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Grace Design M802
Remote Controlled mic preamplifier, 8-channel, w/optional A/D converter module available

OUR PART #:  M802

Note: Rear panel image shows unit with an optional M802A/D-ADAT module installed.
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Our Price: $5,495.00
List Price: $5,795.00
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Grace Design M802
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Note: Rear panel image shows unit with an optional M802A/D-ADAT module installed.  Please see the Accessory tab for information on how to order the two A/D option modules available for this unit.

Possibly the world’s most evolved mic preamplifier, the m802 delivers functionality and performance which simply doesn’t exist in any other mic amp design.

The core is a high fidelity 8 channel microphone preamplifier designed to be extremely transparent and musical. But that’s just the beginning. The m802 is fully remote controllable. With a full featured stand alone hardware RCU, up to 64 channels (a system of 8 m802’s) can be addressed and controlled seamlessly from up to 1000’ away. All preamplifier functions, including gain, phase, 48V phantom are instantly accessible and adjustable. These settings can then all be stored into preset locations and instantly recalled.

The m802 can also be controlled directly from Digidesign® ProTools|HD® systems, compatible control surfaces and many other MIDI devices. Working with Digidesign®, Grace Design has adapted their control spec to directly address the m802 as an integrated part of a ProTools|HD® system. Additionally, the m802 can be controlled by a wide variety of MIDI mappable devices, making it easily integrated into a wide variety of remote recording situations.

Next, consider the optional 8 channel 24bit/192kHz A/D card option. Developed as the perfect complement to the m802 mic preamplifier design, this converter card provides pristine, musical A/D conversion to rival even the finest stand alone units available. Included is the proprietary unique s-Lock™ dual stage PLL for extremely low intrinsic jitter and rock solid digital performance.

The m802 now includes ribbon mic mode, which shifts the preamplifier’s entire gain range up 10dB, while deactivating 48V phantom power, optimizing input impedance and bypassing the decoupling capacitors.

DPA® 4000 series 130V microphones are widely regarded as some of the finest reference-quality microphones available. Yet, with their unique 130V power requirement, preamplifier options for these mics are quite limited. Grace Design has made the m802 an excellent complement for DPA® microphones by adding a 130V power option, available on a per channel pair basis.

While the m802 works beautifully as a stand alone mic preamplifier, the optional Remote Control Unit (RCU) provides fantastic ergonomics and enhanced system control. This updated RCU now offers dedicated individual channel select switches and a new highly visible blue LED numeric display for channel gain settings. Both the RCU and the m802 now come with a high contrast, neutral backlight LCD.

PREAMPLIFIER FEATURES

  • fast, musical transimpedance amplifier architecturefully balanced, transformeless design
  • flexible digital metering with peak hold and reset
  • controllable from Digidesign® ProTools|HD® systems and compatible control surfaces (and many other MIDI devices)
  • dual high-current outputs (XLR+D-Sub) drive long cable runs and loads down to 50 Ohms
  • fast, efficient Philips I2C serial protocol to control preamplifiers from up to 1000 feet away
  • gain range of -7dB to +63dB in 1.5 dB steps
  • new selectable ribbon mic mode
  • channel group mode (perfect for stereo pairs, subgroups)
  • RCU able to address up to 8 units (64 channels)
  • front panel lockout mode
  • large neutral backlit LCD display
  • 15 User preset memory locations, for saving preamplifier settings (gain, phantom power, phase)
  • 130V phantom power available, per channel pair, for DPA microphones
  • five year transferable warranty on parts and labor


A/D CONVERTER FEATURES

  • Absolute purist A/D converter performance: 24 bit, 44.1kHz – 192kHz sample rates
  • Outputs include 2x8ch AES3 on DB25, 1x8ch AES3-id on 4 BNC connectors (supports double wire mode)
  • Optional ADAT optical output module. Supports s/MUX for 88.2-96kHz sample rates
  • Multiple clock sources: Internal crystal, external word clock and Digidesign™ loop sync
  • wordclock in and out, clock output can be word clock in, recovered word clock or internal ref word clock
  • s-Lock™ dual stage PLL for extremely low jitter without sample rate conversion
  • Ultra pure high performance analog front end
  • Very low distortion conversion: 0.0002% THD+N
  •  Low phase noise, wide lock PLL for external clock. Locks to Fs +/- 8%
  • Extremely low jitter s-Lock™ crystal based PLL
  • 8 channel AES3-id/IEC60958 (S/PDIF) outputs on BNC
  • Single wire and dual wire operation (8 channels on DB25, 4 channels on BNC)
  • All ADC parameters are adjustable from the m802RCU or m802 front panel
  • All data outputs are transformer coupled
  • five year transferable warranty on parts and labor

