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Grace Design m905 Analog Reference Monitor Controller  From Grace

This is the world's finest stereo monitor controller. For hardworking audio professionals and studios that demand the very best playback available.

Grace Design


Retail:  $3,495.00

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Manufacturer's Description from Grace

The m905 Analog is now available without the built in DAC. This system is offered for users who already have an investment in DACs, whether stand-alone or built into their interface. System configuration is exactly the same, with all the same great monitoring features, except no digital inputs and an second pair of balanced analog inputs. The m905 Analog brings this world class performance into reach of almost any engineer or recording studio. Also, users can always upgrade their m905 Analog to the Digital version at anytime. NOTE: the analog only version incudes a simplified remote cable that does not carry headphone signal to the RCU. To enable the headphone output on the RCU, ask your dealer to upgrade to the premium remote cable.

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.



THD+N at Maximum Volume, 1kHz, 22Hz-22kHz BW
+20dBu out<0.0008%
+10dBu out<0.0008%
0dBu out<0.002%
Intermodulation Distortion SMTPE/DIN 4:1 50Hz, 7kHz
@+20dBu out<0.002%
@ 0dBu out<0.0015%
Frequency Response
Balanced Inputs +/-3dB3Hz to 1.25MHz
Unbalanced Input +/-3dB3Hz to 275kHz
Dynamic Range
20-22kHz bandwidth118dB
20-22kHz bandwidth and A weighting filter121dB
Output Noise
20-22kHz bandwidth, at -20dB gain-99dBu
20-22kHz bandwidth and A weighting filter, at -20dB Gain-102dBu
Phase Deviation
20Hz to 20kHz<10 degrees
10Hz to 100kHz< 19 degrees
Crosstalk any channel
Balanced Input CMRR
Gain Range-104dB to +13dB
Channel Tracking Accuracy
Any channel+/-0.1dB
Maximum Output Level+26dBu
Maximum Input Level
Balanced inputs+29dBu
Unbalanced inputs+21dBu
Balanced inputs88k Ohms
Unbalanced inputs53k Ohms
Balanced outputs300 Ohms
Minimum load impedance300 Ohms
External Talkback Mic Preamp Gain+7dB to +70dB in 1dB steps
Power consumption60W
Input Voltage 50-60Hz100VAC – 240VAC
Main chassis IEC 2U3.5" x 10.5" x 17"
Remote control unit8.9" x 5.1" x 2.2"
Main chassis7.8lbs
Remote control unit2.2lbs