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MirrorPan™ Constant-Power Pan Circuit
Number of pan controls
Pan Law
Deviation from Constant Power
Channel Separation when Fully Panned
Balance at Center Detent
THD+N
HPA2™ Headphone Amplifier
Number of Outputs
Connector
Output Impedance
Maximum Output Level at 0.001% THD+N
Maximum Output Current
Drive capability at rated THD+N
Overload Protection (independent per channel)
Bandwidth
THD+N
PRE420 Instruction Manual – rev. E
4
3-dB (constant power to stereo out)
+/- 0.25 dB
> 71 dB
+/- 0.25 dB
Better than -112 dB, 0.00024%
1
¼" TRS with switch contacts
< 0.11 Ohms, 10 Hz to 200 kHz
+23.5 dBu into 600 Ohms (0.24 W)
+19.5 dBu into 30 Ohms (1.78 W)
250 mA
30 Ohms
Current limited at 300 mA
Thermal Shutdown
> 500 kHz
-0.014 dB at 10 Hz
-0.013 dB at 200 kHz
-106 dB, 0.0005% into 30 Ohms at
+18dBu (1.26 W)
Page 28
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