Clear-Com MS-222 - MS-222 Technical Specifications; HEADSET MICROPHONE PRE-AMP; PANEL MICROPHONE PRE-AMP; HEADPHONE;SPEAKER AMPLIFIER

DESCRIPTION
/
Clear-Corn
MS-222
2-Channel
Main
Station
1.2
TECHNICAL
SPECIFICATIONS:
HEADSET
MICROPHONE
PRE-AMP:
--
Dynamic
Headset
Input:
------------------------
Input
Impedance
-
1
KOhms
--
Input
Level
------
…--
--------
55
dBv*
nominal
-- Frequency
Response:
--------------------------
250
Hz
to
12
KHz,
contoured
for
intelligibility.
-- Gain
from
Headset
to
Intercom
Line:
--------
+41
dB
PANEL
MICROPHONE
PRE-AMP:
-- Input
Level
------------------------------------
45
dBv*
nominal
-- Frequency
Response:
-------------------------
250
Hz
to
12
KHz,
contoured
for
intelligibility.
-- Gain
from
Headset
to
Intercom
Line:
--------
+31
dB
HEADPHONE/SPEAKER
AMPLIFIER:
--
Load
Impedance:
--------------------------------
8 Ohms
-- Output
Level:
---------------------------------------
at least
+20
dBv*
across
600
ohm
-- Distortion:
-------------
---
<0.2%
THD
at
KHz
-- Frequency
Response:
-------------------------
200-18KHz
+/-2dB
--
Gain
from
Intercom
Line:
-
----
+------ 37
dB
PROGRAM
INPUT:
-- Input
Level
Ref.:
----------------------------------
-65
dBv*
(mic)
-15
dBv*
(line)
-- Input
Impedance:
---------------------------
> 1
KOhms
(mic)
>100
KOhms
(line)
-- Frequency
Response:
--------------------------
150
Hzto
18
KHz
INTERCOM
LINE
DRIVE/RECEIVE
CIRCUITS:
--
Impedance,
Output
Load:
----------------------
> 10
KOhms
(200Hz
- 1 0
KHz)
-- Level,
Line
(200
ohm
load):
---------------------
-9 dBv
t
(nominal)
+5dBv
(max
before
clip)
-- Sidetone
Null
Capability:
----------
> 25
dB
(200Hz
- 1
0 KHz)
--
Crosstalk,
Station
Induced
Ch.
to
Ch.:
-------
>60
dB
-- Noise,
SN
Ratio
in
Listen
Channels:
----------
>60
dB
INTERCOM
SYSTEM
SPECIFICATIONS
(STANDARD
CLEAR-COM):
Usable
Line
Quality:
---------------------------------
>
100
Stations
Total
Line
Length
on
One
Channel
-------------
, 5000
feet
POWER
SUPPLY:
-- Output
Voltage:
---------------------------------
+30
Volts
-- Output
Ripple:
-
--
-------
<
1 mili
volt
AC
RMS
--
Output
Noise:
--------------------------------------
< -70
dBv
AC
RMS
-- Current
limit:
-----------------------------
1.0
A
CONNECTORS:
-- Intercom:
--
------------------------------
6 XLR-3
(3-CH
A,
3-CH
B)
--
Program:
----------------------------------------
XLR-3F
-- SA:
---------------------------------------------------
XLR-3M
AC
POWER
REQUIREMENTS:
---------------
105-125/210-250
VAC,
50
to
60
Hz,
60
VA
PHYSICAL
SPECIFICATIONS:
--
Dimensions:
-----------------------
19"W
x 3.5"H
x 1
0.0D
(483mm
x
89mm
x 254mm)
-- Weight:
------------------------------
7.4
Ibs
(3.4
Kg)
--
Operating
Temperature
Range:
- 32-1
22
F
(0-50
C)
*
- OdBv
=
0.775
volts
RMS.
(Specifications
subject
to
change
without
notice.)
11/90
Rev.
1.0
Page
8