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HomepageMic PreampsDual Mic-Preamps › Grace Design m201
Grace Design m201

The Grace Design m201 is a 2-channel microphone preamplifier, delivering unmatched audio performance with massive headroom, ultra-wide bandwidth and a very open, musical character

The signal path has been hot-rodded to be fully balanced from start to finish, resulting in a wider dynamic range, while new high-current output drivers enable even longer cable runs without signal loss. This means the m201 can translate a sonic picture of astonishing clarity and detail, which serves to capture the essential character of the music being recorded.

We offer the m201 with our state of the art 24-bit/192kHz A/D converter option, from the factory or as a retrofit to existing units. With the A/D converter module installed, the microphone preamplifier section or the M+S matrix can be routed to the A/D converter input directly for standard recording applications. Or, with the additional analog line inputs on the A/D converter module, the mic preamplifier and A/D converter sections can be used separately, which allows for external processing to be inserted between the mic amp and the A/D converter. External synchronization to word clock or Digidesign LoopSync is available, and features our proprietary dual stage PPL with s-Lock for extremely low jitter and rock solid digital stability without the use of sample rate conversion.

Our exclusive ribbon mic mode is standard, which shifts the gain range up 10dB while deactivating 48V phantom power, bypassing the decoupling capacitors and optimizing the input impedance. Each channel has an 'input mode' rotary switch which selects between a standard 48V phantom input, ribbon mic mode or the front panel DI input.

Included is our newly designed M+S (mid side) decoder circuitry with a built-in width control. The front panel width control is wired with a precision 12 position rotary switch which provides a ratio range from 100% mid (mono) to 30% mid / 70% side. The ultra-precision summing and difference amplifiers feed a set of dedicated outputs, allowing simultaneous recording of discrete mid+side signals as well as the stereo matrix.

The new front panel mounted HI-Z inputs are designed to accommodate a wide variety of high impedance input sources, making the m201 an excellent choice as a DI box which will flawlessly preserve the sound of any plugged-in instrument. Imagine the same resolution and detail as our microphone preamplifiers available for DI recording situations.

Whatever the application, the remarkable sonic performance and functionality of the new m201 will help you make the finest recordings of your career.
  • fully balanced, transformerless design
  • dual parallel XLR outputs for each channel
  • ribbon mic mode
  • front panel DI / instrument inputs
  • built in M+S decoder with dedicated outputs and front panel width control
  • precision 24 position gold contact rotary switch gain controls
  • new, higher current outputs drive even longer cable runs
  • no electrolytic capacitors in the signal path
  • sealed gold contact relays for all signal switching
  • 5large two color, bi-phase LED peak indicator
  • regulated linear power supply with custom wound toroidal transformer
  • highest quality components used throughout
  • Analog to Digital Conversion not included, option available
  • Specifications
    Frequency Response
    @ 40dB gain 0.2dB (50 source) : 18Hz-65kHz
    @ 40dB gain 3dB (50 source) : 4.5Hz-350kHz

    @ 20dB gain +25dBu out, 1kHz : <.0008%
    @ 40dB gain +25dBu out, 1kHz : <.0009%
    @ 60dB gain +25dBu out, 1kHz : <.0070%

    Intermodulation Distortion
    @ 40dB gain +25dBu out :
    SMPTE/DIN 1:1 (50Hz, 7kHz) : <.0020%
    SMPTE/DIN 4:1 (50Hz, 7kHz) : <.0030%

    Noise - Referred to Input
    @ 60dB gain 50 source : -130dB
    @ 60dB gain 150 source : -127dB
    @ 60dB gain 600 source : -123dB

    Phase Deviation
    100Hz-20kHz @40dB gain : <3

    Any Channel @ 40dB gain 1kHz : -125dB
    Any Channel @ 40dB gain 10kHz : -115dB

    @ 60dB gain, 3.5Vcm, 1kHz : >70dB
    @ 60dB gain, 3.5Vcm, 10kHz : >70dB

    Maximum Output Level
    1kHz, 100K load : +28dBu

    Input : 8100
    Input, ribbon mode : 20k
    Output : 190

    Peak Led Meter
    Green threshold : -14dBu
    Red threshold : +16dBu

    Weight and Dimensions
    2U, 19 rack mount x 10 deep 16.5lbs (7.5kg)
    Free shipping in Canada. Conditions
    Additional information
    For more information about the m201, please visit the website of Grace Design
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