Item # 271356 | Customer Ratings: ( 5 Based on 16 reviews)

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Sterling Audio ST55 Large Diaphragm FET Condenser Mic
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A more affordable way to record high-quality audio.

The Sterling Audio ST55 is an FET condenser microphone that employs a large capsule with an ultra-thin 3-micron evaporated gold Mylar diaphragm. The ST55 mic is built with an exclusive process that extends high frequencies and improves details and depth on both vocal and instrument recordings. The FET Class-A electronics provide smooth, warm sound.

Sterling Audio microphones employ several advanced technologies that separate their large-diaphragm condenser mics from the rest of the pack.

One of the more important advancements is their Disk Resonator system. With it, Sterling Audio is uniquely able to compensate for the 14kHz frequency roll-off that is inherent in large diaphragm mics. As any good audio engineer knows, this deficiency translates to a lack of sparkle from high-frequency sound sources.

Other manufacturers have typically solved this problem by cutting other frequencies and then increasing the entire signal to help even out the frequency range. Unfortunately, this results in increased noise.

Disk Resonator Technology incorporates a brass umbrella that protrudes from the center of the diaphragm in Sterling Audio's ST55 microphone. It gently boosts the diaphragm sensitivity to shorter sound waves, allowing it to respond more accurately to those all-important higher frequencies. The result is optimal sensitivity, full frequency response, and a low signal-to-noise ratio.

Another piece of audio wizardry comes in the form of the ultra-thin diaphragm membrane made of Mylar. While most modern condenser diaphragms are 6 to 12 microns in thickness, Sterling Audio, in association with 3M, has produced a highly resilient Mylar that measures a mere 3 microns. This allows the ST55 to deliver an extraordinary degree of sensitivity.
Requires phantom power.

Sterling Audio ST55 Large Diaphragm FET Condenser Mic Features:

  • Disk Resonator design extends high-frequencies naturally
    Large 1-1/4" all-brass capsule, hand-assembled and oven-baked for long-term, stable operation
    Black nickel-plated brass body
    Stainless steel head and grille assembly
    Custom-wound nickel core output transformer
    HM-2 hard mount
    Rugged vinyl zipper case included

Sterling Audio ST55 Large Diaphragm FET Condenser Mic Specifications:

  • Preamp: Class-A FET
    Polar Patterns: Fixed cardioid
    High Pass Filter: Switchable 75Hz, 12dB/octave
    Attenuation Pad: Switchable -10dB
    Frequency Response: 20Hz — 18kHz
    Equivalent Noise: 22dB SPL — A Weighted
    Sensitivity: 32mV/Pa
    Maximum SPL: 134dB-144dB (adjustable w/pad)
    Typical Load Impedance: >500 ohms
    Output Source Impedance: 200 ohms transformer isolated
    Dimensions: 7-1/2" long, 1-4/5" max. dia.
    Weight: 1 lb.

Product Reviews
(Based on 16 reviews)
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  • ST55 Affordable Excellence

    As reviewed by Sidney Starkey (Sid Star) on 1/3/2008

    The ST55 is a top performing microphone at a humble price. I bought a used one during a recent stay in the United States. Out of curiosity, not because I needed another mike. First thing you do when you buy a microphone is unscrew it to ascertain it's Chinese allright. Then of course you set it up and perform a listening/recording test. You decide if you like what you hear when listening to the mike alone and in comparison to other microphones, in (their) various applications. Surprisingly, considering its affordability, the ST55 represents an immediate advance over conventional condenser mics in its price range. It is quiet and clear, while the highs are not overpronounced and in balance with the rather warm midrange and very convincing low end. And it doesn't stop there. I have gone as far as putting it alongside the best multi-purpose microphone I have got, regarded by many the king of condensers, which is my Neumann u47. Leaving the technical differences what they are, the ST55 holds up more than nicely, compared to top-end. I rate it excellent.

    15 of 15 people found this review helpful.
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  • Very Dope Mic!

    As reviewed by Justin Jean on 1/24/2012

    I bought this mic about a week ago and I'm running it through mogami wire into an art tube pre amp. I don't know a whole lot about mics and stuff but I can say that this mic sounds great. I use it for rap done a little singing into it. It has a nice smooth natural sound and has made mixing a THOUSAND times easier for me. Plus its a very sexy mic in person.

    2 of 2 people found this review helpful.
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  • Like Listening to the Future!!

    As reviewed by Lee Louisville on 3/30/2011

    A real good price for home studio. I've owned it for about two years now and no defects recording is crisp even without the studio foaming. If you are looking for really good mic Sterling Audio is the way to go...I just can imagine how the expensive ones sound...Great buy.

    2 of 2 people found this review helpful.
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PO Box 4769
Westlake Village, CA 91359
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