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ANALOG INPUTS The 901 provides both balanced and unbalanced inputs. Input
connections are made using the female XLR connector on the rear panel. These
connectors are wired with pin 2 positive, pin 3 negative and pin 1 ground. The unbalanced
phono type jacks are wired in parallel with pin 2 of the XLR balanced jacks. Connecting
unbalanced and balanced signals simultaneously is not recommended.
Model 901 Specifications
GAIN
Normal Mode
Boost Mode
FREQUENCY RESPONSE
@ 0dBu out +/- .25dB
@ 0dBu out +/- .5dB
@ 0dBu out +/-3dB
MAXIMUM OUTPUT LEVEL
@ 1kHz, 50 Ohm load
INPUT IMPEDANCE
40K Ohms balanced
20K Ohms unbalanced
OUTPUT IMPEDANCE
5 Ohms
DYNAMIC RANGE
@ 0dB gain, 50 Ohm load
@ -10dB gain, 50 Ohm load
CMRR
3.5Vrms in, 10dB gain
DISTORTION
THD+N
10dB gain, +10dBu out, 50 Ohm load
SMPTE
4:1 10dB gain, +10dBu out, 50 Ohm load
ATTENUATOR CHANNEL MATCHING
D\A SPECIFICATIONS
Input sample rate
Input word length
THD+N
44.1kHz, 24bit, 1kHz, +20dBu out
-
to +10dB
-
to +20dB
22Hz - 120kHz
12Hz - 260kHz
4Hz - 600kHz
+23dBu (10.9Vrms, 30.8V p-p)
116dB
121dB
>75dB
0.0051%
<0.012%
<0.05dB
44.1, 48, 88.2, 96kHz
16 to 24 bits
0.0016%
5
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