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  • GOL-GA47

    Golden Age Premium GA-47 Large Diaphragm Tube Condenser Microphone

    The Golden Age Premium GA-47 is a large diaphragm tube condenser studio microphone, designed to be a replica of the infamous Neumann U-47. Includes power supply, shock-mount, cables and case. Check out the video below, to hear just how close it comes!

      • Golden Age Premium GA-47 PRODUCT FEATURES:

        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.

        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.

        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.

        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.

        Feature Summary:
        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 with silver-plated wires, no printed circuit board used
        All soldering points made with Mudorf Msolder Supreme SilverGold solder (Sn88, 6Cu, 1,8Ag, 9,5Au
        Solid wood microphone box, tweed style system flight case. Every mic, box and psu has a badge with the serial number.
      • Golden Age Premium GA-47 TECHNICAL SPECIFICATIONS:

        Backplate material: brass
        Capsule diameter: 35mm
        Membrane diameter: 27mm
        Membrane material:6 micron gold-coated mylar.
        The capsule is mounted on a 7 mm thick aluminium plate 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.
    Need more info on the Golden Age Premium GA-47?