MIDA100-1

MIDA100-1.jpg

DISTRIBUTION AMPLIFIER MODULES

Gain
24dB nominal, 54dB for CDA – Front Panel Gain Controls

Output Clipping Level
+22dBm Max, 600 ohms

Input Level
+24dBm Max, Bridging 600 ohms

Distortion @ 30Hz to 20kHz
0.25% Max THD @ +20dBm output 

Noise
-84dBm EIN

Input Impedance
10K ohm Minimum, Balanced

Metering (MDA/CDA/MIDA)
Ten segment LED Bargraph; Range –21 to +6 VU at 3dB/step, 0 VU adjustable 0 to +18dBm.

Metering (SMDA/MDA)
Ten segment LED Bargraph; Range –15 to +12 VU at 3dB/step, 0 VU adjustable +8dBm down to –10dBm

Connection (DA/MDA/CDA/MIDA)
External audio wiring is connected to barrier blocks with pre-wireable fanning strips (standard) or punch blocks on the module connector assembly.

Connection (SDA/SMDA/DA/MDA)
External audio wiring is connected to punch blocks on the applicable module connector assembly. 

Signal Alarm Threshold (MDA/CDA)
Detects on signal dropouts of 30dB below 0 VU, longer than ¼ Sec.

Signal Alarm Output (MDA/CDA)     
CMOS FET Switch to .025 posts with mating plug. May be paralleled to activate common alarm. 
 

MIC AMPLIFIER MODULES

Gain
74dB, 64dB and 24dB with front panel gain control at clockwise MAX*

Output Clipping Level
+24dBm Max, 600 ohms

Input Level
125mVrms Max

Distortion @ 30Hz to 20kHz
0.05% Max THD @ +22dBm output

Noise
-124dBm EIN

Input Impedance
4k ohm Minimum, Balanced

Phantom Power
Selectable by internal jumper plug position. Three positions: Off, 12VDC at 4mA internal power or external phantom power source of up to 48VDC.

Metering
Ten segment LED Bargraph; Range –15 to +12 VU at 3dB/step, 0 VU adjustable +8dBm down to –10dBm

VCA Option
Provides remote gain control; requires an external 10K ohm linear taper potentiometer

Connection
External audio wiring is connected to punch blocks on the applicable module connector assembly *Gain steps are selectable via internal jumper position
 

LINE AMPLIFIER MODULES

Gain
74dB, 64dB and 24dB with front panel gain control at clockwise MAX*

Output Clipping Level 
+24dBm Max, 600 ohms

Input Level
+24dBm Max, Bridging 600 ohms

Distortion @ 30Hz to 20kHz
0.05% Max THD @ +22dBm output

Noise
-94dBm EIN 70dB below nominal output

Input Impedance
10K ohm Minimum

Metering
Ten segment LED Bargraph; Range –15 to +12 VU at 3dB/step, 0 VU adjustable +8dBm down to –10dBm

VCA Option
Provides remote gain control; requires an external 10K ohm linear taper potentiometer

Connection
External audio wiring is connected to punch blocks on the applicable module connector assembly *Gain steps are selectable via internal jumper position
 

ALL MODULES

Nominal Output Level
+4dBm, Balanced 600 Ohms @ 0VU Meter Indication

Frequency Response
30Hz to 20,000Hz, ±0.25dB

Input Hum Rejection
60 dB Minimum (common mode 60-120Hz)

Crosstalk to Adjacent Modules
70dB below nominal output @ 10kHz

Headphone Output
10Vrms to 600 ohm headphones

Power Requirements
PS100 Power Module: A bi-polar unregulated 18VDC supply drives the system power buss through fused isolation diodes. Operates singly or as a redundant pair in the right hand positions of each rack frame.

Size
Rack Frame: 5-1/4”H x 19”W x 14-1/2”D; 3.30 lbs. Amp Modules: Eurocard format, 100mm X 220mm. 1.2”(3.0cm) panel width Power Supply Module: Eurocard format, extruded frame, 2.0”(5.1cm) panel width

Warranty
Limited, One Year Warranty