Leitch 880 Series, Инструкция по эксплуатации

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56 880 Series Audio Distribution Amplifiers Instruction Manual
Chapter 14: Specifications
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute.
ADA-885 Mono/Stereo Audio Distribution Amplifier
Module (Low Impedance – 66
Ω)
Input
Output
Performance
Table 14-23. ADA-885 (66
Ω
Impedance) Input Specifications
Item Specification
Impedance > 30 k
Ω
, balanced
Max. level + 24 dBu
Common mode range ± 20 volts
Common mode rejection > 90 dB @ 60 Hz
> 60 dB @ 20 kHz
Table 14-24. ADA-885 (66
Ω
Impedance) Output Specifications
Item Specification
Channels 2
Outputs per channel 4
Impedance 66
Ω
balanced
Max. level 24 dBu
Output to output isolation > 70 dB 20 Hz to 20 kHz
Table 14-25. ADA-885 (66
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 dBu signal, unweighted
Frequency response < ± 0.05 dB 20 Hz – 20 kHz, rel. to 1
kHz, any level up to + 24dBu
Total harmonic distortion < 0.05%, 20 Hz – 20 kHz @ + 24 dBu
Intermodulation distortion < 0.02% SMPTE @ +18 dBu
Isolation between modules >95 dB, 20 Hz – 20 kHz
Interchannel crosstalk > 95 dB, 20 Hz – 20 kHz
Temperature range 41° – 104° F (5°– 40° C)