Ib 3210 / Ib 3280 Audio Input Boards; Ob 3230 Audio Output Board; Io 3250 Digital Input/Output Boards - Mackie RCF RX 3000 Instructions D'emploi

IB 3210 / IB 3280 AUDIO INPUT BOARDS

Function
Number of inputs
Type of balancing
Frequency response
Distortion
Signal/noise ratio
Input sensitivity
Input impedance
Tone controls
Power supply / Absorption

OB 3230 AUDIO OUTPUT BOARD

Function
Number of outputs
Board matrix
Frequency response
Distortion
Output level
Output impedance
Power supply / Absorption

IO 3250 DIGITAL INPUT/OUTPUT BOARDS

Function
Number of inputs
Number of outputs
Control voltage of opto-insulated inputs
Nominal current of opto-insulated inputs
Maxi. voltage switchable by the output relays
Maxi. current switchable by the output relays
Power supply / Absorption
Audio input board
8 balanced inputs
Electronic - IB 3210
With transformer - IB 3280
10 – 30,000 Hz (±3 dB)
≤ 0.1% (30 Hz - 15 kHz)
≥ 85 dB
775 mV nominal – 77.5 mV minimum
47 kΩ
Bass: ± 12 dB - 100 Hz
Treble: ± 12 dB - 10 kHz
5 Vdc / 50 mA
13.5 Vdc / 140 mA
Audio output board
8 balanced/unbalanced outputs
32 inputs x 8 outputs
10 – 30,000 Hz (±3 dB)
≤ 0.1% (30 Hz - 15 kHz)
775 mV nominal unbal. – 1.55 V nominal bal. - >7.5 V maximum bal.
< 600 Ω
5 Vdc / 70 mA
13.5 Vdc / 100 mA
Board with programmable opto-insulated inputs and relay outputs
16 opto-insulated inputs
24 relay outputs
15 - 30 Vdc
10 mA at 24 Vdc
50 Vdc
0.5 A (max. 1 A per group)
5 Vdc / 70 mA
24 Vdc / 0.5 mA (24 active relays)
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