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HomepageMic PreampsMono Mic-Preamps › Grace Design m101
Grace Design m101

The model 101 is the highly desirable, yet surprisingly affordable single serving of the critically acclaimed Grace Design microphone preamplifier.

It uses the same fast, musical transimpedance amplifier architecture as our venerable models 801 and 201, but is packaged and priced to be within the reach of any recording engineer, musician, or studio.

The model 101 maintains Grace Design pedigree throughout. It employs our fully balanced, transformerless, transimpedance circuit topology and has no electrolytic capacitors in the signal path. With incredible bandwidth, headroom and resolution, the model 101 is remarkably natural, musical and detailed. It is also available with an extended gain range input (20-70dB), designed for gain-hungry ribbon microphones.

The included instrument DI input is designed to accommodate a wide variety of high impedance input sources, making the moldel 101 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. Lackluster sounding instrument pickups become alive with clarity and detail.

To top it off, the model 101 is thoroughly rugged and road worthy, so discerning live performers can use it to achieve studio quality sound with their live performance setups. It is rack mountable in a standard 1U rack tray, and two units happily nest side by side in one rack space.

Equally at home amplifying a vintage condenser mic or an acoustic guitar, the model 101 delivers the kind of high fidelity performance previously available only to big budget recording studios and Grammy winning musicians and engineers. This is hands down the ultimate single channel microphone preamplifier available for under $1,000.
  • fully balanced, transformerless design
  • fast, musical transimpedance amplifier architecture
  • precision 11 position rotary switch gain controls
  • optimized DI instrument input, XLR mic input
  • built in high pass filter switch (75Hz ,12dB per octave)
  • 10dB output trim controls for fine level adjustment
  • 48V phantom power
  • available with an optional extended gain range input for ribbon microphones
  • Grace Design audiophile performance and rugged chassis construction, packaged to be avaialble to any recordist
  • two units can be mounted side by side in a standard 1U rack tray
  • no electrolytic capacitors in the signal path
  • sealed gold contact relays for all signal switching
  • two color, bi-phase LED peak indicator
  • highest quality metal film resistors used throughout
  • five year warranty on parts and labor
  • Specifications
    GAIN RANGE (5dB steps)
    Mic input : 10-65dB
    Hi-Z input : -10-45dB
    Output trim control : 0 to +10dB

    @ 20dB Gain +20dBu out : <0.00085%
    @ 40dB Gain +20dBu out : <0.0010%
    @ 60dB Gain +20dBu out : <0.0050%

    @ 40dB Gain +20dBu out :
    SMPTE/DIN 4:1 7kHz/50Hz : <0.0020

    50 source : <-130dB
    150 source : <-128dB
    600 source : <-124dB

    100Hz : >68dB
    1kHz : >75dB
    10kHz : >65dB

    50Hz-25kHz : <6°

    Mic input @ 40dB Gain -3dB : 4.5Hz-390kHz
    Mic input @ 40dB Gain -0.5dB : 10.5Hz-140kHz
    Hi-Z input @ 20dB Gain -3dB : 2.5Hz-195kHz
    Hi-Z input @ 20dB Gain -0.5dB : 6Hz-74kHz

    Mic input : 8.1k
    Mic input, Ribbon mode : 20k
    Hi-Z input (unbalanced) : 1M
    Hi-Z input (balanced) : 2M
    Balanced Output : 300
    Unbalanced Output : 150

    Green threshold : -14dBu
    Red threshold : +16dBu

    100k Ohm load, 0.1% THD : +25dBu

    2.4 lbs : H1.7" x W8.5" x D9.0"
    1.09 kg : H4.3cm x W21.6cm x D22.8cm

    100-240VAC : 5 Watts Max
    all specifications subject to change without notice.
    Free shipping in Canada. Conditions
    Additional information
    For more information about the m101, please visit the website of Grace Design
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