Specifications:

PREAMPLIFIER
Frequency Response

@ 40dB gain 0.2dB (50ohm source)  15Hz-300kHz
@ 40dB gain 3dB (50ohm source)   4.5Hz-1.0MHz

THD+N
@ 19.6dB gain +20dBu out, 1kHz   <.0007%
@ 40.5dB gain +20dBu out, 1kHz   <.0010%
@ 60.0dB gain +20dBu out, 1kHz   <.0050%

Intermodulation Distortion @ 40dB gain +20dBu out
SMPTE/DIN 1:1 (50Hz, 7kHz)   <.0015%
SMPTE/DIN 4:1 (50Hz, 7kHz)   <.0040%

Noise - Referred to Input
@ 60dB gain, 50 ohm source  -129dB
@ 60dB gain, 150 ohm source  -127dB
@ 60dB gain, 600 ohm source  -123dB

Phase Deviation
100-20KHz @ 40.5dB gain   <3

Crosstalk
Any Channel @ 40.5dB gain 1kHz   -110dB

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

Maximum Output Level
Balanced   +27dBu
Unbalanced   +21dBu

Impedance
Input   4.35k ohms
Output   200 ohms
Minimum load impedance  50 ohms

Weight and Dimensions
m802 preamplifier  
12lbs (5.4kg), 2U rack mount x D10
Remote control unit  
2.3lbs (1kg), H1.6 x W8 x D5.25
power supply  
4lbs (1.8kg), H1.7 x W 8.5 x D8.5

Power Consumption
100/120/230/240V~ 50-60Hz  60 Watts

A/D CONVERTER MODULE (without preamplifier)
Dynamic range
20Hz-20kHz  >115dB
A weighting  >117dB

THD+N
1kHz, -1dBFS, 20Hz-22kHz  < 0.00026% (-112dB)

Frequency response  +/-0.2dB -3dB
44.1kHz Fs  5Hz-21kHz  22kHz
48kHz Fs  5Hz-23kHz  24kHz
88.2kHz Fs  5Hz-41kHz  44kHz
96kHz Fs  5Hz-45kHz  48kHz
176.4kHz Fs  5Hz-54kHz  72.5kHz
192kHz Fs  5Hz-59kHz  79kHz

Full scale input level   +16dB or +24dB (+/-2dB trim)

CMRR
60Hz  >65dB
1kHz  >80dB
10kHz  >60dB
IMD SMPTE 4:1 60Hz, 7kHz, -3dBFS  <100dB (0.0008%)

Interchannel crosstalk  <120dB

Group delay
44.1-48kHz  13/Fs
Sample rates, internal crystal (kHz)  44.1, 48, 88.2, 96, 176.4, 192

External Clock Lock Range
Wide lock mode   40.1kHz-207kHz (+/-8% at each sample rate)
s-Lock mode   +/-250ppm (+350, -400ppm typical)

Intrinsic Jitter, 200Hz-20kHz BW
Wide lock mode  < 60ps RMS
s-Lock mode  < 40ps RMS

Jitter Rejection Corner Frequency
Wide lock mode, -3dB, 12dB/octave   800Hz
s-Lock mode, -3dB, 12dB/octave    10Hz

8 Channel A/D Option Module for M802 (not included) w/8ch AES3 on DB25, WC I/O, and 2x8 ch ADAT/Lightpipe outputs
Grace Design M802A/D-ADAT 8 Channel A/D Option Module for M802 (not included) w/8ch AES3 on DB25, WC I/O, and 2x8 ch ADAT/Lightpipe outputs
Note: Please call for more information on the installation of this A/D converter option for your M802!This converter option module  includes 2 sets of 8 channel AES3 outputs on DB25, Word Clock in and Out, and 2x 8 channel ADAT / ...
Call for info!

8-Channel A/D Option Module for M802 with 8-Channel AES3 Outputs on DB25, WC I/O, 1 Set of AES3-id Outputs on 4 BNC
Grace Design M802A/D-AES 8-Channel A/D Option Module for M802 with 8-Channel AES3 Outputs on DB25, WC I/O, 1 Set of AES3-id Outputs on 4 BNC
The m802 A/D converter card option provides m802 users with state of the art A/D conversion for the most demanding music recording applications. The purpose for this new card is to provide A/D conversion technology capable of matching the ...
Call for info!

Remote Control Unit f/M802 preamp (not included)
Grace Design M802RCU Remote Control Unit f/M802 preamp (not included)
Note: Remote Control unit in image is shown with the M802 preamp it is designed to control.  The M802 preamp is not included with this itemWhile the m802 works beautifully as a stand alone mic preamplifier, the optional Remote Control ...
1,395.00 1,495.00 7

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