MPN #m101    

$1155.00

Économisez 8.3%, Prix suggéré $1260.00
Financement disponible

1-channel Microphone/Instrument Preamp with Balanced, Unbalanced and Instrument Inputs



Maintaining Grace Design pedigree throughout, the m101 employs our balanced, transformerless, transimpedance circuit topology. With incredible bandwidth and headroom, the m101 is natural, musical and detailed, allowing engineers and musicians to consistently record vibrant, amazing tracks.

The m101 is equipped with our new universal switching power supply, which is dead quiet and accepts input voltages from 100 to 240VAC. The front panel is a tough black anodized / laser etched black, which ensures legibility and usability in varying light conditions. And all preamp functions have a dedicated indicator LED, including the 48V phantom power and HPF switch.

Built in as standard is our unique Ribbon Mic Mode, which bypasses the input decoupling capacitorss, raises the input impedance from 8.1k? to 20k?, and defeats the 48V phantom power, preventing damage to delicate ribbon mic elements. Ribbon mics, you?re welcome.

The gain range is 10-75dB, including the additional +10dB of gain available with the output trim control. This provides ample gain for use of any type of microphone in any recording situation. The gain control is a precision gold plated 12 position switch and the circuit path is built with 0.5% metal film resistors.

Included is a HI-Z input on the front panel. Rear panel I/O options include both balanced TRS and unbalanced TS 1/4? outputs, along with the standard XLR balanced out and XLR microphone in.

Equally at home amplifying a vintage condenser mic or a plugged-in acoustic guitar, the m101 delivers the kind of high fidelity performance previously available only to big budget recording studios and Grammy winning musicians. Add it all up while considering that the price is unmatched and the picture becomes pretty clear " the m101 is one little hot rod piece of pro audio gear for the masses.
  • 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
  • GAIN RANGE (5dB steps)
    Mic input : 10-65dB
    Hi-Z input : -10-45dB
    Output trim control : 0 to +10dB

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

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

    NOISE - REFERRED TO INPUT
    50 source : <-130dB
    150 source : <-128dB
    600 source : <-124dB

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

    PHASE DEVIATION (HPF off)
    50Hz-25kHz : <6°

    FREQUENCY RESPONSE
    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

    IMPEDANCE
    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

    PEAK LED METER
    Green threshold : -14dBu
    Red threshold : +16dBu

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

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

    POWER CONSUMPTION
    100-240VAC : 5 Watts Max
    all specifications subject to change without notice.
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