Справочник Пользователя для Qsc HPR152F
22
Specifications
Frequency response
20 Hz–20 kHz ±0.4 dB
at 1dB below full
scale input voltage (all sensitivities)
scale input voltage (all sensitivities)
Distortion
<0.007% THD+N @ 1dB below full scale output, all sensitivities, 20 Hz– 20 kHz
Group Delay
1.00 milliseconds
Dynamic range
>95dB unweighted, 1.5V, 4V and 9V input sensitivity
AES-17 -60dB method
>93dB unweighted, 18V input sensitivity
Polarity
In-phase or inverted
Mute
>95 dB attenuation
Indicators
Power: 1 blue LED
Channel 1 and Channel 2 signal presence: 2 green LED’s
Preset Display: 7 segment LED
Audio Converters
24 bit, 48 kHz.
Outputs
Program outputs
2
Connector
3-pin male XLR receptacle
Type
Electronically balanced
Grounding
All shield terminals connected to
chassis
chassis
Output level
Level and units are selectable
(full scale)
in software interface
Maximum Output
9.3 Vrms (+21.5 dBu)
Output Pad
-6dB
Output impedance
600 Ohms balanced
RS-232 Port
Note: Specifications are subject to change without notice.
Contact Closure Input (sense)
Inputs
1 discrete input, TTL compatible, pin #9 of RS-232 port
Configuration
Single-ended input, pull LOW (to GND, pin 5) for closure detect
Resistance for closure detect <150 Ohms
Resistance for open detect
Resistance for open detect
>1.9 K Ohms
Maximum Voltage
+9 VDC
Input/Output Termination: All XLR’s: pin 2- hot (+), pin 3- cold ( - ), pin 1- ground / All 1/4” TRS: tip- hot, ring- cold, sleeve-ground
Inputs
Program inputs
2
Connector
3-pin female XLR -TRS 1/4” combo jack
Type
Electronically balanced
Grounding
All shield terminals connect to chassis
Input sensitivity
Level and units are selectable
(full scale input level)
in software interface
Impedance
8.3 K Ohm balanced
3.7 K Ohm unbalanced
3.7 K Ohm unbalanced
Common-mode rejection
>54 dB, 20 Hz–20 kHz
Crosstalk
>80 dB separation, 20 Hz–20 kHz
Port Description
RS-232, female, straight through
Cable Type
supplied: 9-pin serial cable, male-to-female (serial extension cable)
Maximum Cable Length
25 feet (7.6 meters)