10
Power Amplifier
Nominal
Limits
Conditions
Power bandwidth:
30 Hz to
1% THD
Loaded at 25 Ohms
20 kHz
Frequency response:
30 Hz to
+/-3 dB
Output voltage of 10 Vrms over a load
20 kHz
impedance of 12.5 Ohms to 1000 Ohms
THD+N at 70.7 Vrms,
.05%
.1%
30 Hz to 20 kHz, 25 Ohm load, A weighted
200W:
THD+N at 70.7 Vrms,
.5%
1%
7 kHz, 12.5 Ohm load, A weighted
400W:
THD+N at 100 Vrms,
.05%
.1%
30 Hz to 20 kHz, 25 Ohm load, A weighted
200W:
THD+N at 100 Vrms,
.5%
1%
7 kHz, 12.5 Ohm load, A weighted
400W:
Sensitivity at 70V:
11 dBV
+/-1 dBV
Sensitivity at 100V:
14 dBV
+/-1 dBV
Gain:
26 dB
+/-0.5 dB
Output noise:
-70 dBV
-65 dBV
A-weighted with a 20 kHz filter
Crosstalk at 1 kHz:
-90 dB
</= -80 dB
Set for 0 dB gain, no limiting, terminate the
unused input with a 50 Ohm resistor
Crosstalk at 10 kHz:
-70 dB
</= -60 dB
Turn on/off pop:
10 mV peak
</= 50 mVpk As monitored by a listener, must be inaudible at
full gain using a Model 32 loudspeaker tapped
at 32W, with the unit set for no EQ and the
loudspeaker 3 feet from listener
SPECIFICATIONS
Summary of Contents for FREESPACE 4400
Page 87: ...87 Circuit Board Layout Diagrams Figure 12 DSP PCB Top Etch Board Layout Diagram ...
Page 88: ...88 Circuit Board Layout Diagrams Figure 13 DSP PCB Bottom Etch Board Layout Diagram ...
Page 90: ...90 Circuit Board Layout Diagrams Figure 18 Amplifier Upper PCB Top Etch Board Layout Diagram ...
