RTS 4001, 4030, 4002, 4003, 4010 Data Sheet
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4001, 4002, 4003, 4010, 4030, IFB-325
IFB System
Features
This IFB System is a one-way Interruptible Feedback communications system (a program interrupt system) created especially to
meet critical requirements of the television broadcast industry, as well as other live or recorded media applications. The system
is composed of user stations, central electronics and control panels. A modular approach assures the optimum conguration for
each installation. Should system expansion be desired, additional components may be added as necessary. A typical system
may consist of the following: up to four control panels, one central electronics unit, four user stations and assorted cabling and
interconnect units. The maximum standard conguration allows four control panels, three central electronics, and twelve user
stations.
Line Drawing
4001 4002 4003
4010 4030 IFB-325
IFB System Specications
Contact Information
Telex Communications, Inc.
12000 Portland Avenue South
Burnsville, Minnesota 55337
Telephone: (800) 392-0498
Fax: (800) 323-0498
Form Number: 20071-3
Date: March, 2006
4001, 4003, 4003
Frequency Response 50Hz to 16kHz
+0, -3 dB
Signal-To-Noise Ratio
58 dB
Total Harmonic Distortion
0.2%
Nominal Input Level
Microphone
123mV p-p
Line
-15 dBu to -5 dBu
Input Impedance Unbalanced Input
Microphone
470 Ω
Line
4.7k Ω
Gain
54 dB to 14 dB
Nominal Output Level
-10 dBu, balanced, Z=300 Ω
Power Requirements:
4001: 14 VAC, 200 mA
4002: 14 VAC, 450 mA
4003: 14 VAC, 1 A
Dimensions:
4001: 1.72” (43.7 mm) high, 8.5” (215.9 mm) wide, 3.4” (86.4 mm)
deep
4002: 1.72” (43.7 mm) high, 12.25” (312 mm) wide, 3.4” (86.4 mm)
deep
4003: 1.72” (43.7 mm) high, 19.0” (483 mm) wide, 3.4” (86.4 mm)
deep
Weight:
4001: 2.1 lb. (0.953 kg)
4002: 2.3 lb. (1.043 kg)
4003: 2.4 lb. (1.089 kg)
4010
Frequency Response 30 Hz to 16 kHz
+1, -2 dB
Noise
Interrupt channel
-73 dBu
Non-interrupt channel
-83 dBu
Total Harmonic Distortion
0.5%
Nominal Input Level
Microphone @ line level
-10 dBu/input Z=2k Ω
Program
0 dBu/input Z=2k Ω
Nominal Output Level
To User Stations
-8 dBu/unbalanced, Z=10 Ω
To SA amplier
-5 dBu/balanced, Z=800 Ω
Crosstalk
From other program inputs
-67 dBu
Between left & right channels
-64 dBu
Mains Power Consumption 120 VAC, (240 VAC version available),
50/60 Hz
45 volt-amps
Dimensions
1.72” (43.7mm) high, 19” (483mm) wide, 15.6” (395mm) deep
Weight
10.4 lbs. (4.7kg)
IFB-325
Supplied Power Requirements:
32 VDC nominal (standard RTS line). 50 to 80 mA
Dimensions:
5” (127 mm) high, 3.5” (88.9 mm) wide, 1.8” (45.7mm) deep
Weight:
1.0 pounds (0.45 kg)
Environmental Requirements:
Storage: -WC to 80T 0% to 95
Humidity: non-condensing
Operating: PC to 50T 0% to 95%
Humidity: non-condensing
Earset:
150 to 600½ headphones
RTS Intercom Channel:
Input Level: 2 Vpp (0 dBu) nominal
Input Impedance: 200½ ±5%
Noise Contribution:
Less than -60 dB on the line
Voltage Gain:
27 ±3 dB from the line
Maximum Output:
165 mW into 150½
Frequency Response
250 Hz to 8kHz +1/-4dB
Headset Connector
Type: ¼” Monaural Plug
Sleeve: Headset audio low
Tip: Headset audio high
Intercom Channel Connectors
Type: XLR-3F
Pin 1: Common
Pin 2: Intercom channel 1 (audio and +32 VDC input)
Pin 3: Intercom channel 2 (audio)
4030
Power Consumption
150mA maximum
Dimensions:
5” (127 mm) high, 3.5” (88.9 mm) wide, 1.8” (45.7 mm) deep
Weight:
0.67 lb (303 g)
Earset Connector
¼” (6.3mm)
Ordering Information
4001 • IFB 4 position control station for 4 IFB, 1SA •
Catalog Number: 9000235900
4001 RMA • Rackmount adapter for 4001 • Catalog
Number: 90002610002
4002 • IFB 8 position control station for 8 IFB, 2SA •
Catalog Number: 9000236100
4002 RMA • Rackmount adapter for 4002 • Catalog
Number: 900026100001
4003 • IFB 12 position control station for 12 IFB, 3SA •
Catalog Number: 9000236300
4010 • Central IFB electronics station • Catalog
Number: 9000236500
4030 • Portable two channel IFB user station •
Catalog Number: 90007489000
IFB-325 • Portable single channel IFB beltpack with
¼” jack • Catalog Number: 90007488000
This specications information is preliminary and is subject to change without notication.
Brand names mentioned are the property of their respective companies.
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