880 Series Audio Distribution Amplifiers Instruction Manual
61
Chapter 14: Specifications
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute.
APD-880 Programmable Audio Distribution
Amplifier Module (600
Ω
Impedance)
Input
Output
Performance
Table 14-38.
APD-880 (600
Ω
Impedance) Input Specifications
Item
Specification
Impedance
> 30 k
Ω
, balanced
Max. level
+30 dBm
Common mode range
± 20 volts
Common mode rejection
> 90 dB @ 60 Hz
> 60 dB @ 20 kHz
Table 14-39.
APD-880 (600
Ω
Impedance) Output Specifications
Item
Specification
Channels
2
Outputs per channel
4
Impedance
600
Ω
balanced
Max. level
+24 dBm
Output to output isolation
> 70 dB 20 Hz to 20 kHz
Table 14-40.
APD-880 (600
Ω
Impedance) Performance Specifications
Item
Specification
Gain range
– 6 to +33 dB
( ± 6 dB on 18-turn pot,0, +9, +18, +27
dB on jumper)
S/N ratio
> 100 dB @ unity gain 20 Hz – 20 kHz,
relative to +8 dBm signal, unweighted
Frequency response
< ± 0.05 dB 20 Hz – 20 kHz, rel. to 1
kHz, any level up to +24 dBm
Total harmonic distortion
< 0.05%, 20 Hz – 20 kHz @ +24 dBm
Intermodulation distortion
< 0.02% SMPTE @ +18 dBm
Isolation between modules
> 100 dB, 20 Hz – 20 kHz
Interchannel crosstalk
> 95 dB, 20 Hz – 20 kHz
Temperature range
41° – 104° F (5°– 40° C)
Содержание 880 Series
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