Grace M905 - m905 Technical Specifications; Analog I;O and Phono Module Specifications

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16 Specifications
ANALOG I/O all specications are subject to change
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 +/-3dB 3Hz to 1.25MHz
Unbalanced Input +/-3dB 3Hz to 275kHz
Dynamic Range
20-22kHz bandwidth 118dB
20-22kHz bandwidth and A weighting lter 121dB
Output Noise
20-22kHz bandwidth, at -20dB gain -99dBu
20-22kHz bandwidth and A weighting lter, at -20dB Gain -102dBu
Phase Deviation
20Hz to 20kHz <10 degrees
10Hz to 100kHz < 19 degrees
Crosstalk any channel
100Hz <104dB
1kHz <100dB
20kHz <79dB
Balanced Input CMRR
60Hz >70dB
1kHz >70dB
10kHz >70dB
Gain Range
-104dB to +13dB
Channel Tracking Accuracy
Any channel +/-0.1dB
Maximum Output Level
+26dBu
Maximum Input Level
Balanced inputs +25dBu
Unbalanced inputs +21dBu
Impedances
Balanced inputs 88k Ohms
Unbalanced inputs 53k Ohms
Balanced outputs 300 Ohms
Minimum load impedance 300 Ohms
External Talkback Mic Preamp Gain
+7dB to +70dB in 1dB steps
Optional Phono Preamp Module Gain Setting
40dB 60dB
Gain @1kHz 40dB 60dB
Noise 22Hz-22kHz -90dBu -71dBu
Noise A-weighted -96dBu -76dBu
%THD+N 1kHz, 5mV IN <0.0080%
%THD+N 1kHz, 1mV IN <0.040%
%SMPTE/DIN 4:1 100/2kHz <0.004% <0.03%
Max Input Level 0.1% THD+N 110mV 10mV
Sub Sonic Filter -3dB 12Hz 12Hz
RIAA EQ accuracy ±0.10dB