Bose FreeSpace Business E4 II Series Service Manual page 8

Sense Mic inputs (continued)
Maximum input level:
THD+N:
Crosstalk at 1 kHz:
Crossalk at 10 kHz:
Frequency response:
Direct Input
Source impedance:
Input impedance
differential:
CMRR referred
to output:
Input sensitivity
for codec FS:
Gain:
Maximum input level:
THD+N:
Crosstalk at 1 kHz:
Crosstalk at 10 kHz:
Frequency response:
Line Outputs
Output impedance:
Maximum output level: +17 dBV
SPECIFICATIONS
Nominal Limits
+10 dBV >/= 7 dBV
-84 dB </= -80 dB
-90 dB </= -80 dB
-70 dB </= -60 dB
20 Hz to +0/-0.5 dB
20 kHz
Nominal Limits
200 Ohms 10 to 2k Ohm frequency response specification maintained
+/> 10kOhms +/-20%
92 dB >/= 60 dB
-20 dBV to +/-1 dB
+17 dBV
0 dB +/-1 dB
+17 dBV >/= +17 dBV THD+N </= 0.3%, 30-20 kHz, 0 dB gain
.001% .01%
-90 dB </= -80 dB
-70 dB </= -60 dB
30 Hz to +0/-0.5 dB
20 kHz
Nominal Limits
200 Ohms +/-1%
>/= +17 dBV 1 kHz, THD less than 0.1%, load 10 k Ohm,
Conditions
THD+N </= 0.3%, 20-20 kHz, 0 dB gain
at +10 dBV output, 1 kHz, 60 dB gain
reference 1 kHz, measured at 60 dB gain and
with 0 dBV output
Conditions
with sources over this range
at 1 kHz
at 1 kHz, 20 dB gain, 200 Ohm source
impedance
at 1 kHz
from input connector to amplifier input stage
at +10 dBV output, 1 kHz, 20 dB gain
reference 1 kHz, measured at 20 dB gain and
with 0 dBV output
Conditions
impedance at 1 kHz, each output
terminal
differential
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