Ocean Audio

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500 Mic Pre one

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500 Mic Pre one

Transformer balanced Mic / Line Preamp module in the 500-series format.

"Given the quality of both sound and construction, all these modules are a steal at the asking price — especially when you consider that Ocean Audio's products are hand-crafted in the UK. Just as I'd anticipated, both the Mic Pre and the EQ modules have proven themselves to be really versatile and useful tools over the few months that I've had the opportunity to test them."
Sound on Sound magazine - July 2013

Note: this product is no longer manufactured and no longer available



    The 500 MicPre one is a Mic / Line Preamp module, with custom transformers on both input and output.
    It has a huge gain range from -10 dB to 60 dB.
    The separate Hi-Z input on the front panel allows you to directly plug-in a guitar or keyboard, and / or use this unit as a DI-box.
    Phantom Power and Phase Reverse switch are pretty standard on most Preamps, but this unit also has a 30 to 300 Hz sweepable hi-pass filter.
    More details on the 500 MicPre one :
    * Mic / Line Preamp module
    * Custom transformers on both Input and Output
    * Gain Range from -10 dB to 60 dB
    * Separate Hi-Z input (on front panel) with gain control
    * 30 to 300 Hz sweep hi-pass filter
    * Phantom Power switch
    * Phase Reverse switch
    * Fits any 500-series rack or console
    * Designed by Malcolm Toft
    * Hand-crafted and hand-wired by Ocean Audio in the UK

    While the standard versions are with black faceplate and knobs, we also produced a Limited Edition Series with grey faceplate.
    Only 100 of the Limited Series were produced, each of them was personally signed by Malcolm.

    Technical Specifications

    Mic input impedance : 1.2K ohms transformer balanced
    Hi-Z / Line input impedance : 1M ohm unbalanced
    Output Impedance : 600 ohms transformer balanced
    Frequency Response : ± 1dB 20Hz to 20kHz
    Maximum Output level : +21dBm
    Distortion (mic) : <0.1% at +20dBm 1 kHz
    Noise (mic) : >-126dBm E.I.N 20Hz to 20kHz
    Power requirements : ± 16V DC 30mA approx.

    Click image to enlarge
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    500 MicPre one

    Manual

    Click image to download file
    PDF file - 369 Kb
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    October 2014 - Audioforo from Spain reviews our MicPre one and EQ one (Limited Edition)

    You can find the review here.
    Note that the review and site are in Spanish.

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    July 2013 - Sound on Sound review of the Ocean Audio 500 series modules

    Sound on Sound magazine published a great review of our 500 series modules.

    Sound on Sound's Conclusion:
    Given the quality of both sound and construction, all these modules are a steal at the asking price — especially when you consider that Ocean Audio's products are hand-crafted in the UK. Just as I'd anticipated, both the Mic Pre and the EQ modules have proven themselves to be really versatile and useful tools over the few months that I've had the opportunity to test them. The mixing/summing system, though, is something that's rather more special. It opens up a whole new world of possibilities in the 500-series format, and enables you to build and expand a high-quality mixing system in a piecemeal fashion.
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    Review of the Ocean Audio 500 series modules

    Bonedo magazine published a great review of our 500 series modules.
    (it's in German, but using Google translate may help)

    Special thanks to Hannes Bieger, for the great job, and for the pictures of our products.
    Hannes also writes for Sound on Sound, so we look forward to seeing the publication of this review in SOS.

    You may want to check out Hannes website.