsule 
    The capsule for the GA-47 is designed to provide the requirements of modern day recordings by mixing the character between a vintage K47 capsule and the one from a K67-style capsule with a wide frequency response and high sensitivity. The result is a truly great sound.

    Being a dual-sided one, it provides the GA-47 with both cardioid and omni polar patterns.

    In order to get a good consistency between units, for each production run of 50 pcs GA-47 units, approximately 200 capsules is evaluated in order to find 50 capsules with specifications that lie within the tight tolerances.


    Specifications: 

    Backplate material: brass

    Capsule diameter: 35mm 

    Membrane diameter: 27mm 

    Membrane material:6 micron gold-coated mylar.

    The capsule is mounted in a special way to minimize the effect from physical vibrations.

    The sensitivity of the front and back side of the capsule do not differ more than 0,3 dB. The sensitivity between different capsules do not differ more than 0,5 dB.
    The tight manufacturing tolerance will lead to a very good consistency between different GA-47 units. 

     

    The capsule is specially designed to complement the electronic circuit of the GA-47 to achieve a frequency response curve with a nice balance between the high, middle and low frequencies. 

     


     

    Tube   

    The GA-47 uses a NOS Telefunken 800 series super low noise pentode tube connected in triode mode in order to decrease distorsion and noise. This tube is modern glass derivative of the VF14M used in the vintage U-47. 

     

    Output transformer  

    The GA-47 transformer is especially designed with a 6.5:1 dual bobbin transformer by a reputed transformer factory. It is a replica of the BV8 transformer used in the vintage U47. It uses a high quality core material.

     

    Capacitors and resistors 

    The coupling capacitor is made in United Kingdom, the brand is Ciarit, the same type used in the famous and very expensive B&W Nautilus loudspeaker. It is an axial capacitor made from MKP material with copper pins.  It has a delicate, full sound and a wide frequency response.

     

    Other used capacitors are MIAL polystyrene film capacitors with very low loss. The resistors are ALLEN BRADLEY carbon film resistors made in the USA with vintage and warm sound.

     

    Mic interior and cabling

    The electronic circuit is mainly built with point-to point wiring and the ground connections are tied together using an insulated soldering.

    Teflon insulated, silver-plated copper wire is used for the internal connections.

     

    Power supply transformer and electrolytic capacitors 

    The vintage style power supply PSU uses a high power R-style transformer with a low noise level and a minimal stray field.
    The electrolytic capacitors are of a high quality audio style type.


    A simple but effective circuit uses dual-stage filtering for the filament voltage. The high voltage is precisely filtered and stabilized using an ON semiconductor zener diode.

     

    Mic cable 

    The cable is specially produced using 99,99% pure oxygen-free copper, teflon insulation, tin foil and 98% kitmesh, ie with a very high braided density of the cable shield. It has a very open and smooth sound. 
    The connectors are gold plated. 

     

    Mic and psu circuit in relation to the original mics 

    The polar pattern switch is located on the power supply allowing for easy sound comparisons.

    The circuit used in the GA-47 is similar to the U-47 but the component values has been adjusted to fit the EF800 tube.

    The circuit used for the power supply is also similar except for adding a zener diode to assure the voltage and current stable.

    The connectors are gold plated. All three connectors are placed on one side to facilitate handling and placement. 

     

     

    Specifications

 

Frequency Response: 20Hz?20KHz
Sensitivity: 12mV/Pa
Rated Impedance: 200 ohms
Equivalent Noise Level: 10dB
Max S.P.L: 140dB

 

The GA-47 is delivered in a tweed-style flight case with power supply, cable, shock mount and a box made of solid wood for the microphone.

More pictures here

 

 

 

 

Incredible Testimony

 

Statement by George Murphy, head engineer at Eastcote Studios in London, about the new GA-47.

 

“My previous experiences with U47’s have of course always been amazingly positive. It’s one of my favourite microphones, whenever I work in any studio that has them, I’ll always have as many of them as they have out on the floor, ready to go.

 

They’re such a universal mic, it’s tough to record anything badly with one. I was very excited to be given this microphone to try out from Golden Age, and I’ve incorporated it into every session I’ve done since I’ve had it. 

 

The first time I got it out, I was working with a female vocalist I’d never worked with before. Usually there’s routine for a new singer – we’ll put up a few different mics and have a little shoot out and see what sounds best. The first one we tried was the Golden Age 47 and that was the end of the test. Everybody in the room was happy; it sounded incredible. We got the singer in, had her have a listen back to it and you know, we couldn’t ask for anything more from the sound, straight away that was a good sign.

 

Since I’ve had the GA-47 in the studio it’s been on every session. I’ve tried it on so many different things just to stretch it and see what it’s good at. I haven’t found a source that it’s bad at so far, and it’s been pretty varied - as a drum overhead it shines, the top end on it is perfect for that, it’s not too hyped so it doesn’t make anything sound harsh but the transient response is gorgeous. Guitar amps have been beautiful and clear through it, and vocals have sounded incredible. It’s an all-rounder certainly.

 

The thing I like the most about the sound of this 47 is it’s real to me, it sounds real. It’s a little bit flattering but not in a way that removes you from the source at all, it just sounds like a beautifully clear picture of everything you want to hear. I’ve tried a few other emulations and modern tube mics and they tend to have this kind of hyped top-end or overly reinforced low-end to try and make something sound more widescreen, but if you’re recording a good source you want the mic just to do it justice and not to mess with it too much then the GA-47 does that fantastically.”


Les mer: http://www.goldenagepremier.com