4
m904 FRONTPANEL
main level / edit
headphone level
calibrate
input analog
BAL1 BAL 2 UNBAL CUE
input digital
AES31 AES3 2
S/PDIF
talkback
dim
mute mono spkr select
1
2
TOSLINK/
select
ADAT
mon cue
headphone outputs
power
GRACE DESIGN USA
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OPQ
m904b FRONTPANEL
power
headphone
GRACE DESIGN USA
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m904 KEY FEATURES
Three sets of balanced stereo analog inputs in addition to one unbalanced stereo analog input•
24-bit/192kHz digital stereo inputs – AES3, S/PDIF, ADAT and TOSLINK formats•
s-LockTM PLL (Phase Lock Loop) for ultra-low jitter sample clock regeneration•
Precision main and headphone level controls with a 100dB gain range in 0.5dB steps•
Front panel user interface provides the user with instant feedback of operational parameters in addition to •
immediate access to all controls
Optional remote control unit provides full control function in an elegant, convenient desktop unit•
Multiple speaker set selection – up to three stereo sets•
High current reference headphone amplier built in with two outputs available on the front panel and an •
additional output available on the optional remote control unit
Comprehensive system level calibration (inputs, outputs, inter-channel balance, dim) •
Balanced talkback microphone input with 48V phantom power - Activation switch on front panel and an ad-•
ditional remote talkback external switch control jack on rear panel
Fixed level stereo DAC output for digital to analog transfers•
5 year limited warranty on parts and labor•