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Grace Design m201 mk2 High Fidelity Microphone Preamplifier Demo/Open Box  From Grace

Two pristine channels of massive headroom, ultra-wide bandwidth and a very open, musical character!

Grace Design

Manufacturer's Description from Grace

Like the updated m801mk2, our freshly redesigned m201mk2 provides a full serving of our unique brand of audio performance. It delivers massive headroom, ultra-wide bandwidth and a very open, musical character.


The fully balanced signal path has been refined, resulting in incredible dynamic range. A new power supply design provides the lowest noise performance we have ever achieved. This all means the new m201mk2 will translate a sonic picture of astonishing clarity and detail, which captures the essential character of the music being recorded.


Changes over the previous design find the m201mk2 more essential and a bit more paired down. We have eliminated the A/D option as this is functionality is now best served buy our current m108 8 channel mic preamp A/D. We have eliminated the M+S matrix and a few other functions to really focused on making the finest, purist style 2 channel mic preamp we can.


These refinements also serve to bring the price down to where even more recording engineers can now afford Grace Design flagship mic preamp performance.


The m201mk2 will bring out the very best in your entire microphone collection. Your favorite large diaphragm mics will sound like they were intended, with detail and texture in extra measure. Your humble dynamics mics will come alive with newfound dynamics and clarity.


Ribbons mics will perform their best with our exclusive ribbon mic mode, which shifts the gain range up 10dB while deactivating 48V phantom power, bypassing the decoupling capacitors and optimizing the input impedance.


The m201mk2 is available to purchase at Grace Design dealers and is proudly covered by our 20 year EON transferable warranty.



Grace Design

About Manufacturer

Audio engineer/designer Michael Grace originally began building single order custom audio products for a small, devout following of recording engineers and artists is 1990. Before long, the word had spread about Michael's custom microphone preamplifier designs, which were said to outperform anything else that was commercially available. Based on an increasing demand for his mic preamp design, in 1994 Grace Design was founded and began production of the original 801 mic preamp. Not only did the 801 provide a new level of audio performance and functionality, it helped to establish outboard microphone preamplifiers and direct-to-tape recording as a new standard in professional audio production. Over the years, Grace Design has maintained a steady, methodical pace to developing new products and technologies. Our product line has evolved into a definitive collection of microphone preamplifier configurations and other unique professional audio products. While the professional audio industry is inundated with products seemingly designed for obsolescence, we pride ourselves on providing audio professionals with the finest tools imaginable. Located in Boulder, Colorado, Grace Design continues its mission into the new millennium. As our company grows, we continually strive to improve our production methods to make sure theya re exact, efficient and environmentally sound. Their employees are treated like family and they strive to improve our production mehods to make sure they are exact, efficient and environmentally sound. Our employees are treated like our family and we strive to maintain our business relationships as friendships. And above all, we remain driven by the original passion that founded the company- the love of music.



@ 20dB gain ± 3dB 150Ω source3.2Hz-530kHz

@ 20dB gain ± 0.2dB 150Ω source14.8Hz-109kHz

@ 40dB gain ± 3dB 150Ω source3.2Hz-500kHz

@ 40dB gain ± 0.2dB 150Ω source15.4Hz-103kHz


@ 20dB gain +20dBu out, 1kHz<.0008%

@ 40dB gain +20dBu out, 1kHz<.0009%

@ 60dB gain +20dBu out, 1kHz<.0070%


SMPTE/DIN 1:1 (50Hz, 7kHz): <.0007%

SMPTE/DIN 4:1 (50Hz, 7kHz): <.009%


@60dB gain 50Ω source 22-22kHz-130dB

@60dB gain 50Ω source A weighting-133dB

@60dB gain 150Ω source 22-22kHz-127dB

@60dB gain 150Ω source A weighting-127.5dB

@40dB gain 50Ω source 22-22kHz-127dB

@40dB gain 50Ω source A weighting-130dB

@40dB gain 150Ω source 22-22kHz-125dB

@40dB gain 150Ω source A weighting-128dB

@20dB gain 50Ω source 22-22kHz-117dB

@20dB gain 50Ω source A weighting-120dB

@20dB gain 150Ω source 22-22kHz-117dB

@20dB gain 150Ω source A weighting-119dB


Default Mode18-64dB, 2dB steps

Ribbon Mode28-74dB, 2dB steps


CH1-CH2 Over full gain range<0.10dB


@40dB gain 40Ω source 75Hz-45kHz<3°


Any Channel @40dB gain 1kHz-140dB

Any Channel @40dB gain 10kHz-130dB


@60dB gain, 3.5Vcm, 1KHz>85dB

@60dB gain, 3.5Vcm, 10KHz>75dB


Voltage +48V +/- 1.0V

6.8kΩ resistor match tolerance: +/- 0.1%


1kHz, 100KΩ load: +28dBu


Green Threshold: -16dBu Out

Red Threshold: +16dBu Out


Input Nominal: 8100Ω

Input Ribbon Mode: 20KΩ

Input Pad Engaged: 1.3KΩ

Output: 150Ω


Weight: 4.6lbs (2.1kg)

Height: 1.7” (43mm)

Width: 19” (483mm)

Depth: 10.8” (274mm)



100-240 VAC 50/60Hz 10 Watts max

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