Appendix
Technical Specifications
15
Section 4 - Technical Specifications
640/641
Analog Inputs:
Number of Inputs: (6 Total) (2) Switchable line or mic inputs (4) RCA Source
Connectors: Euroblock(Line and Mic) RCA (Source)
Type: Electronically balanced/RF filtered
Impedance: > 50 kΩ Balanced, >75 kΩ Unbalanced
Max input line level: +20 dBu Mic/Line, +12 dBu RCA
CMRR: > 40 dB, typically >55 dB @ 1 kHz
Mic Pre gain: 30 to 60 dB
Mic EIN: < 118 dB, 22 Hz-22 kHz, 150 Ω
Mic Phantom Power: 15 V
Analog Outputs:
Number of Outputs: (4)
Connectors: Euroblock
Type: Electronically balanced, RF filtered
Impedance: 120 Ω balanced, 60 Ω unbalanced
Max Output Level: +20dBu
A/D Performance:
Type: dbx Type IV™ conversion system
Dynamic Range line: >113 dB A-weighted, >110 dB unweighted
Type IV dynamic range: >119 dB, A-weighted, 22kHz BW
>117 dB, unweighted, 22kHz BW
Sample Rate: 48 kHz
D/A Performance:
Dynamic Range: 112 dB A-weighted, 109dB unweighted
System Performance:
Dynamic Range: >109 dB A-weighted, >106 dB unweighted,
THD+N: 0.003% typical at +4 dBu, 1 kHz, 0 dB gain
Frequency Response: 20 Hz – 20 kHz, +/- 0.5 dB
Interchannel Crosstalk: >80 dB typical
Crosstalk input to output: >80 dB
Propagation Delay: 0.6 msec
Operating voltage: 100 VAC, 50/60Hz, 120 VAC, 60 Hz, 230 VAC 50/60 Hz
Power Requirements: 29 Watts
Physical:
Weight: 6.8 lbs.(3.1 kg) Shipping weight 8.8 lbs. (4.0 kg)
Dimensions: 1.75” H x 7.75” D x 19” W
ZonePro
TM
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