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TELEFUNKEN Elektroakustik U48 Stereo Set

Matched pairing of one of George Martin's favorite microphones when recording The Beatles - an excellent tool for recording vocals and acoustic instruments, both near and far

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Telefunken Elektroakustik
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Our Price: $15,995.00

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Additional Information
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  • Product Description

    The TELEFUNKEN Elektroakustik U48 Stereo Set is a matched pairing of two of the famous U48 tube condenser microphones. The largest difference between the modern versions and what was available in 1958 is that the sets from 1958 were not "matched." Now they are! Each component is matched for sonic characteristics. The M7 capsules are hand selected and tested for consistent behavior in TELEFUNKEN's Connecticut laboratory, along with matched custom BV8 output transformers, VF14K tubes as well as the more mundane resistors and capacitors. Additionally, a special serial number group has been created for the modern version of the "Studio Set" making these a very rare set of birds which are not only unbelievably useful, but also rare and collectible.

    10 years after the development of the ubiquitous U47, the U48 was released with one variation to the U47; it had "bidirectional" (figure 8) capability. The bidirectional capability can be very useful in more "ambient" recording environments where the engineer recording the sound does not want to hear as much of the room ambience as might be recorded with an omnidirectional or cardioid pick-up pattern.

    According to the book Recording The Beatles, the U48 was one of George Martin's favorite microphones when actually "recording The Beatles." Utilizing the same M7 capsule, BV8 output transformer and VF14K vacuum tube as TELEFUNKEN's historic reissue of the U47, the U48s authoritative mid-range and extended low-end response make the microphone an excellent tool for recording vocals and acoustic instruments, both near and far.

    A microphone's capsule is often made of two sides. The front diaphragm will produce a cardioid response, as will the rear. When the two diaphragms are polarized in the same polarity, an "omnidirectional" effect is achieved. When they are polarized in opposite polarity a bidirectional or figure 8 pattern is created. This is not an acoustic pattern creation; it is an electronic pattern creation. All microphone capsules are omnidirectional in the low frequency regions of their response. As you climb the frequency spectrum the capsule will have a more directional response. When you have two identical diaphragms with identical voltage to those diaphragms you will have a smooth "omnidirectional" response. When those voltages are reversed, an electronic cancellation of common information is achieved; the result is two "lobes," one on the front of the microphone and one on the rear of the microphone, with full frequency cancellation through the frequency range achieved through electronic cancellation. While the capsule head assembly from a U47 can be fitted to a U48 amplifier, the same does not work in reverse.

    Each U48 microphone comes complete with M940 power supply, M840 25' dual-shielded ACX-7 tube microphone cable, M740 elastic shock mount, FC40 locking flight case and WB40 wooden microphone box.

  • Additional Information

    Condition New
    Package Contents Includes M940 power supply, M840 25' dual-shielded ACX-7 tube microphone cable, M740 elastic shock mount, FC40 locking flight case and WB40 wooden microphone box
    Length 240 mm
    Diameter 60 mm
    Unit Weight 620 g
    Transducer Type Condenser
    Polar Pattern Cardioid, Bi-Directional / Figure-Eight
    Number of Microphones Stereo Pair
    Frequency Range 20 Hz - 20 kHz
    Sensitivity 24.5 mV/Pa, ± 1 dB
    Max. SPL 127 dB
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