Bose FreeSpace 4400 Service Manual page 9

Line Outputs (continued)
CMRR referred
to output:
Output noise:
THD+N:
Crosstalk at 1 kHz:
Crosstalk at 10 kHz:
Frequency response:
Turn on/off pop:
Music on Hold (MOH)
Output impedance:
Maximum output level: +17 dBV
Output noise:
THD+N:
Crosstalk at 1 kHz:
Crosstalk at 10 kHz:
Frequency response:
Turn on/off pop:
SPECIFICATIONS
Nominal Limits
92 dB >/= 60 dB
-90 dBV </= -85 dBV
.001% .01%
-90 dB </= -80 dB
-70 dB </= -60 dB
30 Hz to +0/-1.0 dB
20 kHz
10 mV peak </= 50 mVpk As monitored by a listener, must be inaudible at
Nominal Limits
400 Ohms +/-1%
>/= +17 dBV 1 kHz, THD less than 0.1%, load 10k Ohm,
-90 dBV </= -85 dBV
.001% .01%
-90 dB </= -80 dB
-70 dB </= -60 dB
20 Hz to +0/-1.0 dB
15 kHz
10 mV peak </= 50 mVpk As monitored by a listener, must be inaudible at
Conditions
At 1 kHz, 20 dB gain, 200 Ohm source
impedance
A-weighted, set for 0 dB gain
At +10 dBV output, 1 kHz, 20 dB gain
Set for 0 dB gain, no limiting, terminate the
unused input with a 50 Ohm resistor
Reference 1 kHz, measured at 20 dB gain and
with 0 dBV output
full gain using a Model 32 loudspeaker tapped
at 32W, with the unit set for no EQ and the
loudspeaker 3 feet from listener
Conditions
Impedance at 1 kHz
differential
A-weighted, set for 0 dB gain
At +17 dBV output, 1 kHz, 0 dB gain
Set for 0 dB gain, no limiting, terminate the
unused input with a 50 Ohm resistor
Reference 1 kHz, measured at 0 dB gain and
with 0 dB output
full gain using a Model 32 loudspeaker tapped
at 32W, with the unit set for no EQ and the
loudspeaker 3 feet from listener
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