Support

Product Manuals
m101

Owner's manual Rev A

m102

Owner's manual Rev A

m103

Owner's manual Rev A

m108

Owners Manual Rev D

m108 Control Software Manual

m501

Owner's manual Rev A / epub

m502

Owner's manual Rev A

m801

Owner's manual Rev B

m201 Owner's manual Rev G (with A/D module option)
m802

Owner's manual Rev I (includes RS485/RS422 Serial Port Information)

Owners Manual Dante Addendum

RS485/RS422 Serial Port Information

NOTE- Earlier versions of the model 801 and model 201 manuals depicted the positions of the XLR pins incorrectly in some of the cable termination diagrams. While the pin numbers are correct, these diagrams can be confusing. Please download the current version of the appropriate manual for your preamplifier.

Lunatec V3

Owner's manual Rev E

Digital output polarity issue information (unit serial# V3001-V3496)

Voltage calibration procedure

DC input pin adjustment proceedure

Lunatec V3 firmware update form

m905

Owner's manual Rev E

Owner's manual Rev C / Deutsch

m906

Owner's Manual Rev H

m920

Owner's manual Rev B

m920 quick setup guide

m900

Owner's Manual Rev A

Setup Menu Quick Guide

m9XX

Owner's Manual Rev E

spacebar stereo

Owner's manual Rev B

spacebar modular

Owner's manual Rev B

FELiX

Owner's manual Rev C

Connection Guide

Quick Guide

Block Diagram

ALiX

 

Owner's manual Rev C

Connection Guide

BiX

Owner's manual Rev B
Drivers and Software

Important USB Driver information for Windows 10 Anniversary users

m108

USB 2 Windows 10 signed audio driver v4.0

USB 2 Windows audio driver v3.34.0

Remote Control Software MAC v1.1

Remote Control Software Windows v1.1

m905

USB 2 Windows 10 signed audio driver v4.0

USB 2 Windows audio driver for windows v3.34.0

m920

m920 Windows USB Audio Class 2 Driver v3.20.0

m900 / m9XX

XMOS Stereo USB Audio Class2 Driver v4.11.0 (Windows 10 Compatible)

XMOS Stereo USB Audio Class2 Driver v3.20.0

m903

Windows USB Audio Class 2 Driver (for sampling rates above 96kHz) v1.26s

Firmware updates

MAC OS X DFU app

 

Grace Design USB Firmware Updater OSX v1_0.zip

for the following products: m900/m9xx, m920, m905 and m108

not yet compatible with OS X Sierra

m108

 

m108 System Firmware v1.04 (05/05/2017)

Windows DFU application for m108 and m905

m905

m905 system firmware version 1.17 (06/02/2017)
(ACU v1.17 / RCU v1.16 / XMOS v1.16)

m905 firmware release notes

Windows DFU application for m108 and m905

Mac (10.8 and above) USB DFU v1.0

m900 / m9XX

m900 / m9XX firmware v 2.2

m9XX firmware v 2.01

m9XX firmaware Instructions and Release Notes

m920

m920 system firmware version 1.4 (09/02/2016)

m920 system firmware version 1.3 (12/28/2014)
m920 firmware v 1.3 disables decoding and playback of DSD over PCM 'DoP' received via the m920 AES3 and S/PDIF. For 'DoP' operation, instal firmware version 1.2

m920 system firmware version 1.2 (9/29/2104)

m920 firmware release notes

Mac (10.8 and above) USB DFU v1.0

m904

m904 firmware update (main unit v1.04 / remote unit v1.05)

m906

m906 firmware update (main unit v1.08 / remote unit v1.07)

m802

m802 system Firmware (m802 preamp v5.1 / RCU v6.0)
released 8/22/2016. zip file contains the firmware, the firmware upgrader programs and all the necessary documentation to properly ugrade the firmware in your m802 unit.

m802 system firmware update (preamp v2.2 / remote unit v2.0)
zip file contains the firmware, the firmware upgrader programs and all the necessary documentation to properly ugrade the firmware in your m802 unit.

Discontinued Products
m904 / m904b

Owners Manual Rev H

m903

Owners Manual Rev A

m903 quick setup guide

m902

Owners Manual Rev G

model 101

Owner's manual Rev C

model 201

Owners manual Rev C

model 901

Owner's Manual Rev A

model 801

Owner's manual Rev C

Lunatec V2

Owner's manual 172k

Voltage calibration procedure

Voltage calibration procedure html

AC adaptor operation issues

model 801R

Owner's manual Rev A(For Software version 1.3)

Owner's manual Rev B (For software version 1.4)

Software upgrade instructions

Software upgrade instructions

RCU serial cable diagram 
These dowloads are .zip files which contain the firmware, the firmware upgrader programs and all the necessary documentation to properly ugrade the firmware in your unit. Both the m904 and m906 require two seperate firmware upgrades: one for the control firmware (RCU or m904 frontpanel controls) and onefor the mainframe processor firmware. The m905 has 3 firmware upgrades - the RCU, ACU and the XMOS processor

Note: please contact your local dealer or us directly (1-303-443-7454) to request the necessary WA059 PC interface upgrade cable. There is no charge to for this item, but you must have it to upgrade your m904 or m906. The m905 has USB upgrader ports on both the main chassis (ACU) and the remote control (RCU).

General Documents

EC Declaration of conformity model 801

Grace Design Design Philosophy

Grace Design m802 A/D technology